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Marin-Tun CG, Torres-Acosta JFDJ, Capetillo-Leal CM, Sandoval-Castro CA, Hoste H, Borges-Argáez R, Mancilla-Montelongo MG. The in vitro rumen exsheathment test for studying the effect of plant extracts on the exsheathment of Haemonchus contortus infective larvae. Vet Parasitol 2024; 328:110184. [PMID: 38643645 DOI: 10.1016/j.vetpar.2024.110184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/09/2024] [Accepted: 04/09/2024] [Indexed: 04/23/2024]
Abstract
This study applied the in vitro rumen exsheathment test (IVRET) to evaluate the exsheathment kinetics of Haemonchus contortus infective larvae (L3) incubated in ruminal liquor (RL) containing acetone:water extracts of Acacia pennatula (AP), Gymnopodium floribundum (GF), Havardia albicans (HA) or Lysiloma latisiliquum (LL). The role of polyphenols in the biological activity of the evaluated extracts was also determined. Larvae were incubated in RL either alone or added with a different plant extract (AP, GF, HA, or LL) at 1200 μg/mL. Polyethylene glycol (PEG) was added to block polyphenols in each treatment (RL+PEG, AP+PEG, GF+PEG, HA+PEG, and LL+PEG). After incubation times of 0, 1, 3, 6, 9, and 24 h, the exsheathment process was stopped to count the number of ensheathed and exsheathed L3. A Log-Logistic model was used to determine the L3 exsheathment kinetics in the different RL treatments. The inflection point of the respective kinetic curves, which indicates the time to reach 50 % exsheathed L3 (T50), was the only parameter that differed when comparing the exsheathment models (99 % probability of difference). The T50 values obtained for GF, HA, and LL treatments (T50 = 7.11 - 7.58 h) were higher in comparison to the T50 of RL (5.72 h) (≥ 70 % probability of difference). The L3 incubated in RL added with GF, HA, and LL extracts delayed their exsheathment at 3 and 6 h of incubation (28.71 - 48.06 % exsheathment reduction) compared to the RL treatment. The T50 value for AP, AP+PEG, GF+PEG, HA+PEG, and LL+PEG were similar to RL and RL+PEG (T50 = 5.34 - 6.97 h). In conclusion, the IVRET can be used to identify plants with the potential to delay the exsheathment of H. contortus L3 in the ruminal liquor. The acetone:water extracts of G. floribundum, H. albicans, and L. latisiliquum delayed the T50 of H. contortus exsheathment, which was evident at 3 and 6 h of incubation in ruminal liquor. The observed exsheathment delay was attributed to the polyphenol content of the extracts.
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Affiliation(s)
- Cindy Goretti Marin-Tun
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, Yucatán, Mérida C.P. 97315, Mexico
| | - Juan Felipe de Jesús Torres-Acosta
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, Yucatán, Mérida C.P. 97315, Mexico
| | - Concepción Manuela Capetillo-Leal
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, Yucatán, Mérida C.P. 97315, Mexico
| | - Carlos Alfredo Sandoval-Castro
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, Yucatán, Mérida C.P. 97315, Mexico
| | - Hervé Hoste
- INRAE UMR 1225 Interactions Hôte Agents Pathogènes, 23 Chemin des Capelles, Toulouse F31076, France
| | - Rocío Borges-Argáez
- Centro de Investigación Científica de Yucatán, Calle 43 No. 130 Colonia Chuburná de Hidalgo, Yucatán, Mérida C.P. 97200, Mexico
| | - María Gabriela Mancilla-Montelongo
- CONAHCYT - Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, Yucatán, Mérida C.P. 97315, Mexico.
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Marin-Tun CG, Mancilla-Montelongo MG, Capetillo-Leal CM, Sandoval-Castro CA, Hoste H, Borges-Argáez R, Torres-Acosta JFDJ. Adapting the in vitro rumen incubation method to evaluate the effect of a plant extract on the exsheathment inhibition of Haemonchus contortus infective larvae. Vet Parasitol 2024; 327:110135. [PMID: 38308932 DOI: 10.1016/j.vetpar.2024.110135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/15/2024] [Accepted: 01/18/2024] [Indexed: 02/05/2024]
Abstract
This study adapted the in vitro rumen incubation (IVRI) method to evaluate the biological activity of a Gymnopodium floribundum leaves extract against the exsheathment of Haemonchus contortus infective larvae (L3), and to determine the role of plant polyphenols on the biological activity. The incubation protocol followed the IVRI method, adding polyethylene glycol (PEG) as a polyphenol-blocking agent. The L3 were incubated in ruminal liquor (RL), ruminal liquor with PEG (RL+PEG), ruminal liquor with G. floribundum extract (RLE), and ruminal liquor with G. floribundum extract and PEG (RLE+PEG). Incubation condition controls included phosphate buffered saline (PBS), PBS with PEG (PBS+PEG), incubation medium (without ruminal liquor) (IM), and incubation medium with PEG (IM+PEG). The L3 were recovered after incubation times of 0, 1, 3, 6, 9, and 24 h (39 °C). The respective L3 exsheathment kinetics were estimated for the different treatments (RL, RL+PEG, RLE, and RLE+PEG) using Log-Logistic models. The parameters of the different models were compared to determine the impact of the extract, with or without PEG, on the L3 exsheathment kinetics. The exsheathment in PBS and PBS+PEG remained < 2.71% at each incubation time. The exsheathment in IM and IM+PEG reached 13.58% and 17.18% at 24 h, respectively. The exsheathment percentages for RLE were lower than those for RL at 3, 6 and 9 h of incubation. The inflection point, indicating the time required to reach 50% of the maximal exsheathment (T50), was the only parameter that differed between the ruminal liquor models. The T50 in RLE (7.106 h) was higher than the values obtained for RL (5.385 h) and RL+PEG (4.923 h) (99.99% probability of being different). Such delay resulted in a reduction of exsheathment in RLE of 62% at 3 h, 38% at 6 h, and 12% at 9 h, relative to RL values. When PEG was added with the extract (RLE+PEG), the T50 (5.045 h) was similar to that of RL and RL+PEG. The IVRI method was adapted as an in vitro rumen exsheathment test (IVRET). The IVRET showed that H. contortus L3 exposed to G. floribundum extract delayed their exsheathment kinetics at different time points. The exsheathment delay was attributed to the polyphenol content of the extract.
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Affiliation(s)
- Cindy Goretti Marin-Tun
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, C.P. 97315 Mérida, Yucatán, Mexico
| | - María Gabriela Mancilla-Montelongo
- CONAHCYT - Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, C.P. 97315 Mérida, Yucatán, Mexico
| | - Concepción Manuela Capetillo-Leal
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, C.P. 97315 Mérida, Yucatán, Mexico
| | - Carlos Alfredo Sandoval-Castro
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, C.P. 97315 Mérida, Yucatán, Mexico
| | - Hervé Hoste
- INRAE UMR 1225 Interactions Hôte Agents Pathogènes, 23 Chemin des Capelles, F31076 Toulouse, France
| | - Rocío Borges-Argáez
- Centro de Investigación Científica de Yucatán, Calle 43 No. 130 Colonia Chuburná de Hidalgo, C.P. 97200 Mérida, Yucatán, Mexico
| | - Juan Felipe de Jesús Torres-Acosta
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, C.P. 97315 Mérida, Yucatán, Mexico.
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Meza Ocampos G, Torres Ñumbay M, Haddad M, Messi Ambassa LM, Alvarenga N, Hoste H. Two in vitro anthelmintic assays of four Paraguayan medicinal plants for proof of concept of the role of polyphenols in their biological activities and LC-HRMS analysis. J Ethnopharmacol 2023; 312:116453. [PMID: 37019160 DOI: 10.1016/j.jep.2023.116453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/22/2023] [Accepted: 04/01/2023] [Indexed: 05/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Gastrointestinal nematodes (GIN) control in small ruminants has relied on the systematic use of synthetic anthelmintics (AH), their effectiveness has been progressively decreasing due to the rise and diffusion of anthelmintic resistances. The most prevalent genera affecting small ruminants were Haemonchus spp., and Trichostrongylus spp. The investigation of new anthelmintics in plants is a highly studied option, especially when it is linked to ethnobotanical knowledge and phenolic compounds. THE AIMS OF OUR STUDY Four medicinal plants mentioned in traditional medicine were selected to evaluate their anthelmintic proprieties at different stages of the life cycle of GIN, namely: Kyllinga odorata Valh., Cassia occidentalis L., Artemisia absinthium L, and Verbena litoralis Kunth and to explore the role of polyphenols in the AH activity. MATERIALS AND METHODS To evaluate the anthelmintic activity in this study, two models of GIN species, namely Haemonchus contortus (Hc) and Trichostrongylus colubriformis (Tc) were selected and tested on two in vitro assays: 1) Larval Exsheathment Inhibition Assay (LEIA) and, 2) Egg Hatch Assay (EHA). To explore the role of tannins and polyphenols in AH activity by comparing the effects of LEIA and EHA with or without polyvinylpolypyrrolidone (PVPP) and to characterize the phytochemical composition of the most active plants using ultra-high performance liquid chromatography (UHPLC) coupled with high-resolution mass spectrometry (HRMS). RESULTS C. occidentalis exhibited the highest activity on LEIA (EC50 = 250.42-41.80 μg/mL) and A. absinthium on egg hatching processes (EC50 = 121.70-137.34 μg/mL) in both species of GIN. The inhibition in the development of eggs was from 67.70% to 96.36% on H. contortus, and from 78.87% to 99.65% on T. colubriformis. At the maximal dose, Additionally, it was observed that the AH on eggs varies according to the GIN species: on H. contortus the extracts tested blocked the formation of larvae Ovicidal Effect (% higher OE) and on T. colubriformis they blocked the appearance of L1 larvae, Larvae Failing Eclosion (% higher LFE). After PVPP, a reduction in AH activity on LEIA and EHA was noted, especially with C. occidentalis (87.20-67.00% of larvae exsheathment, (p < 0.05) and 40.51-24.96% of egg hatching, (p > 0.05) of both parasite species. Nine putative features were identified using HRMS and MS/MS after addition of PVPP. CONCLUSIONS The present study demonstrated that C. occidentalis, A. absinthium, and K. odorata, which parts have been traditionally used as medicinal plants are a valuable source of active compounds with anthelmintic activity. The medicinal use of these plants against GIN parasites was proven by in vitro analysis. Therefore exploration of the secondary metabolites of these plant extracts and testing of isolated fractions of active compounds under in vivo experiments are planned and represent a specific challenge for alternative drug research. Regarding the PVPP, in this study we hypotheses about the standard doses it was not able to completely absorb the polyphenols of extracts of K. odorata, C. occidentalis, and A. absinthium, which would lead to more studies to evaluate the role of this product in the absorption of phenolic compounds.
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Affiliation(s)
- Griselda Meza Ocampos
- Mixed Unit of Research, Host Pathogens Interactions 1225, National Institute for Agriculture, Food and Environment, National Veterinary School of Toulouse (UMR IHAP 1225 INRAE, ENVT), 23 Chemin des Capelles, PO BOX 31076, Toulouse, France; National University of Asuncion (UNA) Campus Universitario Km 9,5, PO BOX 1061, San Lorenzo, Paraguay.
| | - Miguel Torres Ñumbay
- National University of Asuncion (UNA) Campus Universitario Km 9,5, PO BOX 1061, San Lorenzo, Paraguay.
| | - Mohamed Haddad
- UMR152 PHARMADEV, IRD, UPS, Université de Toulouse, Toulouse, France.
| | - Lin Marcellin Messi Ambassa
- UMR152 PHARMADEV, IRD, UPS, Université de Toulouse, Toulouse, France; Laboratory of Pharmacochemistry of Natural Substances, Department of Organic Chemistry, Faculty of Sciences, University of Yaoundé, Yaoundé, Cameroon.
| | - Nelson Alvarenga
- Department of Phytochemistry. Faculty of Chemical Sciences, National University of Asuncion (FCQ, UNA), Campus Universitario Km 9,5, PO BOX 1055, San Lorenzo, Paraguay.
| | - Hervé Hoste
- Mixed Unit of Research, Host Pathogens Interactions 1225, National Institute for Agriculture, Food and Environment, National Veterinary School of Toulouse (UMR IHAP 1225 INRAE, ENVT), 23 Chemin des Capelles, PO BOX 31076, Toulouse, France.
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Gayrard C, Bretaudeau A, Gombault P, Hoste H, Gidenne TN. Use of dehydrated sainfoin in rabbit feeding. Effects of a moderate dietary incorporation on performance and health of does and growing rabbits under an optimal farming environment. World Rabbit Sci 2023. [DOI: 10.4995/wrs.2023.17734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
The effects of a moderate incorporation of dehydrated sainfoin Perly cultivar (DS) in rabbit feeds on the performance and health of reproductive and growing rabbits were analysed over two consecutive reproductive cycles in a professional breeding environment. Two groups of 192 does and associated litters were fed isonutritive feeds containing either 0 or 13% dehydrated sainfoin (respectively C (control) vs. S (“sainfoin”) groups) in replacement mainly of dehydrated alfalfa. Growing rabbit feeds C and S included 0 and 15.6% safoin, respectively. Doe live weight, number of live rabbits at birth and stillborn rate were not affected by dietary DS incorporation. In cycle 1, fertility rate was 10% higher for the S-group, but was similar among the groups in the 2nd cycle (significant interaction). Incorporation of DS had no impact on kit growth before weaning, but improved the post-weaning growth rate by 6% (P<0.001) and the feed conversion ratio by 7%. Dietary DS incorporation had no effect on doe mortality, which was very low (<2%, P=0.07). Doe culling was half lower with sainfoin incorporation in cycle 1 (25% in group C vs. 12% in group S; P<0.05). In cycle 2, doe culling rate was low (3.2%) and similar among diets (significant interaction between diet and cycle effects). Pre-weaning mortality of kits was low and slightly higher for S-group (1.1 vs. 1.5%). Post-weaning mortality was also low and was reduced with sainfoin dietary incorporation (3.0 vs. 1.8%; P<0.001). A moderate incorporation of dehydrated sainfoin can be recommended for growing rabbits and for reproducing does feeds.
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Charlier J, Hoste H, Sotiraki S. COMBAR - Combatting anthelmintic resistance in ruminants. Parasite 2023; 30:E1. [PMID: 36762940 PMCID: PMC9912929 DOI: 10.1051/parasite/2023006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 01/15/2023] [Indexed: 02/11/2023] Open
Affiliation(s)
- Johannes Charlier
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Kreavet Hendrik Mertensstraat 17 9150 Kruibeke Belgium
,Corresponding author:
| | - Hervé Hoste
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Université de Toulouse, UMR 1225 IHAP INRAE/ENVT 31076 Toulouse France
| | - Smaro Sotiraki
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Veterinary Research Institute, HAO DIMITRA Campus Thermi 57001 Thessaloniki Greece
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Gayrard C, Gombault P, Bretaudeau A, Hoste H, Gidenne T. Corrigendum to “Nutritive value of dehydrated sainfoin (Onobrychis viciifolia) for growing rabbits, according to the harvesting stage” [Anim. Feed Sci. Technol. 279 (2021) 114995]. Anim Feed Sci Technol 2022. [DOI: 10.1016/j.anifeedsci.2022.115439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Gayrard C, Bretaudeau A, Gombault P, Hoste H, Gidenne T. Feed incorporation of dehydrated sainfoin: effects on health and performances of does and growing rabbits. World Rabbit Sci 2022. [DOI: 10.4995/wrs.2022.16874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
The performance and health of does and growing rabbits were compared over three consecutive reproductive cycles for three groups of 20 nulliparous does and their litters (DS0, DS13, DS26) fed isonutritive feeds containing 0, 13 or 26% dehydrated sainfoin (DS, Perly cultivar). Feed intake, live weight and fertility of does were not affected by DS feed incorporation. The number of live kits at birth increased linearly with increasing DS incorporation (+1.5 from DS0 to DS26, P=0.042) and the stillborn rate tended to linearly decrease in groups fed DS (16.6 vs. 10.4%, P=0.086). Increasing the level of DS in feeds had no impact on the growth of the kits before weaning, but led to a linear reduction in the post-weaning growth rate (P<0.01, –2 for 26% DS), whereas the feed conversion ratio increased linearly with DS incorporation (P<0.01, 2.91 vs. 2.98, resp. for DS0 and DS26). No effect of DS feed incorporation was detectable on doe and kit mortality rates. Excretion of coccidia by both does and growing rabbits was not affected by DS incorporation. For 70 d old rabbits, the levels of immunoglobulins A and G and of white blood cells were not significantly different between groups and high levels of IgG (average: 8.1 mg/mL) were recorded, suggesting a coccidia infestation. Overall doe mortality remained under 5% and was not affected by the reproductive cycle (P=0.24). The stillborn rate decreased from 18 to 6%, (P<0.01) from cycle 1 to 2, and the number of live rabbits at birth increased from 8.0 to 10.7 (P<0.01). Kit mortality remained low before weaning (under 2.5%), and very low after weaning (<1%). Excretion of coccidia by does decreased from cycle 1 to cycle 3, whereas excretions by growing rabbits remained stable.
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Oliveira M, Lima CS, Llorent-Martínez EJ, Hoste H, Custódio L. Impact of Seasonal and Organ-Related Fluctuations on the Anthelmintic Properties and Chemical Profile of Cladium mariscus (L.) Pohl Extracts. Front Plant Sci 2022; 13:934644. [PMID: 35812938 PMCID: PMC9260656 DOI: 10.3389/fpls.2022.934644] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 06/06/2022] [Indexed: 06/15/2023]
Abstract
The use of plants and their metabolites stands as a promising option to tackle parasitic infections by gastrointestinal nematodes (GIN) in integrated control strategies. Still, the influence of environmental and phenological factors, and their interactions, in the wild on the metabolomics and biological properties of target plant species, is often disregarded. In this work, we hypothesized that variations in the anthelmintic (AH) properties and chemical composition of extracts from the salt tolerant species Cladium mariscus L. Pohl (sawgrass) may be influenced by seasonal factors and organ-parts. To test this hypothesis, acetone/water extracts were prepared from dried biomass obtained from aerial organs collected from sawgrass in consecutive seasons and tested against Haemonchus contortus and Trichostrongylus colubriformis by the larval exsheathment inhibition assay (LEIA) and egg hatching inhibition assay (EHIA). To ascertain the role of plant organ, the activity of leaves and inflorescences extracts from summer samples was compared. The role of polyphenols in the anthelmintic activity depending on GINs and fluctuations across seasons and plant organs was assessed using polyvinylpolypyrrolidone (PVPP), coupled with an in-depth chemical profiling analysis using high-performance liquid chromatography completed with electrospray ionization mass spectrometric detection (HPLC-ESI-MSn). Main differences in anthelmintic activities were observed for summer and autumn samples, for both assays. Moreover, inflorescences' extracts were significantly more active than those from leaves against both parasite species on EHIA and against H. contortus on LEIA. Application of PVPP totally inhibit the AH effects based on EHIA and only partly for LEIA. Non-treated PVPP extracts were predominantly composed of flavan-3-ols, proanthocyanidins, luteolin and glycosylated flavonoids, while two flavonoid glycosides were quantified in all PVPP-treated samples. Thus, the activity of such compounds should be further explored, although some unknown metabolites remain to be identified. This study reinforces the hypothesis of the AH potential of sawgrass and of its polyphenolic metabolites uses as nutraceutical and/or phytotherapeutic drugs.
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Affiliation(s)
- Marta Oliveira
- Centre of Marine Sciences, University of Algarve, Faro, Portugal
| | - Caroline Sprengel Lima
- Laboratory of Antibiotics and Chemotherapeutics, Instituto de Biociências, Letras e Ciências Exatas (IBILCE), São Paulo State University, São José do Rio Preto, Brazil
| | - Eulogio J. Llorent-Martínez
- Department of Physical and Analytical Chemistry, Faculty of Experimental Sciences, University of Jaén, Jaén, Spain
| | - Hervé Hoste
- IHAP, Université de Toulouse, INRAE, ENVT, Toulouse, France
- Université de Toulouse, ENVT, Toulouse, France
| | - Luísa Custódio
- Centre of Marine Sciences, University of Algarve, Faro, Portugal
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Charlier J, Bartley DJ, Sotiraki S, Martinez-Valladares M, Claerebout E, von Samson-Himmelstjerna G, Thamsborg SM, Hoste H, Morgan ER, Rinaldi L. Anthelmintic resistance in ruminants: challenges and solutions. Adv Parasitol 2022; 115:171-227. [PMID: 35249662 DOI: 10.1016/bs.apar.2021.12.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Anthelmintic resistance (AR) is a growing concern for effective parasite control in farmed ruminants globally. Combatting AR will require intensified and integrated research efforts in the development of innovative diagnostic tests to detect helminth infections and AR, sustainable anthelmintic treatment strategies and the development of complementary control approaches such as vaccination and plant-based control. It will also require a better understanding of socio-economic drivers of anthelmintic treatment decisions, in order to support a behavioural shift and develop targeted communication strategies that promote the uptake of evidence-based sustainable solutions. Here, we review the state-of-the-art in these different fields of research activity related to AR in helminths of livestock ruminants in Europe and beyond. We conclude that in the advent of new challenges and solutions emerging from continuing spread of AR and intensified research efforts, respectively, there is a strong need for transnational multi-actor initiatives. These should involve all key stakeholders to develop indicators of infection and sustainable control, set targets and promote good practices to achieve them.
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Affiliation(s)
| | - D J Bartley
- Disease Control, Moredun Research Institute, Penicuik, United Kingdom
| | - S Sotiraki
- Veterinary Research Institute, Hellenic Agricultural Organisation ELGO-DIMITRA, Thessaloniki, Greece
| | - M Martinez-Valladares
- Instituto de Ganadería de Montaña (CSIC-Universidad de León), Departamento de Sanidad Animal, León, Spain
| | - E Claerebout
- Ghent University, Faculty of Veterinary Medicine, Laboratory of Parasitology, Merelbeke, Belgium
| | - G von Samson-Himmelstjerna
- Institute for Parasitology and Tropical Veterinary Medicine, Veterinary Centre for Resistance Research, Freie Universität Berlin, Berlin, Germany
| | - S M Thamsborg
- Veterinary Parasitology, University of Copenhagen, Frederiksberg C, Denmark
| | - H Hoste
- INRAE, UMR 1225 IHAP INRAE/ENVT, Toulouse University, Toulouse, France
| | - E R Morgan
- Institute for Global Food Security, Queen's University Belfast, Belfast, United Kingdom
| | - L Rinaldi
- University of Naples Federico II, Unit of Parasitology and Parasitic Diseases, Department of Veterinary Medicine and Animal Production, CREMOPAR, Napoli, Italy.
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Hoste H, Meza-OCampos G, Marchand S, Sotiraki S, Sarasti K, Blomstrand BM, Williams AR, Thamsborg SM, Athanasiadou S, Enemark HL, Torres Acosta JF, Mancilla-Montelongo G, Castro CS, Costa-Junior LM, Louvandini H, Sousa DM, Salminen JP, Karonen M, Engstrom M, Charlier J, Niderkorn V, Morgan ER. Use of agro-industrial by-products containing tannins for the integrated control of gastrointestinal nematodes in ruminants. Parasite 2022; 29:10. [PMID: 35225785 PMCID: PMC8884022 DOI: 10.1051/parasite/2022010] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 01/26/2021] [Indexed: 01/19/2023] Open
Abstract
Previous studies have illustrated that different bioactive legume fodders containing condensed tannins might represent one of the options for integrated sustainable control of gastrointestinal nematodes (GIN) in ruminants, which may help address the worldwide development of resistance to synthetic anthelmintics. More recently, impetus has been given to assess the potential antiparasitic activity of less conventional resources, represented by different agro-industrial by-products (AIBPs). This review presents in vitro and in vivo results obtained with a range of tannin-containing AIBPs of various geographical and botanical origins, namely AIBP of nuts, temperate and tropical barks, carob, coffee and cocoa. They tend to confirm the “proof of concept” for their antiparasitic effects and also for other aspects of ruminant production in an agro-ecological context. Socio-economic aspects of the exploitation of such non-conventional resources are also discussed as potential models of the circular economy, by using waste. The different modes of use of these resources are presented in this review, as well as strengths, weaknesses, opportunities, and threats (SWOT) analyses to illustrate the advantages and limitations of on-farm use.
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Affiliation(s)
- Hervé Hoste
- Université de Toulouse, UMR 1225 IHAP INRAE/ENVT 31076 Toulouse France
- Corresponding author:
| | | | - Sarah Marchand
- Université de Toulouse, UMR 1225 IHAP INRAE/ENVT 31076 Toulouse France
| | | | | | | | | | | | | | | | - Juan Felipe Torres Acosta
- CONACYT-Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán Carretera Mérida-Xmatkuil km 15.5 Mérida Yucatán 97000 México
| | - Gabriella Mancilla-Montelongo
- CONACYT-Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán Carretera Mérida-Xmatkuil km 15.5 Mérida Yucatán 97000 México
| | - Carlos Sandoval Castro
- CONACYT-Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán Carretera Mérida-Xmatkuil km 15.5 Mérida Yucatán 97000 México
| | - Livio M. Costa-Junior
- Laboratório de Controle de Parasitos, Centro de Ciências Biológicas e da Saúde, Departamento de Patologia, Universidade Federal do Maranhão, São Luis Maranhão MA 65080-805 Brazil
| | - Helder Louvandini
- Laboratório de Nutrição Animal, Centro de Energia Nuclear na Agricultura, Universidade de São Paulo 13400-970 Piracicaba São Paulo Brazil
| | - Dauana Mesquita Sousa
- Laboratório de Controle de Parasitos, Centro de Ciências Biológicas e da Saúde, Departamento de Patologia, Universidade Federal do Maranhão, São Luis Maranhão MA 65080-805 Brazil
| | | | - Maarit Karonen
- Natural Chemistry Research Group, University of Turku 20014 Turku Finland
| | - Marika Engstrom
- Natural Chemistry Research Group, University of Turku 20014 Turku Finland
| | | | - Vincent Niderkorn
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores 63122 Saint-Genes Champanelle France
| | - Eric R. Morgan
- School of Biological Sciences, Queens University, Belfast BT9 5DL Northern Ireland United Kingdom
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11
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Oliveira M, Lima CS, Ketavong S, Llorent-Martínez EJ, Hoste H, Custódio L. Disclosing the bioactive metabolites involved in the in vitro anthelmintic effects of salt-tolerant plants through a combined approach using PVPP and HPLC-ESI-MS n. Sci Rep 2021; 11:24303. [PMID: 34934093 PMCID: PMC8692309 DOI: 10.1038/s41598-021-03472-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 11/24/2021] [Indexed: 11/09/2022] Open
Abstract
Strategies to reduce dependence on synthetic drugs for the treatment of gastrointestinal nematodes (GIN) infections in ruminants include the search for novel anthelmintic scaffolds on plants, yet salt-tolerant plants remain overlooked. This study aims to evaluate the in vitro anthelmintic properties of selected salt-tolerant plants against GIN, and identify the potential bioactive secondary metabolites involved. For that purpose, 80% acetone/water extracts were prepared from dried biomass of aerial organs of nine salt-tolerant plant species and tested against Haemonchus contortus and Trichostrongylus colubriformis by the Larval Exsheathment Inhibition Assay (LEIA) and Egg Hatching Inhibition Assay (EHIA). Pistacia lentiscus, Limoniatrum monopetalum, Cladium mariscus and Helychrisum italicum picardi were the most active in both GIN and life stages. To investigate the role of polyphenols in the anthelmintic activity, four selected extracts were treated with polyvinylpolypyrrolidone (PVPP), and non-treated and treated samples were further characterized by high-performance liquid chromatography with electrospray ionization mass spectrometric detection (HPLC-ESI-MSn). While polyphenols seem responsible for the EHIA properties, they are partially accountable to LEIA results. Several phenolics involved in the anthelmintic effects were identified and discussed. In sum, these species are rich sources of anthelmintic compounds and, therefore, are of major interest for nutraceutical and/or phytotherapeutic applications against GIN in ruminants.
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Affiliation(s)
- Marta Oliveira
- Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139, Faro, Portugal
| | - Caroline Sprengel Lima
- Laboratory of Antibiotics and Chemotherapeutics, IBILCE, São Paulo State University, São José do Rio Preto, SP, Brazil
| | - Setha Ketavong
- UMR 1225 IHAP, INRAe, 23 Chemin des Capelles, 31076, Toulouse, France
| | - Eulogio J Llorent-Martínez
- Department of Physical and Analytical Chemistry, Faculty of Experimental Sciences, University of Jaén, Campus Las Lagunillas, 23071, Jaén, Spain
| | - Hervé Hoste
- UMR 1225 IHAP, INRAe, 23 Chemin des Capelles, 31076, Toulouse, France.,ENVT, Université de Toulouse, 23 Chemin des Capelles, 31076, Toulouse, France
| | - Luísa Custódio
- Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139, Faro, Portugal.
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12
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Martínez-Ortiz-de-Montellano C, Torres-Acosta JFDJ, Sandoval-Castro CA, Fourquaux I, Hoste H. Scanning electron microscopy of different vulval structures in a Mexican Haemonchus contortus isolate. Vet Parasitol Reg Stud Reports 2021; 26:100640. [PMID: 34879951 DOI: 10.1016/j.vprsr.2021.100640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 09/07/2021] [Accepted: 09/12/2021] [Indexed: 11/19/2022]
Abstract
Haemonchus contortus is a parasite species that affects the health and production of grazing small ruminants in different parts of the world. Scanning electron microscopy (SEM) is an important tool for the study of parasites' morphology and taxonomy as it generates images that appear 3D and are generally easier to interpret than optical microscopy images. This study used the SEM to describe the vulval types of adult H. contortus from a Mexican isolate. A total of 14 adult H. contortus females were obtained from two artificially infected goats. Females were fixed and processed by critical point drying and observed with SEM. A collection of SEM images was obtained from these parasites and those images were used to identify the structures previously described by optical microscopy studies. Two different types of vulval structures were described in this Mexican H. contortus isolate: Type 1 (vulval flap), Type 2 (epiptygma). An unusual vulval structure was reported in a single individual. The Type 1 included vulval flaps of different sizes and spatial dispositions, as well as one or more knobs in different positions around the vulva. The Type 2 shows differences in the epiptygma. The present study suggests that the Mexican H. contortus isolate used in donor animals possess intraspecific polymorphism in vulval structures.
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Affiliation(s)
- Cintli Martínez-Ortiz-de-Montellano
- Departamento de Parasitología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Colonia UNAM, C.U. Delegación Coyoacán, C.P. 04510, Ciudad de México, Mexico.
| | - Juan Felipe de Jesús Torres-Acosta
- Facultad de Medicina Veterinaria y Zootecnia, CCBA, Universidad Autónoma de Yucatán, Km. 15.5 Carretera Mérida-Xmatkuil, Mérida, Yucatán, Mexico
| | - Carlos Alfredo Sandoval-Castro
- Facultad de Medicina Veterinaria y Zootecnia, CCBA, Universidad Autónoma de Yucatán, Km. 15.5 Carretera Mérida-Xmatkuil, Mérida, Yucatán, Mexico
| | - Isabelle Fourquaux
- CMEAB, Faculté de Médecine de Rangueil, Université Paul Sabatier, Toulouse, France
| | - Hervé Hoste
- INRA UMR 1225 IHAP INRA/ENVT, 23 Chemin des Capelles, F 31076 Toulouse Cedex, France; Université de Toulouse, ENVT; UMR 1225, F-31076 Toulouse, France
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13
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Gayrard C, Gombault P, Bretaudeau A, Hoste H, Gidenne T. Nutritive value of dehydrated sainfoin (Onobrychis viciifoliae) for growing rabbits, according to the harvesting stage. Anim Feed Sci Technol 2021. [DOI: 10.1016/j.anifeedsci.2021.114995] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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14
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Oliveira M, Hoste H, Custódio L. A systematic review on the ethnoveterinary uses of mediterranean salt-tolerant plants: Exploring its potential use as fodder, nutraceuticals or phytotherapeutics in ruminant production. J Ethnopharmacol 2021; 267:113464. [PMID: 33049342 DOI: 10.1016/j.jep.2020.113464] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 09/15/2020] [Accepted: 10/03/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Salt-tolerant plants are well adapted to the harsh conditions of the Mediterranean region, where have been used traditionally as food and medicines for human and animals. In addition, various species are currently recognized as sources of metabolites with pharmacological, cosmetical and nutraceutical interest. Nevertheless, ethnoveterinary data on salt-tolerant plants are dispersed in the literature and there are few discussions on its veterinary potential. Having in mind the rising interest on organic farming, alternatives to chemical substances in livestock production and concern for animal health and welfare practices, these plants may represent an untapped resource for animal management and veterinary purposes. In this sense, the purpose of this work is to summarize the ethnoveterinary knowledge on salt-tolerant plants described in the Mediterranean region, raising awareness to the potential of this group of plants to be used in veterinary science, targeting especially ruminants. MATERIAL AND METHODS Literature search (2000-2020) was conducted using Web of Science and Science Direct databases. Ethnoveterinary reports (EVR) concerning salt-tolerant plants were summarized and filtered for ruminants. From the final 29 publications, EVR concerning therapeutic uses were categorized according to its ATCvet code and results analyzed. RESULTS A total of 221 EVR were identified from 39 plants, belonging to 21 plant families, targetting ruminants. Ten EVR (4.5%) concerned uses of salt-tolerant species as animal feed, while around 75% of therapeutic uses was represented by three categories: alimentary tract and metabolism (QA; n = 75), dermatologicals (QD; n = 53) and genitourinary system and sex hormones (QG; n = 41). Pistacia lentiscus L., Foeniculum vulgare Mill., Dittrichia viscosa (L.) Greuter, Plantago major L. and Hordeum vulgare L. were the most cited species in the latter categories. CONCLUSIONS The ethnoveterinary knowledge on salt-tolerant species hints some plants of veterinary pharmacological potential, but other species deserve further notice. This information should serve as a basis and, coupled with the currently available scientific data on bioactive properties and chemical composition of salt-tolerant species, inspire additional research on the exploitation of this botanical group, as sources of novel products for ruminant nutrition, health and quality of its products.
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Affiliation(s)
- Marta Oliveira
- Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139, Faro, Portugal
| | - Hervé Hoste
- INRA, UMR 1225 IHAP, 23 Chemin des Capelles, Toulouse, F31076, France; Université de Toulouse, ENVT, 23 Chemin des Capelles, Toulouse, F31076, France
| | - Luísa Custódio
- Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139, Faro, Portugal.
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15
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Corrêa PS, Mendes LW, Lemos LN, Crouzoulon P, Niderkorn V, Hoste H, Costa-Júnior LM, Tsai SM, Faciola AP, Abdalla AL, Louvandini H. Tannin supplementation modulates the composition and function of ruminal microbiome in lambs infected with gastrointestinal nematodes. FEMS Microbiol Ecol 2020; 96:5735434. [PMID: 32053145 DOI: 10.1093/femsec/fiaa024] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 02/12/2020] [Indexed: 02/07/2023] Open
Abstract
This study was carried out to evaluate the effects of tannin supplementation on ruminal microbiota of sixteen lambs infected and non-infected with Haemonchus contortus and Trichostrongylus colubriformis. Animals were fed with hay, concentrate and supplemented with Acacia mearnsii (A. mearnsii). The animals were divided into four treatments: two control groups without infection, either receiving A. mearnsii (C+) or not (C-), and two infected groups, one with A. mearnsii (I+) and another without A. mearnsii (I-). Ruminal short-chain fatty acids (SCFA) and metagenome sequencing of ruminal microbiota were used to evaluate the effect of tannin and infection on ruminal microbiome. For SCFA, differences were observed only with A. mearnsii. Total SCFA and acetate molar percentage were decreased in C+ and I+ (P<0.05). Butyrate, valerate and isovalerate were higher in lambs that received A. mearnsii in the diet (P<0.05). The infection changed the microbiome structure and decreased the abundance of butyrate-producing microorganisms. In addition, A. mearnsii supplementation also affected the structure the microbial community, increasing the diversity and abundance of the butyrate-producing and probiotics bacteria, amino acid metabolic pathways, purine, pyrimidine and sphingolipid metabolism. Together, our findings indicate that A. mearnsii supplementation modulates important groups related to nitrogen, amino acid, purine and pyrimidine metabolism, in rumen microbiome, affected by gastrointestinal nematodes infection in lambs.
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Affiliation(s)
- Patricia Spoto Corrêa
- Laboratory of Animal Nutrition, Center for Nuclear Energy in Agriculture, University of São Paulo, 13400-970, Piracicaba, SP, Brazil.,Laboratory of Molecular Cell Biology, Center for Nuclear Energy in Agriculture, University of São Paulo, 13400-970, Piracicaba, SP, Brazil.,Department of Animal Sciences, University of Florida, Gainesville 32611, United States
| | - Lucas William Mendes
- Laboratory of Molecular Cell Biology, Center for Nuclear Energy in Agriculture, University of São Paulo, 13400-970, Piracicaba, SP, Brazil
| | - Leandro Nascimento Lemos
- Laboratory of Molecular Cell Biology, Center for Nuclear Energy in Agriculture, University of São Paulo, 13400-970, Piracicaba, SP, Brazil
| | - Pierre Crouzoulon
- Laboratory of Animal Nutrition, Center for Nuclear Energy in Agriculture, University of São Paulo, 13400-970, Piracicaba, SP, Brazil
| | - Vincent Niderkorn
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, F-63122 Saint-Genès Champanelle, France
| | - Hervé Hoste
- INRAE, UMR, Chemin des Capelles - BP 87614 - 31 076 - Toulouse, France
| | - Livio Martins Costa-Júnior
- Biological and Health Center, Federal University of Maranhao, Avenida dos Portugueses, 1966 - Vila Bacanga, 65080-805, São Luís - Maranhao, Brazil
| | - Siu Mui Tsai
- Laboratory of Molecular Cell Biology, Center for Nuclear Energy in Agriculture, University of São Paulo, 13400-970, Piracicaba, SP, Brazil
| | | | - Adibe Luiz Abdalla
- Laboratory of Animal Nutrition, Center for Nuclear Energy in Agriculture, University of São Paulo, 13400-970, Piracicaba, SP, Brazil
| | - Helder Louvandini
- Laboratory of Animal Nutrition, Center for Nuclear Energy in Agriculture, University of São Paulo, 13400-970, Piracicaba, SP, Brazil.,Department of Animal Sciences, University of Florida, Gainesville 32611, United States
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16
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Saratsi K, Hoste H, Voutzourakis N, Tzanidakis N, Stefanakis A, Thamsborg SM, Mueller-Harvey I, Hadjigeorgiou I, Sotiraki S. Feeding of carob (Ceratonia siliqua) to sheep infected with gastrointestinal nematodes reduces faecal egg counts and worm fecundity. Vet Parasitol 2020; 284:109200. [PMID: 32871390 DOI: 10.1016/j.vetpar.2020.109200] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 08/04/2020] [Accepted: 08/05/2020] [Indexed: 11/26/2022]
Abstract
The present study explored the anthelmintic effects of condensed tannins (CT) in carob (Ceratonia siliqua) pods fed to sheep against gastrointestinal nematodes. Three independent in vivo trials tested whether i) carob pod (CaBP)-containing feed had an anthelmintic effect and if yes, which was the optimal concentration in the diet; ii) whether this effect could be attributed to tannins through the polyethylene glycol (PEG) test and iii) whether there were any synergistic effects when combined with another tannin-containing feed (e.g. sainfoin). In all trials 6-month old nematode-naive lambs, experimentally infected with both Haemonchus contortus and Trichostrongylus colubriformis, were used. Faecal egg counts (FEC) were performed regularly and at the end of each trial adult worm counts (AWC) and female worm fecundity were recorded. In trial 1, 35 lambs (five groups of seven lambs) were fed different CaBP concentrations ranging from 0% to 12 % w/w. FEC declined up to 39.2 % only in the group fed with 12 %CaBP, while a declining trend (P < 0.06) was demonstrated for the AWC of T. colubriformis, which was associated with the increasing concentration of CaBP in feed. Female worm fecundity was reduced in groups fed CaBP for both parasites, however this was only significant for H. contortus (P < 0.001), in a dose dependent manner. In trial 2, four groups of six infected lambs each were used, which received the carob diets CaBP or CaBP + PEG, and the tannin-free diets with or without PEG (C or C + PEG). Results showed that FEC of Groups C, C + PEG, and CaBP + PEG were comparable throughout the trial, while the group receiving only CaBP showed lower FEC from DAY 25 onwards. AWC showed a reduction (67.7 %) only for H. contortus (P < 0.03). Reversal of the anthelmintic effect of CaBP after PEG administration suggested that CT contributed to the anthelmintic action. However, no effect of CaBP was observed on T. colubriformis AWC and on female worm fecundity for both species. Finally, for trial 3 four groups of six lambs each received a diet based on CaBP, sainfoin (S) or a combination (CaBP + S) and were compared to a control (C) diet of lucerne. On DAY 37 FEC values in groups CaBP + S and S tended to be lower compared to the two other groups (C, CaBP), while for AWCs no significant differences were observed for both parasites. The fecundity of H. contortus and T. colubriformis demonstrated significant differences between the treated and control groups, with lower values in the animals receiving CaBP + S. Overall, the results supported the hypothesis that carob had an anthelmintic effect due to its CT, but there was no clear indication of a synergistic effect with sainfoin.
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Affiliation(s)
- Katerina Saratsi
- Veterinary Research Institute, Hellenic Agricultural Organization-Demeter, Thermi, 57001, Thessaloniki, Greece; Department of Nutritional Physiology and Feeding, Faculty of Animal Science, Agricultural University of Athens, 11855, Athens, Greece.
| | - Hervé Hoste
- INRAE, UMR 1225 IHAP, 23 Chemin des Capelles, Toulouse, F-31076, France; Université de Toulouse, ENVT, 23 Chemin des Capelles, Toulouse, F-31076, France
| | - Nikolaos Voutzourakis
- Veterinary Research Institute, Hellenic Agricultural Organization-Demeter, Thermi, 57001, Thessaloniki, Greece
| | - Nikolaos Tzanidakis
- Veterinary Research Institute, Hellenic Agricultural Organization-Demeter, Thermi, 57001, Thessaloniki, Greece
| | - Alexandros Stefanakis
- Veterinary Research Institute, Hellenic Agricultural Organization-Demeter, Thermi, 57001, Thessaloniki, Greece
| | - Stig Milan Thamsborg
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Irene Mueller-Harvey
- School of Agriculture, Policy and Development, University of Reading, P.O. Box 236, 1 Earley Gate, Reading, RG6 6AT, UK
| | - Ioannis Hadjigeorgiou
- Department of Nutritional Physiology and Feeding, Faculty of Animal Science, Agricultural University of Athens, 11855, Athens, Greece
| | - Smaragda Sotiraki
- Veterinary Research Institute, Hellenic Agricultural Organization-Demeter, Thermi, 57001, Thessaloniki, Greece
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17
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Karonen M, Ahern JR, Legroux L, Suvanto J, Engström MT, Sinkkonen J, Salminen JP, Hoste H. Ellagitannins Inhibit the Exsheathment of Haemonchus contortus and Trichostrongylus colubriformis Larvae: The Efficiency Increases Together with the Molecular Size. J Agric Food Chem 2020; 68:4176-4186. [PMID: 32181655 PMCID: PMC7146859 DOI: 10.1021/acs.jafc.9b06774] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 03/17/2020] [Accepted: 03/17/2020] [Indexed: 05/26/2023]
Abstract
Worldwide, parasitic gastrointestinal nematodes continue to threaten animal health, welfare, and production in outdoor breeding systems of small ruminants. For more than 50 years, the control of these parasitic worms has relied on the use of commercial synthetic anthelmintics. However, anthelmintic resistance in worm populations is nowadays widespread and requires novel solutions. The use of tannin-rich plants has been suggested as an alternative to synthetic anthelmintics to control gastrointestinal nematodes. The majority of previous studies have focused on the activity of proanthocyanidins (syn condensed tannins), and less is known about ellagitannins. In this study, the effects of 30 structurally unique ellagitannins on the exsheathment of third-stage infective larvae were examined on Haemonchus contortus and Trichostrongylus colubriformis by the in vitro larval exsheathment inhibition assay. Ellagitannins were found to be promising natural anthelmintics as they showed direct inhibition on larval exsheathment for both nematode species. In general, ellagitannins were more efficient at inhibiting the exsheathment of H. contortus larvae than those of T. colubriformis. The efficiency of inhibition increased as the degree of oligomerization or the molecular weight of the ellagitannin increased. Otherwise, we found no other structural features of ellagitannins that significantly affected the anthelmintic activity on the third-stage infective larvae. The effective concentrations were physiologically relevant and should be achievable in the gastrointestinal tract also in in vivo conditions.
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Affiliation(s)
- Maarit Karonen
- Natural
Chemistry Research Group, Department of Chemistry, University of Turku, FI-20014 Turku, Finland
| | - Jeffrey R. Ahern
- Natural
Chemistry Research Group, Department of Chemistry, University of Turku, FI-20014 Turku, Finland
| | - Lucie Legroux
- UMR
1225 IHAP, INRAE/ENVT, 23 Chemin des Capelles, 31076 Toulouse Cedex, France
| | - Jussi Suvanto
- Natural
Chemistry Research Group, Department of Chemistry, University of Turku, FI-20014 Turku, Finland
| | - Marica T. Engström
- Natural
Chemistry Research Group, Department of Chemistry, University of Turku, FI-20014 Turku, Finland
| | - Jari Sinkkonen
- Natural
Chemistry Research Group, Department of Chemistry, University of Turku, FI-20014 Turku, Finland
| | - Juha-Pekka Salminen
- Natural
Chemistry Research Group, Department of Chemistry, University of Turku, FI-20014 Turku, Finland
| | - Hervé Hoste
- UMR
1225 IHAP, INRAE/ENVT, 23 Chemin des Capelles, 31076 Toulouse Cedex, France
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18
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Niderkorn V, Barbier E, Macheboeuf D, Torrent A, Mueller-Harvey I, Hoste H. In vitro rumen fermentation of diets with different types of condensed tannins derived from sainfoin (Onobrychis viciifolia Scop.) pellets and hazelnut (Corylus avellana L.) pericarps. Anim Feed Sci Technol 2020. [DOI: 10.1016/j.anifeedsci.2019.114357] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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19
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Martínez-Ortiz-de-Montellano C, Torres-Acosta JFDJ, Fourquaux I, Sandoval-Castro CA, Hoste H. Ultrastructural study of adult Haemonchus contortus exposed to polyphenol-rich materials under in vivo conditions in goats. ACTA ACUST UNITED AC 2019; 26:65. [PMID: 31738160 PMCID: PMC6859865 DOI: 10.1051/parasite/2019065] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Accepted: 10/30/2019] [Indexed: 11/14/2022]
Abstract
This study assessed the ultrastructural changes caused in adult Haemonchus contortus obtained from goats fed fodder based on polyphenol-rich plants Lysiloma latisiliquum or Onobrychis viciifolia or from goats drenched with quebracho extract, Schinopsis spp. The H. contortus were obtained from artificially infected goats used as models to investigate the anthelmintic effect of feeding or drenching with the polyphenol-rich materials. Nematode populations were exposed to polyphenol-rich plant materials by feeding host goats for 8 consecutive days (D28 to D35 post-infection) with (a) L. latisiliquum fodder at 800 g fresh basis/day, (b) O. viciifolia fodder offered ad libitum, and (c) drenched with a solution containing quebracho extract (90 g/day). Meanwhile, control H. contortus were obtained from goats fed polyphenol-free diets. The H. contortus specimens were recovered from the goats on D36 post-infection, and transmission electron microscopy (TEM) was used to identify ultrastructural changes. In vivo exposure to different polyphenol-rich plant materials caused vacuolization of the nematodes’ intestinal, muscular and hypodermal cells. These alterations represent the first evidence of cell damage caused in H. contortus when hosts were fed or drenched with polyphenol-rich materials. Ultrastructural changes affecting several types of cells could explain modifications in worm motility and nutrition, eventually affecting H. contortus reproductive success. This study contributes to our understanding of the mechanisms of action of polyphenol-rich plants against H. contortus when given as nutraceuticals to goats.
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Affiliation(s)
- Cintli Martínez-Ortiz-de-Montellano
- Departamento de Parasitología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México Colonia UNAM, CU, Delegación Coyoacán, CP 04510, Ciudad de México, México
| | - Juan Felipe de Jesús Torres-Acosta
- Facultad de Medicina Veterinaria y Zootecnia, CCBA, Universidad Autónoma de Yucatán, Km. 15.5 carretera Mérida-Xmatkuil, 97100 Mérida, Yucatán, México
| | - Isabelle Fourquaux
- CMEAB, Faculté de Médecine de Rangueil, Université Paul Sabatier, 31062 Toulouse Cedex, France
| | - Carlos Alfredo Sandoval-Castro
- Facultad de Medicina Veterinaria y Zootecnia, CCBA, Universidad Autónoma de Yucatán, Km. 15.5 carretera Mérida-Xmatkuil, 97100 Mérida, Yucatán, México
| | - Hervé Hoste
- INRA UMR 1225 IHAP INRA/ENVT, 23 chemin des Capelles, 31076 Toulouse Cedex, France - Université de Toulouse, ENVT, UMR 1225, 31076 Toulouse Cedex, France
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Lima PDMT, Crouzoulon P, Sanches TP, Zabré G, Kabore A, Niderkorn V, Hoste H, Amarante AFTD, Costa-Júnior LM, Abdalla AL, Louvandini H. Effects of Acacia mearnsii supplementation on nutrition, parasitological, blood parameters and methane emissions in Santa Inês sheep infected with Trichostrongylus colubriformis and Haemonchus contortus. Exp Parasitol 2019; 207:107777. [PMID: 31626795 DOI: 10.1016/j.exppara.2019.107777] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 07/15/2019] [Accepted: 10/14/2019] [Indexed: 12/27/2022]
Abstract
Gastrointestinal nematodes are a main problem for ruminant production, reducing animal performance and increasing environmental impact per unit of animal product generated. Tannin supplementation may lead to positive results regarding aspects such as parasitic infections and methane (CH4) emissions. Therefore, the objective of this experiment was to evaluate the effects of the condensed tannins (CT) extract made of powdered Acacia mearnsii bark (PAB) on nutrition, parasitic status and CH4 emissions in sheep artificially infected with Trichostrongylus colubriformis and Haemonchus contortus. Twenty 10-month old Santa Inês lambs (24.7 ± 3.14 kg of initial body weight) were used in a 50-day trial. Animals were divided in four treatment groups according to parasitic infection and PAB supplementation: two control groups without infections, one without PAB (C-) (n = 4) and one with PAB (C+) (n = 4); two infected groups, one without PAB (I-) (n = 6) and another receiving PAB (I+) (n = 6). Initially, animals were kept in individual pens where they were fed ad libitum chopped tifton 85 hay (Cynodon spp.) and 210 g/animal/day of concentrate. On the first day of experiment, animals of I- and I+ groups were artificially infected with infective larvae (L3) of T. colubriformis and H. contortus. Lambs were weighed fortnightly to calculate average daily body weight gain (ADG). Blood and faeces samples were also collected in the same moment of weighing for the evaluation of blood parameters and faecal egg count (FEC) respectively. After 40 days of experiment, measurements of CH4 emissions in small chamber system started and following that, apparent total tract digestibility (ATTD) assay was carried out in metabolic cages. In the end of experimental period (50 days), lambs were slaughtered and samples of abomasum and small intestine content were collected for worm count, identification, and eggs/female count. No significant (p > 0.05) treatment effects were verified for ADG, ATTD and worm count. Blood parameters were affected in both infected groups (p < 0.05) from the 28th experimental day onwards, when these animals started to show reduced red blood cells, haemoglobin and packed cell volume when compared to C- and C+. Decreased FEC was verified in I+ when compared to I- and also, H. contortus eggs/female worm for I+ was lower than for I- (p < 0.05). Both infected groups showed higher CH4 emissions than the control groups (p < 0.05). Results highlighted the anthelmintic potential of PAB and indicated methanogenic effect of parasitic nematode infections.
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Affiliation(s)
| | - Pierre Crouzoulon
- Universidade de São Paulo, Centro de Energia Nuclear Na Agricultura, Piracicaba, São Paulo, Brazil
| | | | - Geneviève Zabré
- Laboratoire de Biologie et Santé Animales-DPA/INERA, Ouagadougou, Burkina Faso
| | - Adama Kabore
- Laboratoire de Biologie et Santé Animales-DPA/INERA, Ouagadougou, Burkina Faso
| | - Vincent Niderkorn
- Université Clermont Auvergne, INRA, VetAgro Sup, UMR Herbivores, F-63122, Saint-Genès Champanelle, France
| | - Hervé Hoste
- INRA, UMR 1225 IHAP, 23 Chemin des Capelles, F-31000, Toulouse, France
| | | | | | - Adibe Luiz Abdalla
- Universidade de São Paulo, Centro de Energia Nuclear Na Agricultura, Piracicaba, São Paulo, Brazil
| | - Helder Louvandini
- Universidade de São Paulo, Centro de Energia Nuclear Na Agricultura, Piracicaba, São Paulo, Brazil; Department of Animal Sciences, University of Florida, Gainesville, FL, USA
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21
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Morgan ER, Aziz NAA, Blanchard A, Charlier J, Charvet C, Claerebout E, Geldhof P, Greer AW, Hertzberg H, Hodgkinson J, Höglund J, Hoste H, Kaplan RM, Martínez-Valladares M, Mitchell S, Ploeger HW, Rinaldi L, von Samson-Himmelstjerna G, Sotiraki S, Schnyder M, Skuce P, Bartley D, Kenyon F, Thamsborg SM, Vineer HR, de Waal T, Williams AR, van Wyk JA, Vercruysse J. 100 Questions in Livestock Helminthology Research. Trends Parasitol 2018; 35:52-71. [PMID: 30477758 DOI: 10.1016/j.pt.2018.10.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 10/26/2018] [Accepted: 10/27/2018] [Indexed: 12/22/2022]
Abstract
An elicitation exercise was conducted to collect and identify pressing questions concerning the study of helminths in livestock, to help guide research priorities. Questions were invited from the research community in an inclusive way. Of 385 questions submitted, 100 were chosen by online vote, with priority given to open questions in important areas that are specific enough to permit investigation within a focused project or programme of research. The final list of questions was divided into ten themes. We present the questions and set them briefly in the context of the current state of knowledge. Although subjective, the results provide a snapshot of current concerns and perceived priorities in the field of livestock helminthology, and we hope that they will stimulate ongoing or new research efforts.
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Affiliation(s)
- Eric R Morgan
- Queen's University Belfast, School of Biological Sciences, 97, Lisburn Road, Belfast, BT9 7BL, UK.
| | - Nor-Azlina A Aziz
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | | | | | - Claude Charvet
- ISP, INRA, Université Tours, UMR1282, 37380, Nouzilly, France
| | - Edwin Claerebout
- Laboratory for Parasitology, Faculty of Veterinary Medicine, Ghent University, B9820 Merelbeke, Belgium
| | - Peter Geldhof
- Laboratory for Parasitology, Faculty of Veterinary Medicine, Ghent University, B9820 Merelbeke, Belgium
| | - Andrew W Greer
- Faculty of Agriculture and Life Sciences, P.O. Box 85084, Lincoln University, Christchurch, 7647, New Zealand
| | - Hubertus Hertzberg
- Institute of Parasitology, University of Zurich, Winterthurerstrasse 266a, 8057 Zurich, Switzerland
| | - Jane Hodgkinson
- Institute of Infection and Global Health, University of Liverpool, Liverpool Science Park IC2, 146 Brownlow Hill, Liverpool, L3 5RF, UK
| | - Johan Höglund
- Swedish University of Agricultural Sciences, BVF-parasitology, Box 7036, 750 07, Uppsala, Sweden
| | - Hervé Hoste
- UMR 1225 IHAP INRA/ENVT, 23 Chemin des Capelles, 31076 Toulouse, France
| | - Ray M Kaplan
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - María Martínez-Valladares
- Instituto de Ganadería de Montaña (CSIC-Universidad de León), Finca Marzanas, Grulleros, 24346 León, Spain
| | - Siân Mitchell
- Animal and Plant Health Agency, Carmarthen Veterinary Investigation Centre, Jobswell Road, Johnstown, Carmarthen, SA31 3EZ, UK
| | - Harm W Ploeger
- Utrecht University, Department of Infectious Diseases and Immunology, Yalelaan 1, 3584 CL, Utrecht, The Netherlands
| | - Laura Rinaldi
- Department of Veterinary Medicine and Animal Production, University of Napoli Federico II, Napoli, Italy
| | - Georg von Samson-Himmelstjerna
- Institute for Parasitology and Tropical Veterinary Medicine, Freie Universitaet Berlin, Robert-von-Ostertag-Str. 7-13, 14163 Berlin, Germany
| | - Smaragda Sotiraki
- Veterinary Research Institute, HAO-DEMETER, Campus Thermi 57001, Thessaloniki, Greece
| | - Manuela Schnyder
- Institute of Parasitology, University of Zurich, Winterthurerstrasse 266a, 8057 Zurich, Switzerland
| | - Philip Skuce
- Moredun Research Institute, Pentlands Science Park, Edinburgh EH26 0PZ, UK
| | - David Bartley
- Moredun Research Institute, Pentlands Science Park, Edinburgh EH26 0PZ, UK
| | - Fiona Kenyon
- Moredun Research Institute, Pentlands Science Park, Edinburgh EH26 0PZ, UK
| | - Stig M Thamsborg
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Hannah Rose Vineer
- Institute of Infection and Global Health, University of Liverpool, Liverpool Science Park IC2, 146 Brownlow Hill, Liverpool, L3 5RF, UK; School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, UK
| | - Theo de Waal
- University College Dublin, School of Veterinary Medicine, Belfield, Dublin, D04 W6F6, Ireland
| | - Andrew R Williams
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Jan A van Wyk
- Department of Veterinary Tropical Diseases, University of Pretoria, Private Bag X20, Pretoria, South Africa
| | - Jozef Vercruysse
- Laboratory for Parasitology, Faculty of Veterinary Medicine, Ghent University, B9820 Merelbeke, Belgium
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22
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Legendre H, Saratsi K, Voutzourakis N, Saratsis A, Stefanakis A, Gombault P, Hoste H, Gidenne T, Sotiraki S. Coccidiostatic effects of tannin-rich diets in rabbit production. Parasitol Res 2018; 117:3705-3713. [PMID: 30229294 DOI: 10.1007/s00436-018-6069-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Accepted: 08/28/2018] [Indexed: 10/28/2022]
Abstract
The potential anti-eimerial effect of tannin containing resources such as sainfoin and carob in rabbits was tested on does at pre-weaning and to growing rabbits in their feed. The trial began at parturition (D0), when 24 does and their litters were assigned into three groups. They were fed either with a control (Group CO), a carob (containing 10% carob pods meal) (Group CP) or a sainfoin diet (containing 34% dehydrated sainfoin pellets) (Group SA). All diets were made isoproteic and isoenergetic and also balanced for crude fibre but differed by their tannin content. Weaning occurred at D37, and growing rabbits remained in the same cage until D51. Then, they were transferred to fattening cages until the end of the trial (D104) and slaughtering. Weight gain of young rabbits among the three groups (mean = 31.2 g/day) did not differ statistically. The mortality rates were 10% (SA), 15% (CP) and 20% (CO), respectively, but the differences were not statistically significant. Post-weaning economical feed conversion ratio (FCR) was reduced between rabbits of group SA compared to CO and CP groups. Faecal oocyst count (FOC) in group SA was 60% lower than in CO and CP groups. Areas under the curve (AUCs) calculated between sampling days and FOC, after transfer to fattening cages, was 62% lower in group SA than in CO and CP groups. The main Eimeria species identified (from D59 to D83) was Eimeria magna (53% of oocysts). AUCs for E. magna did not differ according to diet. In conclusion, the diet containing sainfoin reduced oocyst excretion of Eimeria spp. by 60%, and improved the economical FCR.
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Affiliation(s)
- H Legendre
- GenPhySE, Université de Toulouse, INRA, ENVT, Castanet-Tolosan, France.,Laboratory of Parasitology, Veterinary Research Institute, Hellenic Agricultural Organization Demeter, Thermi, 57001, Thessaloniki, Greece.,UMR 1225 IHAP INRA/ENVT, 23 Chemin des Capelles, 31076, Toulouse, France.,Université de Toulouse, ENVT, 23 Chemin des Capelles, 31076, Toulouse, France
| | - K Saratsi
- Laboratory of Parasitology, Veterinary Research Institute, Hellenic Agricultural Organization Demeter, Thermi, 57001, Thessaloniki, Greece
| | - N Voutzourakis
- Laboratory of Parasitology, Veterinary Research Institute, Hellenic Agricultural Organization Demeter, Thermi, 57001, Thessaloniki, Greece
| | - A Saratsis
- Laboratory of Parasitology, Veterinary Research Institute, Hellenic Agricultural Organization Demeter, Thermi, 57001, Thessaloniki, Greece
| | - A Stefanakis
- Laboratory of Parasitology, Veterinary Research Institute, Hellenic Agricultural Organization Demeter, Thermi, 57001, Thessaloniki, Greece
| | - P Gombault
- MULTIFOLIA, 1bis grande Rue, 10380, Viâpre Le Petit, France
| | - H Hoste
- UMR 1225 IHAP INRA/ENVT, 23 Chemin des Capelles, 31076, Toulouse, France.,Université de Toulouse, ENVT, 23 Chemin des Capelles, 31076, Toulouse, France
| | - T Gidenne
- GenPhySE, Université de Toulouse, INRA, ENVT, Castanet-Tolosan, France
| | - S Sotiraki
- Laboratory of Parasitology, Veterinary Research Institute, Hellenic Agricultural Organization Demeter, Thermi, 57001, Thessaloniki, Greece.
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23
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Quijada J, Drake C, Gaudin E, El-Korso R, Hoste H, Mueller-Harvey I. Condensed Tannin Changes along the Digestive Tract in Lambs Fed with Sainfoin Pellets or Hazelnut Skins. J Agric Food Chem 2018; 66:2136-2142. [PMID: 29424229 DOI: 10.1021/acs.jafc.7b05538] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The variable anthelmintic efficacy of condensed tannins (CT) against gastrointestinal nematodes may depend on CT concentration, composition, or fate along the digestive tract. We analyzed CT concentration and composition by acetone-HCl-butanol and thiolysis coupled to HPLC-MS in digesta and feces of lambs. Lambs had been infected with Haemonchus contortus and Trichostrongylus colubriformis and received sainfoin pellets and hazelnut skins of contrasting prodelphinidin/procyanidin ratios. The digesta and feces had lower CT concentrations than the original feeds but similar concentration patterns across the digestive compartments. The changes in assayable CT concentrations between rumen, abomasum, and small intestine may be due to complex formation between CT and other dietary components. However, the large CT disappearance (61-85%) from feed to feces could also indicate that CT may have been structurally modified, degraded, or absorbed during digestion. Interestingly, there were no changes in the structural features of assayable CT in the digesta.
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Affiliation(s)
- Jessica Quijada
- INRA, UMR 1225 , 23 Chemin des Capelles , Toulouse F-31076 , France
- Université de Toulouse, ENVT , 23 Chemin des Capelles , Toulouse F-31076 , France
| | - Christopher Drake
- School of Agriculture, Policy and Development , University of Reading , P.O. Box 236, Reading RG6 6AT , United Kingdom
| | - Elodie Gaudin
- INRA, UMR 1225 , 23 Chemin des Capelles , Toulouse F-31076 , France
- Université de Toulouse, ENVT , 23 Chemin des Capelles , Toulouse F-31076 , France
- MG2MIX, La Basse Haye , Châteaubourg F-35220 , France
| | - Ramzi El-Korso
- INRA, UMR 1225 , 23 Chemin des Capelles , Toulouse F-31076 , France
- Université de Toulouse, ENVT , 23 Chemin des Capelles , Toulouse F-31076 , France
| | - Hervé Hoste
- INRA, UMR 1225 , 23 Chemin des Capelles , Toulouse F-31076 , France
- Université de Toulouse, ENVT , 23 Chemin des Capelles , Toulouse F-31076 , France
| | - Irene Mueller-Harvey
- School of Agriculture, Policy and Development , University of Reading , P.O. Box 236, Reading RG6 6AT , United Kingdom
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24
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Zabré G, Kaboré A, Bayala B, Katiki LM, Costa-Júnior LM, Tamboura HH, Belem AMG, Abdalla AL, Niderkorn V, Hoste H, Louvandini H. Comparison of the in vitro anthelmintic effects of Acacia nilotica and Acacia raddiana. ACTA ACUST UNITED AC 2017; 24:44. [PMID: 29173278 PMCID: PMC5703060 DOI: 10.1051/parasite/2017044] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Accepted: 10/20/2017] [Indexed: 11/14/2022]
Abstract
Gastrointestinal nematodes are a major threat to small ruminant rearing in the Sahel area, where farmers traditionally use bioactive plants to control these worms, including Acacia nilotica and Acacia raddiana. The main aim of this study was to screen the potential anthelmintic properties of aqueous and acetone extracts of leaves of these two plants based on three in vitro assays: (1) the egg hatch inhibition assay (EHA); (2) the larvae exsheathment inhibition assay (LEIA) using Haemonchus contortus as a model; and (3) an adult mortality test (AMT) applied on Caenorhabditis elegans. For the EHA, only A. raddiana was effective with IC50 = 1.58 mg/mL for aqueous extract, and IC50 = 0.58 mg/mL for acetonic extract. For the LEIA, all extracts inhibited the exsheathment of larvae compared to the controls, and the aqueous extract of A. nilotica was more larvicidal with IC50 = 0.195 mg/mL. In general, all responses to the substances were dose-dependent and were significantly different from the control group (p < 0.05). For the AMT, the extracts of the two Acacia species were effective but A. raddiana showed greater efficacy with 100% mortality at 2.5 mg/mL and LC50 = 0.84 mg/mL (acetonic extract). The addition of polyvinyl polypyrrolidone (PVPP) to the extracts suggested that tannins were responsible for blocking egg eclosion and inducing adult mortality but were not responsible for exsheathment inhibition. These results suggest that the leaves of these Acacia species possess ovicidal and larvicidal activities in vitro against H. contortus, and adulticidal effects against C. elegans.
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Affiliation(s)
- Geneviève Zabré
- Laboratoire de Biologie et Santé Animales-DPA/INERA, 04 BP 8645 Ouagadougou 04, Burkina Faso - Université de Ouagadougou / UFR-SVT, 03 BP 7021 Ouagadougou 03, Burkina Faso
| | - Adama Kaboré
- Laboratoire de Biologie et Santé Animales-DPA/INERA, 04 BP 8645 Ouagadougou 04, Burkina Faso
| | - Balé Bayala
- Université de Ouagadougou / UFR-SVT, 03 BP 7021 Ouagadougou 03, Burkina Faso
| | - Luciana M Katiki
- Instituto de Zootecnia (SAA, APTA), Rua Heitor Penteado 56, Nova Odessa, SP, cep 13460-000, Brazil
| | | | - Hamidou H Tamboura
- Laboratoire de Biologie et Santé Animales-DPA/INERA, 04 BP 8645 Ouagadougou 04, Burkina Faso
| | - Adrien M G Belem
- Université Nazi Boni, Bobo-Dioulasso, 01 BP 3770 Ouagadougou 01, Burkina Faso
| | - Adibe L Abdalla
- Universidade de São Paulo, Centro de Energia Nuclear na Agricultura, NAPTSA, CP 96, CEP 13.400-970, Piracicaba, SP, Brazil
| | - Vincent Niderkorn
- UMR1213 Herbivores, INRA - Clermont-Ferrand, Vetagro Sup, 63122 Saint-Genès-Champanelle, France
| | - Hervé Hoste
- UMR IHAP 1225 INRA/ENVT, 23 Chemin des Capelles, 31076 Toulouse Cedex, France
| | - Helder Louvandini
- Universidade de São Paulo, Centro de Energia Nuclear na Agricultura, NAPTSA, CP 96, CEP 13.400-970, Piracicaba, SP, Brazil
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25
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Charlier J, Thamsborg SM, Bartley DJ, Skuce PJ, Kenyon F, Geurden T, Hoste H, Williams AR, Sotiraki S, Höglund J, Chartier C, Geldhof P, van Dijk J, Rinaldi L, Morgan ER, von Samson-Himmelstjerna G, Vercruysse J, Claerebout E. Mind the gaps in research on the control of gastrointestinal nematodes of farmed ruminants and pigs. Transbound Emerg Dis 2017; 65 Suppl 1:217-234. [PMID: 29124904 DOI: 10.1111/tbed.12707] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Indexed: 12/31/2022]
Abstract
Gastrointestinal (GI) nematode control has an important role to play in increasing livestock production from a limited natural resource base and to improve animal health and welfare. In this synthetic review, we identify key research priorities for GI nematode control in farmed ruminants and pigs, to support the development of roadmaps and strategic research agendas by governments, industry and policymakers. These priorities were derived from the DISCONTOOLS gap analysis for nematodes and follow-up discussions within the recently formed Livestock Helminth Research Alliance (LiHRA). In the face of ongoing spread of anthelmintic resistance (AR), we are increasingly faced with a failure of existing control methods against GI nematodes. Effective vaccines against GI nematodes are generally not available, and anthelmintic treatment will therefore remain a cornerstone for their effective control. At the same time, consumers and producers are increasingly concerned with environmental issues associated with chemical parasite control. To address current challenges in GI nematode control, it is crucial to deepen our insights into diverse aspects of epidemiology, AR, host immune mechanisms and the socio-psychological aspects of nematode control. This will enhance the development, and subsequent uptake, of the new diagnostics, vaccines, pharma-/nutraceuticals, control methods and decision support tools required to respond to the spread of AR and the shifting epidemiology of GI nematodes in response to climatic, land-use and farm husbandry changes. More emphasis needs to be placed on the upfront evaluation of the economic value of these innovations as well as the socio-psychological aspects to prioritize research and facilitate uptake of innovations in practice. Finally, targeted regulatory guidance is needed to create an innovation-supportive environment for industries and to accelerate the access to market of new control tools.
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Affiliation(s)
- J Charlier
- Kreavet, Kruibeke, Belgium.,Avia-GIS, Zoersel, Belgium
| | - S M Thamsborg
- Department of Veterinary Disease Biology, University of Copenhagen, Frederiksberg C, Denmark
| | | | - P J Skuce
- Moredun Research Institute, Edinburgh, UK
| | - F Kenyon
- Moredun Research Institute, Edinburgh, UK
| | | | - H Hoste
- UMR IHAP 1225, INRA, ENVT, Université de Toulouse, Toulouse, France
| | - A R Williams
- Department of Veterinary Disease Biology, University of Copenhagen, Frederiksberg C, Denmark
| | - S Sotiraki
- VetResInst, HAO-DEMETER, Thessaloniki, Greece
| | - J Höglund
- BVF, Section for Parasitology, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | | | - P Geldhof
- Laboratory of Parasitology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - J van Dijk
- Institute of Infection and Global Health, University of Liverpool, Neston, Cheshire, UK
| | - L Rinaldi
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Napoli, Italy
| | - E R Morgan
- Institute for Global Food Security, Queen's University Belfast, Belfast, UK.,School of Veterinary Science, University of Bristol, North Somerset, UK
| | | | - J Vercruysse
- Laboratory of Parasitology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - E Claerebout
- Laboratory of Parasitology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
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26
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Castañeda-Ramírez GS, Mathieu C, Vilarem G, Hoste H, Mendoza-de-Gives P, González-Pech PG, Torres-Acosta JFJ, Sandoval-Castro CA. Age of Haemonchus contortus third stage infective larvae is a factor influencing the in vitro assessment of anthelmintic properties of tannin containing plant extracts. Vet Parasitol 2017; 243:130-134. [PMID: 28807282 DOI: 10.1016/j.vetpar.2017.06.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 06/07/2017] [Accepted: 06/22/2017] [Indexed: 10/19/2022]
Abstract
The larval exsheathment inhibition assay (LEIA) of infective larvae (L3) is an in vitro method used to evaluate the anthelmintic (AH) activity of tannin-containing plant extracts against different species of gastrointestinal nematodes, including Haemonchus contortus. Some conditions remain to be defined in order to standardize the LEIA, i.e. the optimal age of larvae produced from donor animals to use in the assays. Therefore, this study aimed at identifying the effect of age and age-related vitality of H. contortus infective larvae produced under tropical conditions, on the in vitro AH activity measured with the LEIA. The same acetone:water (70:30) extract from Acacia pennatula leaves was used to perform respective LEIA tests with H. contortus L3 of different ages (1-7 weeks). Each week, the L3 were tested against different concentrations of extract (1200, 600, 400, 200, 100, 40μg/mL of extract) plus a PBS control. Bioassays were performed with a benzimidazole (Bz) resistant H. contortus (Paraíso) strain. In order to identify changes in L3 vitality on different weeks (1-7), two assays testing larval motility were included only with PBS: the larval migration assay (LMA) and the larval motility observation assay (LMOA). Mean effective concentrations causing 50% and 90% exsheathment inhibition (EC50, EC90) were obtained for every week using respective Probit analyses. On the first week, the larvae had lowest EC50 and EC90 (39.4 and 65.6μg/mL) compared to older larvae (P<0.05). The EC50 and EC90 for weeks 2-5 were similar (P>0.05), while older larvae tended to show higher EC50 and EC90 (P<0.05). Motility showed strong negative correlations with age of larvae (r≥-0.83; P <0.05) and EC50 (r≥-0.80; P<0.05), suggesting that the lower extract efficacy could be associated with decaying vitality of larvae associated with age. More stable efficacy results were found between two to five weeks of age.
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Affiliation(s)
- G S Castañeda-Ramírez
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, C.P. 97100, Mérida, Yucatán, Mexico
| | - C Mathieu
- Université de Toulouse, INP-ENSIACET, LCA (Laboratoire de Chimie Agro industrielle), F31030 Toulouse, France
| | - G Vilarem
- Université de Toulouse, INP-ENSIACET, LCA (Laboratoire de Chimie Agro industrielle), F31030 Toulouse, France
| | - H Hoste
- INRA UMR 1225 Interactions Hôte Agents Pathogènes, 23 Chemin des Capelles, F31076, Toulouse, France
| | - P Mendoza-de-Gives
- Centro Nacional de Investigación Disciplinaria en Parasitología Veterinaria, INIFAP, Carretera Federal Cuernavaca-Cuautla No. 8534, Col. Progreso, Municipio de Jiutepec, Estado de Morelos, CP 62550, Mexico
| | - P G González-Pech
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, C.P. 97100, Mérida, Yucatán, Mexico
| | - J F J Torres-Acosta
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, C.P. 97100, Mérida, Yucatán, Mexico.
| | - C A Sandoval-Castro
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, C.P. 97100, Mérida, Yucatán, Mexico
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Chan-Pérez J, Torres-Acosta J, Sandoval-Castro C, Castañeda-Ramírez G, Vilarem G, Mathieu C, Hoste H. Susceptibility of ten Haemonchus contortus isolates from different geographical origins towards acetone:water extracts of polyphenol-rich plants. Part 2: Infective L 3 larvae. Vet Parasitol 2017; 240:11-16. [DOI: 10.1016/j.vetpar.2017.04.023] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 04/13/2017] [Accepted: 04/20/2017] [Indexed: 11/24/2022]
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Mengistu G, Hoste H, Karonen M, Salminen JP, Hendriks W, Pellikaan W. The in vitro anthelmintic properties of browse plant species against Haemonchus contortus is determined by the polyphenol content and composition. Vet Parasitol 2017; 237:110-116. [DOI: 10.1016/j.vetpar.2016.12.020] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 12/23/2016] [Accepted: 12/29/2016] [Indexed: 11/29/2022]
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Costes-Thiré M, Villalba JJ, Hoste H, Ginane C. 0093 Increased intake of tannin-rich sainfoin (Onobrychis viciifolia) pellets by parasitized and nonparasitized sheep after a period of conditioning. J Anim Sci 2016. [DOI: 10.2527/jam2016-0093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Hoste H, Torres-Acosta JFJ, Quijada J, Chan-Perez I, Dakheel MM, Kommuru DS, Mueller-Harvey I, Terrill TH. Interactions Between Nutrition and Infections With Haemonchus contortus and Related Gastrointestinal Nematodes in Small Ruminants. Adv Parasitol 2016; 93:239-351. [PMID: 27238007 DOI: 10.1016/bs.apar.2016.02.025] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Interactions between host nutrition and feeding behaviour are central to understanding the pathophysiological consequences of infections of the digestive tract with parasitic nematodes. The manipulation of host nutrition provides useful options to control gastrointestinal nematodes as a component of an integrated strategy. Focussed mainly on the Haemonchus contortus infection model in small ruminants, this chapter (1) illustrates the relationship between quantitative (macro- and micro-nutrients) and qualitative (plant secondary metabolites) aspects of host nutrition and nematode infection, and (2) shows how basic studies aimed at addressing some generic questions can help to provide solutions, despite the considerable diversity of epidemiological situations and breeding systems.
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Affiliation(s)
- H Hoste
- INRA, UMR 1225 IHAP, Toulouse, France; Université de Toulouse, Toulouse, France
| | | | - J Quijada
- INRA, UMR 1225 IHAP, Toulouse, France; Université de Toulouse, Toulouse, France
| | - I Chan-Perez
- Universidad Autónoma de Yucatán, Merida, Yucatan, Mexico
| | - M M Dakheel
- University of Reading, Reading, United Kingdom
| | - D S Kommuru
- Fort Valley State University, Fort Valley, GA, United States
| | | | - T H Terrill
- Fort Valley State University, Fort Valley, GA, United States
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Vargas-Magaña JJ, Torres-Acosta JFJ, Aguilar-Caballero AJ, Sandoval-Castro CA, Hoste H, Chan-Pérez JA. Anthelmintic activity of acetone-water extracts against Haemonchus contortus eggs: interactions between tannins and other plant secondary compounds. Vet Parasitol 2016; 206:322-7. [PMID: 25468031 DOI: 10.1016/j.vetpar.2014.10.008] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Revised: 09/19/2014] [Accepted: 10/13/2014] [Indexed: 10/24/2022]
Abstract
This study aimed at (i) describing the effects of acetone-water extracts obtained from a range of different plant materials, on the hatching process of Haemonchus contortus eggs under in vitro conditions and (ii) identifying the role of tannins and other plant secondary compounds (PSC), on these AH effects by using polyvinylpolypyrrolidone (PVPP), an inhibitor of tannins and other polyphenols. An egg hatch assay (EHA) was used to determine the AH effect. Acetone-water (70:30) extracts from different foliages (Lysiloma latisiliquum, Laguncularia racemosa, Rizophora mangle, Avicennia germinans) and plant by-products (Theobroma cacao seed husk and pulp, and percolated Coffea arabica) were obtained. Fresh H. contortus eggs were incubated in PBS with increasing concentrations of each extract (0, 600, 1200, 2400 and 3600 μg/ml PBS). A general linear model was used to determine the dose effect of each extract. A mild ovicidal activity was only recorded for T. cacao extracts (seed husk and pulp). The main anthelmintic (AH) effect for all the extracts, except for C. arabica, was to block the eclosion of larvated eggs. The use of PVPP at 3600 μg/ml PBS showed that tannins of the L. racemosa extract were responsible for blocking eclosion of larvated eggs. Extracts of L. latisiliquum, A. germinans, T. cacao seed husk and pulp also blocked eclosion of larvated eggs but the addition of PVPP indicated that tannins were not responsible for that activity. In contrast, it suggested unfavorable interactions between polyphenols and other PSC contained in those extracts, limiting the AH effect on the egg hatching process. The present results suggest that the interactions between tannins and other PSC are complex and may reduce the AH effects against H. contortus eggs.
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Engström MT, Karonen M, Ahern JR, Baert N, Payré B, Hoste H, Salminen JP. Chemical Structures of Plant Hydrolyzable Tannins Reveal Their in Vitro Activity against Egg Hatching and Motility of Haemonchus contortus Nematodes. J Agric Food Chem 2016; 64:840-51. [PMID: 26807485 DOI: 10.1021/acs.jafc.5b05691] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The use of synthetic drugs against gastrointestinal nematodes of ruminants has led to a situation where resistance to anthelmintics is widespread, and there is an urgent need for alternative solutions for parasite control. One promising approach is to use polyphenol-rich bioactive plants in animal feeds as natural anthelmintics. In the present work, the in vitro activity of a series of 33 hydrolyzable tannins (HTs) and their hydrolysis product, gallic acid, against egg hatching and motility of L1 and L2 stage Haemonchus contortus larvae was studied. The effect of the selected compounds on egg and larval structure was further studied by scanning electron microscopy. The results indicated clear relationships between HT structure and anthelmintic activity. While HT size, overall flexibility, the types and numbers of functional groups, together with the linkage types between monomeric HTs affected the activity differently, the optimal structure was found with pentagalloylglucose.
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Affiliation(s)
- M T Engström
- Department of Chemistry, Laboratory of Organic Chemistry and Chemical Biology, University of Turku , FI-20014 Turku, Finland
| | - M Karonen
- Department of Chemistry, Laboratory of Organic Chemistry and Chemical Biology, University of Turku , FI-20014 Turku, Finland
| | - J R Ahern
- Department of Chemistry, Laboratory of Organic Chemistry and Chemical Biology, University of Turku , FI-20014 Turku, Finland
| | - N Baert
- Department of Chemistry, Laboratory of Organic Chemistry and Chemical Biology, University of Turku , FI-20014 Turku, Finland
| | - B Payré
- Centre de Microscopie Electronique Appliquée à la Biologie, Faculté de Médecine Toulouse Rangueil, Université de Toulouse , 133, route de Narbonne, 31062 Toulouse Cedex 4, France
| | - H Hoste
- UMR 1225, INRA/DGER, Ecole Nationale Vétérinaire Toulouse , 23 Chemin des Capelles, 31076 Toulouse Cedex, France
- ENVT, Université de Toulouse , Toulouse F-31076, France
| | - J-P Salminen
- Department of Chemistry, Laboratory of Organic Chemistry and Chemical Biology, University of Turku , FI-20014 Turku, Finland
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Chan-Pérez J, Torres-Acosta J, Sandoval-Castro C, Hoste H, Castañeda-Ramírez G, Vilarem G, Mathieu C. In vitro susceptibility of ten Haemonchus contortus isolates from different geographical origins towards acetone:water extracts of two tannin rich plants. Vet Parasitol 2016; 217:53-60. [DOI: 10.1016/j.vetpar.2015.11.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 10/29/2015] [Accepted: 11/02/2015] [Indexed: 10/22/2022]
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Quijada J, Fryganas C, Ropiak HM, Ramsay A, Mueller-Harvey I, Hoste H. Anthelmintic Activities against Haemonchus contortus or Trichostrongylus colubriformis from Small Ruminants Are Influenced by Structural Features of Condensed Tannins. J Agric Food Chem 2015; 63:6346-54. [PMID: 26066999 DOI: 10.1021/acs.jafc.5b00831] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Plants containing condensed tannins (CTs) may hold promise as alternatives to synthetic anthelmintic (AH) drugs for controlling gastrointestinal nematodes (GINs). However, the structural features that contribute to the AH activities of CTs remain elusive. This study probed the relationships between CT structures and their AH activities. Eighteen plant resources were selected on the basis of their diverse CT structures. From each plant resource, two CT fractions were isolated and their in vitro AH activities were measured with the larval exsheathment inhibition assay, which was applied to Haemonchus contortus and Trichostrongylus colubriformis. Calculation of mean EC50 values indicated that H. contortus was more susceptible than T. colubriformis to the different fractions and that the F1 fractions were less efficient than the F2 ones, as indicated by the respective mean values for H. contortus, F1 = 136.9 ± 74.1 μg/mL and F2 = 108.1 ± 53.2 μg/mL, and for T. colubriformis, F1 = 233 ± 54.3 μg/mL and F2 = 166 ± 39.9 μg/mL. The results showed that the AH activity against H. contortus was associated with the monomeric subunits that give rise to prodelphinidins (P < 0.05) and with CT polymer size (P < 0.10). However, for T. colubriformis AH activity was correlated only with prodelphinidins (P < 0.05). These results suggest that CTs have different modes of action against different parasite species.
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Affiliation(s)
- Jessica Quijada
- †INRA, UMR 1225 IHAP, 23 Chemin des Capelles, Toulouse F-31076, France
- ‡Université de Toulouse, ENVT, 23 Chemin des Capelles, Toulouse F-31076, France
| | - Christos Fryganas
- §School of Agriculture, Policy and Development, University of Reading, 1 Earley Gate, P.O. Box 236, Reading RG6 6AT, United Kingdom
| | - Honorata M Ropiak
- §School of Agriculture, Policy and Development, University of Reading, 1 Earley Gate, P.O. Box 236, Reading RG6 6AT, United Kingdom
| | - Aina Ramsay
- §School of Agriculture, Policy and Development, University of Reading, 1 Earley Gate, P.O. Box 236, Reading RG6 6AT, United Kingdom
| | - Irene Mueller-Harvey
- §School of Agriculture, Policy and Development, University of Reading, 1 Earley Gate, P.O. Box 236, Reading RG6 6AT, United Kingdom
| | - Hervé Hoste
- †INRA, UMR 1225 IHAP, 23 Chemin des Capelles, Toulouse F-31076, France
- ‡Université de Toulouse, ENVT, 23 Chemin des Capelles, Toulouse F-31076, France
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Klongsiriwet C, Quijada J, Williams AR, Mueller-Harvey I, Williamson EM, Hoste H. Synergistic inhibition of Haemonchus contortus exsheathment by flavonoid monomers and condensed tannins. Int J Parasitol Drugs Drug Resist 2015. [PMID: 26199861 PMCID: PMC4506970 DOI: 10.1016/j.ijpddr.2015.06.001] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This study investigated the separate and combined anthelmintic (AH) effects of different phenolic compounds, including condensed tannins and flavonoids, all of which are known to occur in willow leaves, a potentially valuable dry season feed. A range of contrasting model tannins, which span the whole range of willow tannins, were isolated from tilia flowers, goat willow leaves, black currant leaves and red currant leaves. All together, the tested compounds represented the major tannin types (procyanidins and prodelphinidins) and flavonoid types (flavonols, flavones and flavanones). The larval exsheathment inhibition assay (LEIA) was used to assess their in vitro effects on Haemonchus contortus third stage larvae. Arbutin, vanillic acid, and taxifolin proved to be ineffective whereas naringenin, quercetin and luteolin were highly effective at 250 μM concentrations. Procyanidin (PC) tannins tended to be less active than prodelphinidin tannins (PD). Experiments with combinations of tannins and quercetin or luteolin revealed for the first time the existence of synergistic AH effects between tannins and flavonoid monomers. They also provided evidence that synergistic effects appear to occur at slightly lower concentrations of PC than PD. This suggests that the AH activity of condensed tannins can be significantly enhanced by the addition of quercetin or luteolin. This information may prove useful for plant breeding or selection and for designing optimal feed mixtures. Tannins and flavonoids showed anti-parasitic effects against Haemonchus contortus. This is the first report of their synergistic effects on larval exsheathment. Flavonoids enhanced especially the anthelmintic activities of procyanidin tannins.
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Affiliation(s)
- Chaweewan Klongsiriwet
- Chemistry and Biochemistry Laboratory, School of Agriculture, Policy and Development, University of Reading, P O Box 236, Reading RG6 6AT, UK
| | - Jessica Quijada
- UMR IHAP 1225 INRA/ENVT, Ecole Nationale Veterinaire de Toulouse, 31076, 23 Chemin des Capelles, Toulouse Cedex, France
| | - Andrew R Williams
- Faculty of Health and Medical Sciences, University of Copenhagen, 1871 Frederiksberg C, Denmark
| | - Irene Mueller-Harvey
- Chemistry and Biochemistry Laboratory, School of Agriculture, Policy and Development, University of Reading, P O Box 236, Reading RG6 6AT, UK
| | | | - Hervé Hoste
- UMR IHAP 1225 INRA/ENVT, Ecole Nationale Veterinaire de Toulouse, 31076, 23 Chemin des Capelles, Toulouse Cedex, France
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Hoste H, Torres-Acosta JFJ, Sandoval-Castro CA, Mueller-Harvey I, Sotiraki S, Louvandini H, Thamsborg SM, Terrill TH. Tannin containing legumes as a model for nutraceuticals against digestive parasites in livestock. Vet Parasitol 2015; 212:5-17. [PMID: 26190131 DOI: 10.1016/j.vetpar.2015.06.026] [Citation(s) in RCA: 131] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Revised: 06/16/2015] [Accepted: 06/23/2015] [Indexed: 11/29/2022]
Abstract
Parasitic infections with gastrointestinal nematodes (GINs) still represent a worldwide major pathological threat associated with the outdoor production of various livestock species. Because of the widespread resistance to synthetic chemical anthelmintics, there is a strong impetus to explore novel approaches for a more integrated management of these infections. The use of nutraceuticals in the control of GINs is one of the alternatives which has been widely studied for 20 years. The objectives of this review are: (i) to define and illustrate the concept of 'nutraceutical' in the context of veterinary parasitology based on data obtained on the most studied models to control GINs in small ruminants, the tannin-containing legumes (Fabaceae); (ii) to illustrate how the 'nutraceutical concept' could be expanded to other plants, other livestock production systems and other GI parasitic diseases, and (iii) to explain how this concept is opening up new research fields for better understanding the interactions between the host, the digestive parasites and the environment.
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Affiliation(s)
- H Hoste
- INRA, UMR 1225 IHAP, 23 Chemin des Capelles, Toulouse F-31076, France; Université de Toulouse, ENVT, 23 Chemin des Capelles, Toulouse F-31076, France.
| | - J F J Torres-Acosta
- Campus de Ciencias Biológicas y Agropecuarias, FMVZ, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, Merida, Yucatan, Mexico
| | - C A Sandoval-Castro
- Campus de Ciencias Biológicas y Agropecuarias, FMVZ, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, Merida, Yucatan, Mexico
| | - I Mueller-Harvey
- University of Reading, School of Agriculture, Policy and Development, 1 Earley Gate, P.O. Box 236, Reading, RG6 6AT, United Kingdom
| | - S Sotiraki
- Veterinary Research Institute - Hellenic Agricultural Organization Demeter, 57001, Thermi, Thessaloniki, Greece
| | - H Louvandini
- Laboratory of Animal Nutrition, Centre for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - S M Thamsborg
- Department of Veterinary Disease Biology, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - T H Terrill
- Fort Valley State University,1005 State University Drive Fort Valley, GA 31030, USA
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Arroyo-Lopez C, Manolaraki F, Saratsis A, Saratsi K, Stefanakis A, Skampardonis V, Voutzourakis N, Hoste H, Sotiraki S. Anthelmintic effect of carob pods and sainfoin hay when fed to lambs after experimental trickle infections with Haemonchus contortus and Trichostrongylus colubriformis. ACTA ACUST UNITED AC 2014; 21:71. [PMID: 25526546 PMCID: PMC4271655 DOI: 10.1051/parasite/2014074] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Accepted: 12/11/2014] [Indexed: 11/14/2022]
Abstract
The aim of the study was to compare the in vivo anthelmintic activity of sainfoin hay (Onobrychis viciifolia) and carob pod meal (Ceratonia siliqua) against gastrointestinal nematodes. Seven days before infection, 64 naive lambs were assigned to four different groups: Group S received sainfoin hay and group CAR was fed with carob pods. The remaining lambs received lucerne hay (Medicago sativa) and were assigned to positive (non-treated, NT) and negative (treated, T) control groups (treatment with albendazole). On day 0, lambs were artificially trickle infected for 6 weeks, with a mixture of infective larvae of Haemonchus contortus and Trichostrongylus colubriformis. Parasitological and pathophysiological parameters were measured repeatedly during the 2-month study. Compared to the NT group, decreases in egg excretion were observed in the CAR and S groups with significant differences only found for sainfoin (p < 0.05). At necropsy, group S showed decreases in the total worm numbers of both nematode species with significant differences for H. contortus. In contrast, no differences were noticed for the CAR group. Compared to the NT group, lower values for fecundity of female H. contortus were found in the S and CAR groups, however differences were non-significant. No differences in body weight gains were found between groups. Consistent results were found showing significantly higher packed cell volume (PCV) values in the T and S groups compared to NT and CAR groups. Overall, these results confirm a positive effect associated with the feeding of lambs with tanniniferous resources on host resilience (PCV values) and against gastrointestinal parasitic nematodes by affecting some biological traits of worm populations (e.g. eggs per gram of faeces and worm numbers). However, the anthelmintic effects differed between the two tannin-containing resources, which might be associated with the quantity and/or quality of secondary metabolites (condensed tannins and/or other polyphenols).
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Affiliation(s)
- Celia Arroyo-Lopez
- Veterinary Research Institute - Hellenic Agricultural Organization Demeter, 57001 Thermi, Thessaloniki, Greece - UMR 1225 IHAP INRA/ENVT, École Nationale Vétérinaire de Toulouse, 23 Chemin des Capelles, 31076 Toulouse Cedex, France
| | - Foteini Manolaraki
- UMR 1225 IHAP INRA/ENVT, École Nationale Vétérinaire de Toulouse, 23 Chemin des Capelles, 31076 Toulouse Cedex, France
| | - Anastasios Saratsis
- Veterinary Research Institute - Hellenic Agricultural Organization Demeter, 57001 Thermi, Thessaloniki, Greece
| | - Katerina Saratsi
- Veterinary Research Institute - Hellenic Agricultural Organization Demeter, 57001 Thermi, Thessaloniki, Greece
| | - Alexandros Stefanakis
- Veterinary Research Institute - Hellenic Agricultural Organization Demeter, 57001 Thermi, Thessaloniki, Greece
| | - Vasileios Skampardonis
- Veterinary Research Institute - Hellenic Agricultural Organization Demeter, 57001 Thermi, Thessaloniki, Greece
| | - Nikolaos Voutzourakis
- Veterinary Research Institute - Hellenic Agricultural Organization Demeter, 57001 Thermi, Thessaloniki, Greece
| | - Hervé Hoste
- UMR 1225 IHAP INRA/ENVT, École Nationale Vétérinaire de Toulouse, 23 Chemin des Capelles, 31076 Toulouse Cedex, France
| | - Smaragda Sotiraki
- Veterinary Research Institute - Hellenic Agricultural Organization Demeter, 57001 Thermi, Thessaloniki, Greece
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Torres-Acosta J, Pérez-Cruz M, Canul-Ku H, Soto-Barrientos N, Cámara-Sarmiento R, Aguilar-Caballero A, Lozano-Argáes I, Le-Bigot C, Hoste H. Building a combined targeted selective treatment scheme against gastrointestinal nematodes in tropical goats. Small Rumin Res 2014. [DOI: 10.1016/j.smallrumres.2014.01.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Sevila J, Richomme C, Hoste H, Candela MG, Gilot-Fromont E, Rodolakis A, Cebe N, Picot D, Merlet J, Verheyden H. Does land use within the home range drive the exposure of roe deer (Capreolus capreolus) to two abortive pathogens in a rural agro-ecosystem? ACTA ACUST UNITED AC 2014. [DOI: 10.1007/s13364-014-0197-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Roy EA, Hoste H, Beveridge I. The effects of concurrent experimental infections of sheep withTrichostrongylus colubriformisandT. vitrinuson nematode distributions, numbers and on pathological changes. Parasite 2014; 11:293-300. [PMID: 15490754 DOI: 10.1051/parasite/2004113293] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Simultaneous infections of Trichostrongylus colubriformis and T. vitrinus in the small intestine of the sheep were examined by comparing the numbers of worms which established and their distribution within the intestine in both monospecific infections and mixed infections. The results differed depending upon the species and number of parasites. The establishment of T. colubriformis was reduced and the distribution of the nematode population was displaced posteriorly within the intestine when 30,000 larvae of both species were administered, compared with pure infections of T. colubriformis. The reduced establishment was less marked with infections of 15,000 larvae of both species and there was only a slight posterior displacement of T. colubriformis. Neither effect was evident with infections of 7,500 larvae of both species. The rate of establishment and distribution of T. vitrinus were unaffected by the presence of T. colubriformis at all three rates of infection. Atrophy of villi and hypertrophy of crypts occurred at the main site of infection in the anterior duodenum. The severity of villus atrophy was related to the number of infective larvae administered and/or the worm burden. In the ileum, beyond the main site of infection, hypertrophy of villi was only found in sheep receiving the greatest number of infective larvae.
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Affiliation(s)
- E A Roy
- Department of Veterinary Sciences, University of Melbourne, Parkville, 3052, Victoria, Australia
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Debeffe L, Morellet N, Verheyden-Tixier H, Hoste H, Gaillard JM, Cargnelutti B, Picot D, Sevila J, Hewison AJM. Parasite abundance contributes to condition-dependent dispersal in a wild population of large herbivore. OIKOS 2014. [DOI: 10.1111/oik.01396] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lucie Debeffe
- INRA, UR35 CEFS; B.P-52627, FR-31326 Castanet-Tolosan France
- Univ. Claude Bernard Lyon1, LBBE UMR5558; FR-69622 Villeurbanne France
| | | | | | - Hervé Hoste
- INRA, UMR1225 IHAP; FR-31076 Toulouse France
- Univ. de Toulouse, ENVT UMR1225; FR-31076 Toulouse France
| | | | | | - Denis Picot
- INRA, UR35 CEFS; B.P-52627, FR-31326 Castanet-Tolosan France
| | - Julie Sevila
- INRA, UR35 CEFS; B.P-52627, FR-31326 Castanet-Tolosan France
- INRA, UMR1225 IHAP; FR-31076 Toulouse France
- Univ. de Toulouse, ENVT UMR1225; FR-31076 Toulouse France
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Moreno-Gonzalo J, Manolaraki F, Frutos P, Hervás G, Celaya R, Osoro K, Ortega-Mora L, Hoste H, Ferre I. In vitro effect of heather extracts on Trichostrongylus colubriformis eggs, larvae and adults. Vet Parasitol 2013; 197:586-94. [DOI: 10.1016/j.vetpar.2013.07.032] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Revised: 07/11/2013] [Accepted: 07/21/2013] [Indexed: 12/01/2022]
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Werne S, Perler E, Maurer V, Probst J, Hoste H, Drewek A, Heckendorn F. Effect of sainfoin (Onobrychis viciifolia) and faba bean (Vicia faba) on the periparturient rise in ewes infected with gastrointestinal nematodes. Small Rumin Res 2013. [DOI: 10.1016/j.smallrumres.2013.03.022] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Moreno-Gonzalo J, Manolaraki F, Frutos P, Hervás G, Celaya R, Osoro K, Ortega-Mora LM, Hoste H, Ferre I. In vitro effect of heather (Ericaceae) extracts on different development stages of Teladorsagia circumcincta and Haemonchus contortus. Vet Parasitol 2013; 197:235-43. [PMID: 23764130 DOI: 10.1016/j.vetpar.2013.05.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2013] [Revised: 04/24/2013] [Accepted: 05/11/2013] [Indexed: 10/26/2022]
Abstract
The aim of the present study was to evaluate the in vitro effects of heather (Ericaceae) phenolic extracts on the abomasal nematodes Teladorsagia circumcincta and Haemonchus contortus. Extracts of three heather species (Calluna vulgaris, Erica cinerea, Erica umbellata and a balanced mixture of all three) were tested in vitro on different development stages of T. circumcincta (eggs, infective larvae and adult worms) and H. contortus (eggs and infective larvae) using an egg hatching assay (EHA), a larval exsheathment inhibition assay (LEIA) and an adult motility inhibition assay (AMIA). The egg hatching rate was measured after incubation with heather extracts for 48 h at 25 °C. Ensheathed infective larvae were incubated for 3h at 20 °C with heather extracts. Artificial exsheathment was induced in vitro by adding hypochloride solution to the larval suspension. The progress of exsheathment over time was measured by repeated observations at 10-min (T. circumcincta) and 20-min (H. contortus) intervals for 60 min. Adult T. circumcincta worms were obtained from two donor goats and incubated with the extracts at 37 °C for 3 days in 48-well multiwell plates. Worm motility was measured at 0, 19, 24, 43, 48, 67 and 72 h. The extracts were tested at concentrations of 75, 150, 300, 600 and 1200 μg/mL. Incubation with E. cinerea, E. umbellata and mixed heather extracts had a significant (P<0.01) dose-dependent effect on T. circumcincta egg hatching. H. contortus egg hatching was significantly (P<0.01) inhibited only by the E. cinerea extract. All extracts had a significant (P<0.01) dose-dependent effect on the exsheathment of T. circumcincta and H. contortus infective larvae. The incubation with all heather extracts induced a reduction in adult T. circumcincta motility compared to the control, although significant (P<0.05) differences were only found at the highest concentration (1200 μg/mL). The effect of the mixed extract was significant at all concentrations and significant effects were also observed for C. vulgaris and E. umbellata at 600 μg/mL. These results show anthelmintic properties of heather phenolic extracts against T. circumcincta and H. contort, thus confirming observations from previous in vivo studies.
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Affiliation(s)
- J Moreno-Gonzalo
- SALUVET Group, Department of Animal Health, Faculty of Veterinary Sciences, Complutense University of Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain
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Martínez-Ortíz-de-Montellano C, Arroyo-López C, Fourquaux I, Torres-Acosta JFJ, Sandoval-Castro CA, Hoste H. Scanning electron microscopy of Haemonchus contortus exposed to tannin-rich plants under in vivo and in vitro conditions. Exp Parasitol 2012; 133:281-6. [PMID: 23246590 DOI: 10.1016/j.exppara.2012.11.024] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2012] [Revised: 11/16/2012] [Accepted: 11/26/2012] [Indexed: 10/27/2022]
Abstract
The structural changes induced in adult Haemonchus contortus after in vitro and in vivo contact with a tannin-rich (TR) plant, either tzalam (Lysiloma latisiliquum) or sainfoin (Onobrychis viciifolia), were assessed using scanning electron microscopy (SEM). All the worms used in the study were adult females. The Haemonchus adult worms were obtained from the abomasum of infected donor goats. Adult H. contortus were kept in contact with the extracts of TR plants for 24h for the in vitro assays and were compared to worms maintained in PBS (control). For the in vivo studies, the adult H. contortus parasites were obtained from artificially infected goats. All the goats were fed a tannin-free diet until D27 post-infection when infection was patent. On D28 some goats were fed fodder of one of the TR plants for seven consecutive days. Thus, their H. contortus were in contact with TR fodder within the gastrointestinal tract. The control worms were obtained from goats fed only a tannin-free diet. In the in vitro assays and in vivo studies, the SEM observations revealed structural alterations in the worms after contact with TR plants when compared to the control worms (i.e.: longitudinal and transversal folds and thicker cuticular ridges, material aggregates around the buccal capsule and/or vulva or anus). The main changes concerned the cuticle and the buccal area. The structural changes found in the worms exposed to TR plants might affect their motility and nutrition with possible consequences on their reproduction, as suggested by previous in vivo trials.
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Sandoval-Castro C, Torres-Acosta J, Hoste H, Salem A, Chan-Pérez J. Using plant bioactive materials to control gastrointestinal tract helminths in livestock. Anim Feed Sci Technol 2012. [DOI: 10.1016/j.anifeedsci.2012.07.023] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Lespine A, Chartier C, Hoste H, Alvinerie M. Endectocides in goats: Pharmacology, efficacy and use conditions in the context of anthelmintics resistance. Small Rumin Res 2012. [DOI: 10.1016/j.smallrumres.2011.10.013] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Brunet S, Fourquaux I, Hoste H. Ultrastructural changes in the third-stage, infective larvae of ruminant nematodes treated with sainfoin (Onobrychis viciifolia) extract. Parasitol Int 2011; 60:419-24. [DOI: 10.1016/j.parint.2010.09.011] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2010] [Revised: 09/06/2010] [Accepted: 09/13/2010] [Indexed: 10/17/2022]
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Hoste H, Martinez-Ortiz-De-Montellano C, Manolaraki F, Brunet S, Ojeda-Robertos N, Fourquaux I, Torres-Acosta JFJ, Sandoval-Castro CA. Direct and indirect effects of bioactive tannin-rich tropical and temperate legumes against nematode infections. Vet Parasitol 2011; 186:18-27. [PMID: 22188981 DOI: 10.1016/j.vetpar.2011.11.042] [Citation(s) in RCA: 141] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Parasitic infections with gastrointestinal nematodes (GINs) represent a major pathological threat associated with the outdoor production of various livestock species. Up to now, the control of these parasitic diseases essentially relied on the use of commercial anthelmintic drugs. However, resistance to anthelmintics is nowadays widespread in worm populations. Recent results indicate that bioactive tanniniferous plants represent a valuable option as an alternative to commercial drugs for the control of GINs. The pertinent use of tannin-containing fodders as nutraceuticals supposes a clear understanding of the mode of action against the worms. The objectives of this paper are: (1) to discuss the nature and quantity of the active molecules involved in the anthelmintic activity; and (2) to review and analyze the changes provoked to the various parasitic stages. The possible involvement of some main polyphenols to explain the bioactivity of some tannin-rich plants will be discussed as well as the possible effects on the various nematode stages, relying on data obtained either with the temperate forage, sainfoin (Onobrychis viciifoliae) or with the tropical legume tree (Lysiloma latisiliquum). The information on the mode of action will be related to the potential consequences for better field applications under entirely different environmental and ecological conditions of productions.
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Affiliation(s)
- H Hoste
- INRA, UMR 1225 Interactions Hôte Agents Pathogènes, F-31076 Toulouse, France.
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Azando E, Hounzangbé–Adoté M, Olounladé P, Brunet S, Fabre N, Valentin A, Hoste H. Involvement of tannins and flavonoids in the in vitro effects of Newbouldia laevis and Zanthoxylum zanthoxyloïdes extracts on the exsheathment of third-stage infective larvae of gastrointestinal nematodes. Vet Parasitol 2011; 180:292-7. [DOI: 10.1016/j.vetpar.2011.03.010] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2010] [Revised: 03/02/2011] [Accepted: 03/10/2011] [Indexed: 11/25/2022]
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