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Abd El-Hamid MI, El-Azzouny MM, El-Malt RMS, Elkenawy ME, Abdelwarith AA, Younis EM, Youssef W, Dawod RE, Elged DWAH, Habaka MAM, El Oksh ASA, Mekawy S, Davies SJ, Ibrahim D. Future impact of thymoquinone-loaded nanoemulsion in rabbits: prospects for enhancing growth, immunity, antioxidant potential and resistance against Pasteurella multocida. Front Vet Sci 2024; 10:1340964. [PMID: 38292130 PMCID: PMC10824920 DOI: 10.3389/fvets.2023.1340964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 12/26/2023] [Indexed: 02/01/2024] Open
Abstract
Phytochemical nanoemulsions, such as thymoquinone nanoemulsions (TQN), are regarded as innovative alternatives to antimicrobials that significantly improve the performance, digestion, antioxidant potential and immunity of rabbits. Thus, the potential effects of TQN on growth, digestibility, antioxidant potential, immunity and resistance against Pasteurella multocida (P. multocida) in rabbits were assessed. Herein, 240 rabbits were offered either a basal diet or diets fortified with three TQN-graded concentrations. At 60 days of age, rabbits were challenged with multidrug-resistant (MDR) virulent P. multocida strain. Our outcomes described that dietary inclusion of TQN, especially at higher concentrations, significantly enhanced the growth performance of rabbits, which was supported by increasing the levels of jejunal lipase, amylase and trypsin enzymes. Of note, the levels of muscle and jejunal antioxidant enzymes [superoxide dismutase (SOD), glutathione peroxidase (GPX), catalase (CAT) and total antioxidant capacity (T-AOC)], serum immunological markers (IgG, IgG, IgM and total Igs) and blood phagocytic percentage were significantly provoked after TQN fortification; meanwhile, the levels of muscle and jejunal MDA, serum biochemical parameters (total cholesterol, TG and LDL), abdominal fat percentage, breast and thigh cholesterol were significantly decreased following TQN supplementations. Our findings showed that TQN protected rabbits against P. multocida experimental challenge as evidenced by reducing P. multocida counts in rabbits' lungs, downregulating the transcription levels of P. multocida virulence-related genes (ptfA, toxA and nanB) at 48 and 96 h post-infection and ameliorating the expression levels of cytokines-related genes (IL-1β, IL-10, IL-8, IL-6, DEFB1, TNF-α, TLR-4 and TLR-2) at 96 h post-infection. Our findings suggest the utilization of TQN in rabbits' diets due to their stimulating effects on digestibility as well as their growth-promoting, anti-inflammatory, antioxidant, antibacterial, anti-virulence and immunostimulant properties, which enhance the rabbits' P. multocida resistance.
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Affiliation(s)
- Marwa I. Abd El-Hamid
- Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Mona M. El-Azzouny
- Department of Bacteriology, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Zagazig, Egypt
| | - Rania M. S. El-Malt
- Department of Bacteriology, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Zagazig, Egypt
| | - Mona E. Elkenawy
- Department of Biochemistry, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Mansoura, Egypt
| | | | - Elsayed M. Younis
- Department of Zoology, College of Science, King Saudi University, Riyadh, Saudi Arabia
| | - Wessam Youssef
- Department of Biotechnology, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Giza, Egypt
| | - Rehab E. Dawod
- Department of Bacteriology, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Damietta, Egypt
| | - Dalia W. A. H. Elged
- Toxicology and Biochemical Department, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Zagazig, Egypt
| | - Manal A. M. Habaka
- Department of Poultry and Rabbits Diseases, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Zagazig, Egypt
| | - Amal S. A. El Oksh
- Department of Biotechnology, Reference Laboratory for Quality Control of Poultry Production (RLQP), Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Zagazig, Egypt
| | - Soad Mekawy
- Department of Clinical Pathology, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Zagazig, Egypt
| | - Simon J. Davies
- Aquaculture Nutrition Research Unit (ANRU), Carna Research Station, College of Science and Engineering, Ryan Institute, University of Galway, Galway, Ireland
| | - Doaa Ibrahim
- Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
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Portilho FVR, Nóbrega J, de Almeida BO, Mota AR, de Paula CL, Listoni FJP, Bosco SMG, Oliveira AL, Cunha MDLRS, Ribeiro MG. Microbial Complexity of Oral Cavity of Healthy Dogs Identified by Mass Spectrometry and Next-Generation Sequencing. Animals (Basel) 2023; 13:2467. [PMID: 37570276 PMCID: PMC10417733 DOI: 10.3390/ani13152467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/10/2023] [Accepted: 05/29/2023] [Indexed: 08/13/2023] Open
Abstract
The high complexity of the oral microbiota of healthy dogs and the close exposure of humans to companion animals represent a risk of the transmission of potential zoonotic microorganisms to humans, especially through dog bites, including multidrug-resistant ones. Nonetheless, a limited number of comprehensive studies have focused on the diversity of the microorganisms that inhabit the oral cavities of healthy dogs, particularly based on modern molecular techniques. We investigated bacterial and fungal organisms in the oral cavities of 100 healthy dogs based on a combination of conventional and selective microbiological culture, mass spectrometry (MALDI-TOF MS), and next-generation sequencing. In addition, in vitro antimicrobial susceptibility patterns of isolates and mecA resistance gene were assessed. A total of 213 bacteria and 20 fungi were isolated. Staphylococcus pseudintermedius (40/100 = 40%), α-hemolytic Streptococcus (37/100 = 37%), and Pasteurella stomatis (22/100 = 22%) were the most prevalent bacteria diagnosed by microbiological culture and MALDI-TOF MS, whereas Aspergillus (10/100 = 10%) was the most common fungi identified. Based on next-generation sequencing of selected 20 sampled dogs, Porphyromonas (32.5%), Moraxella (16.3%), Fusobacterium (12.8%), Conchiformibius (9.5%), Bergeyella (5%), Campylobacter (3.8%), and Capnocytophaga (3.4%) genera were prevalent. A high multidrug resistance rate was observed in Staphylococcus pseudintermedius isolates, particularly to azithromycin (19/19 = 100%), penicillin (15/19 = 78.9%), and sulfamethoxazole/trimethoprim (15/19 = 78.9%). In addition, the mecA resistance gene was detected in 6.1% (3/49) of coagulase-positive staphylococci. Here, we highlight the microbial complexity of the oral mucosa of healthy dogs, including potential zoonotic microorganisms and multidrug-resistant bacteria, contributing with the investigation of the microbiota and antimicrobial resistance patterns of the microorganisms that inhabit the oral cavity of healthy dogs.
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Affiliation(s)
- Fábio V. R. Portilho
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, UNESP, Botucatu 18618-681, SP, Brazil; (B.O.d.A.); (A.R.M.); (C.L.d.P.); (F.J.P.L.); (M.G.R.)
| | - Juliano Nóbrega
- Department of Veterinary Clinical Sciences, School of Veterinary Medicine and Animal Sciences, UNESP, Botucatu 18618-681, SP, Brazil;
| | - Beatriz O. de Almeida
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, UNESP, Botucatu 18618-681, SP, Brazil; (B.O.d.A.); (A.R.M.); (C.L.d.P.); (F.J.P.L.); (M.G.R.)
| | - André R. Mota
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, UNESP, Botucatu 18618-681, SP, Brazil; (B.O.d.A.); (A.R.M.); (C.L.d.P.); (F.J.P.L.); (M.G.R.)
| | - Carolina L. de Paula
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, UNESP, Botucatu 18618-681, SP, Brazil; (B.O.d.A.); (A.R.M.); (C.L.d.P.); (F.J.P.L.); (M.G.R.)
| | - Fernando J. P. Listoni
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, UNESP, Botucatu 18618-681, SP, Brazil; (B.O.d.A.); (A.R.M.); (C.L.d.P.); (F.J.P.L.); (M.G.R.)
| | - Sandra M. G. Bosco
- Department of Chemical and Biological Sciences, Sector of Microbiology and Immunology, Institute of Biosciences, UNESP, Botucatu 18618-689, SP, Brazil (A.L.O.); (M.d.L.R.S.C.)
| | - Alana L. Oliveira
- Department of Chemical and Biological Sciences, Sector of Microbiology and Immunology, Institute of Biosciences, UNESP, Botucatu 18618-689, SP, Brazil (A.L.O.); (M.d.L.R.S.C.)
| | - Maria de Lourdes R. S. Cunha
- Department of Chemical and Biological Sciences, Sector of Microbiology and Immunology, Institute of Biosciences, UNESP, Botucatu 18618-689, SP, Brazil (A.L.O.); (M.d.L.R.S.C.)
| | - Márcio G. Ribeiro
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, UNESP, Botucatu 18618-681, SP, Brazil; (B.O.d.A.); (A.R.M.); (C.L.d.P.); (F.J.P.L.); (M.G.R.)
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High prevalence of antimicrobial resistance and multidrug resistance among bacterial isolates from diseased pets: Retrospective laboratory data (2015-2017). PLoS One 2022; 17:e0277664. [PMID: 36477195 PMCID: PMC9728933 DOI: 10.1371/journal.pone.0277664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 11/01/2022] [Indexed: 12/13/2022] Open
Abstract
Laboratory surveillance and the monitoring of antimicrobial resistance (AMR) trends and patterns among local isolates have been highly effective in providing comprehensive information for public health decision-making. A total of 396 cases along with 449 specimens were received for antibiotic susceptibility testing at a public university veterinary diagnostic laboratory in Malaysia between 2015 and 2017. Escherichia coli was the most frequently isolated (n = 101, 13%) bacteria, followed by Staphylococcus pseudintermedius (n = 97, 12%) and Streptococcus canis (n = 62, 8%). In cats, S. pseudintermedius isolates were highly resistant to azithromycin (90%), while the E. coli isolates were highly resistant to doxycycline (90%), tetracycline (81%), and cephalexin (75%). About 55% of S. pseudintermedius and 82% of E. coli were multi-drug resistant (MDR). In dogs, S. intermedius isolates were highly resistant to aminoglycosides neomycin (90.9%) and gentamicin (84.6%), and tetracycline (75%). Whereas the E. coli isolates were highly resistant to cephalexin (82.1%) and amoxicillin/clavulanic acid (76.5%). MDR was observed in 60% of S. intermedius and 72% of E. coli from dogs. Generally, the bacterial isolates from cats demonstrated higher levels of resistance to multiple antibiotics compared to those from dogs.
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Pumphrey SA, Wayne AS. Patterns of bacterial culture and antimicrobial susceptibility test results for dogs with retrobulbar abscesses: 133 cases (2002-2019). J Am Vet Med Assoc 2022; 260:1-9. [PMID: 35175928 DOI: 10.2460/javma.21.04.0180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate patterns of bacterial culture and antimicrobial susceptibility test results for dogs with retrobulbar abscesses and generate recommendations for empirical antimicrobial selection. ANIMALS 133 dogs examined between 2002 and 2019. PROCEDURES Records were retrospectively reviewed to determine type of bacterial culture, number and type of bacterial isolates, antimicrobial susceptibility test results, concurrent and recent antimicrobial exposure, effect of culture results on antimicrobial regimen, and outcome. RESULTS Aerobic culture alone was performed in 37 dogs, and aerobic and anaerobic culture was performed in 96 dogs. Isolates were recovered from 96 dogs, with multiple isolates recovered from 54 (56%) of those dogs. Of the 69 dogs for which both aerobic and anaerobic culture was performed and at least 1 isolate was obtained, 34 (49%) had purely aerobic infections, 15 (22%) had mixed aerobic and anaerobic infections, and 20 (29%) had purely anaerobic infections. Pasteurella spp (n = 26), Streptococcus spp (20), and Escherichia coli (12) were the most common aerobic isolates. Bacteroides spp (n = 22), Actinomyces spp (10), and Fusobacterium (10) spp were the most common anaerobic isolates. Susceptibility test results led to changes in the antimicrobial regimen in 37 of 80 (46%) dogs. Of the 76 dogs for which outcome information was available, 78 (97%) recovered. CLINICAL RELEVANCE Multipathogen and anaerobic infections were common in dogs with retrobulbar abscesses. Susceptibility data supported the use of amoxicillin-clavulanate or a combination of clindamycin and enrofloxacin as first-line treatments. Additional study is needed to characterize anaerobic antimicrobial susceptibilities and to compare results of susceptibility testing with in vivo responses to antimicrobial administration.
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Abstract
Respiratory disorders are very common in rabbits. Rabbits are obligate nasal breathers, so "simple" rhinitis can cause severe respiratory distress and patient collapse. Causes of dyspnea could be of primary origin or secondary, whereby diseases primarily affecting other organs can result in respiratory embarrassment even if the respiratory system is healthy (eg, anemia, cardiac disease). Diagnosis is based on radiography, ultrasonography, endoscopy, computed tomography, and/or pathogen isolation. Once the diagnosis has been completed, treatment options should be discussed with the owner. The article describes the anatomy of the respiratory tract, diagnostics, and therapy for selected respiratory disorders in rabbits.
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Affiliation(s)
- Vladimír Jekl
- Jekl & Hauptman Veterinary Clinic, Focused on Exotic Companion Mammal Care, Mojmirovo namesti 3105/6a, Brno 61200, Czech Republic; Department of Pharmacology and Pharmacy, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences Brno, Brno 61242, Czech Republic.
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Razali K, Kaidi R, Abdelli A, Menoueri MN, Ait-Oudhia K. Oral flora of stray dogs and cats in Algeria: Pasteurella and other zoonotic bacteria. Vet World 2020; 13:2806-2814. [PMID: 33488002 PMCID: PMC7811559 DOI: 10.14202/vetworld.2020.2806-2814] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 11/23/2020] [Indexed: 01/21/2023] Open
Abstract
Background and Aim: Knowledge of potentially pathogenic bacteria presents in the oral cavity of dogs and cats may be helpful in determining appropriate treatment for infected bite wounds. About 120.000 people are exposed to dog and cat bites every year in Algeria, but little is known about the dog and cat oral flora causing bite wound complications. The purpose of this study was to identify potential zoonotic bacteria from oral cavity of dogs and cats and to determine their susceptibility to antibiotics to contribute to the treatment of bite wound infection. Materials and Methods: Oral swabs from 100 stray dogs and 100 stray cats were collected and cultured in several media: Chocolate agar, MacConkey agar, and Mannitol Salt Agar. Bacterial isolates were identified using several commercial kits of the analytical profile index and tested for antibiotic susceptibility by disk diffusion method. Results: Overall, 185/200 (92.5%) dogs and cats carried zoonotic bacteria in their mouths, of which 55.13% (102/185) had at least two bacterial pathogens. 374 pathogenic strains belonging to 15 genera were isolated: Eleven were Gram-negative (Proteus, Pasteurella, Escherichia, Moraxella, Klebsiella, Acinetobacter, Enterobacter, Pseudomonas, Aeromonas, and NeisseriaHaemophilus) and four were Gram-positive (Staphylococcus, Streptococcus, and Corynebacterium, Bacillus). Fifty-one strains of Pasteurella were isolated from 44 carriers of Pasteurella (21 Pasteurella multocida, 21 Pasteurella pneumotropica, and 9 Pasteurella spp.). Pasteurella strains were tested for antibiotic resistance. Resistance to at least one drug was observed in 8 (15.68%) of Pasteurella isolates and two strains (3.92%) were found to be multidrug-resistant (to two or more drugs). Erythromycin, penicillin, and ampicillin were the antimicrobials to which the isolates showed greater resistance (7.84%, 5.88%, and 3.92%, respectively). Conclusion: To the best of our knowledge, this study is the first in Algeria to detect potential human pathogenic bacteria in the oral cavity of dogs and cats. It reveals that these animals have multiple zoonotic bacteria in their mouths including Pasteurella species, which may be multidrug-resistant.
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Affiliation(s)
- Kahina Razali
- Laboratory of Animal Reproduction Biotechnologies, Blida, Algeria.,Department of Veterinary Sciences, Institute of Veterinary Sciences, Université Saad Dahlab de Blida 1, Blida, Algeria
| | - Rachid Kaidi
- Laboratory of Animal Reproduction Biotechnologies, Blida, Algeria
| | - Amine Abdelli
- Department of Agriculture Science, Bouira University, Bouira, Algeria
| | - Mohamed Nabil Menoueri
- Department of Veterinary Sciences, Institute of Veterinary Sciences, Université Saad Dahlab de Blida 1, Blida, Algeria
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Bourély C, Cazeau G, Jouy E, Haenni M, Madec JY, Jarrige N, Leblond A, Gay E. Antimicrobial resistance of Pasteurella multocida isolated from diseased food-producing animals and pets. Vet Microbiol 2019; 235:280-284. [PMID: 31383313 DOI: 10.1016/j.vetmic.2019.07.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 07/11/2019] [Accepted: 07/19/2019] [Indexed: 12/29/2022]
Abstract
Surveillance of Pasteurella multocida resistance in food-producing animals is essential to guide the first-line treatment of respiratory diseases and to limit economic losses. Since Pasteurella are the most common bacteria isolated from dog and cat bites, this surveillance is also needed to guide treatment in humans in case of bites. The aim of this study was to characterize the phenotypic resistance of P. multocida strains isolated from respiratory infections in animals, including both food-producing animals and pets. Data collected between 2012 and 2017 by the French national surveillance network for antimicrobial resistance referred to as RESAPATH were analyzed. The proportions of resistance to antimicrobials of relevance in veterinary and human medicines were estimated for each animal species. For cattle, resistance trends over the period were investigated using non-linear analysis applied to time-series. In total, 5356 P. multocida isolates were analyzed. Proportions of resistance of P. multocida were almost all below 20% over the period, and, more precisely, all resistance proportions were below 10% for rabbits, sheep and dogs. The highest resistance proportions to enrofloxacin were identified for cattle (4.5%) and dogs (5.2%). Despite its frequent use in livestock, resistance to florfenicol was less than 1% in P. multocida strains, regardless of the animal species considered. Time series analyses revealed continuous increases in resistance to tetracycline, tilmicosin, flumequine and fluoroquinolones in P. multocida strains isolated from cattle. These trends contrast with the decrease in use of antibiotics in cattle in France and with the decrease in resistance observed in E. coli isolated from diseased cattle.
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Affiliation(s)
- Clémence Bourély
- École Nationale des Services Vétérinaires, VetAgro Sup, 69280 Marcy l'Étoile, France; Université de Lyon, ANSES, Laboratoire de Lyon, Unité Épidémiologie et appui à la surveillance, 31 avenue Tony Garnier, 69007 Lyon, France; EPIA, UMR Epidémiologie des Maladies Animales et Zoonotiques, INRA, VetAgro Sup, Université de Lyon, 69280, Marcy L'Etoile, France
| | - Géraldine Cazeau
- Université de Lyon, ANSES, Laboratoire de Lyon, Unité Épidémiologie et appui à la surveillance, 31 avenue Tony Garnier, 69007 Lyon, France
| | - Eric Jouy
- ANSES, Laboratoire de Ploufragan-Plouzané-Niort, Unité Mycoplasmologie, Bactériologie et Antibiorésistance, Université Bretagne Loire, Technopôle Saint-Brieuc Armor, 22440 Ploufragan, France
| | - Marisa Haenni
- Université de Lyon, ANSES, Laboratoire de Lyon, Unité Antibiorésistance et Virulence Bactériennes, 31 avenue Tony Garnier, Lyon 69007, France
| | - Jean-Yves Madec
- Université de Lyon, ANSES, Laboratoire de Lyon, Unité Antibiorésistance et Virulence Bactériennes, 31 avenue Tony Garnier, Lyon 69007, France
| | - Nathalie Jarrige
- Université de Lyon, ANSES, Laboratoire de Lyon, Unité Épidémiologie et appui à la surveillance, 31 avenue Tony Garnier, 69007 Lyon, France
| | - Agnès Leblond
- EPIA, UMR Epidémiologie des Maladies Animales et Zoonotiques, INRA, VetAgro Sup, Université de Lyon, 69280, Marcy L'Etoile, France
| | - Emilie Gay
- Université de Lyon, ANSES, Laboratoire de Lyon, Unité Épidémiologie et appui à la surveillance, 31 avenue Tony Garnier, 69007 Lyon, France.
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