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Cunto M, Ballotta G, Zambelli D. Semen Collection and Evaluation in Two Tigers ( Panthera tigris) and Two Leopards ( Panthera pardus). Animals (Basel) 2024; 14:2381. [PMID: 39199915 PMCID: PMC11350672 DOI: 10.3390/ani14162381] [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: 07/08/2024] [Revised: 08/08/2024] [Accepted: 08/14/2024] [Indexed: 09/01/2024] Open
Abstract
Assisted reproduction techniques play a significant role in veterinary medicine, and although they are widely used in domestic animals, they are also becoming increasingly relevant in clinical practice for wild felids, especially in the conservation efforts for endangered species. In this study, the result of two semen collection techniques, urethral catheterization after pharmacological induction (Ur.Ca.P.I.) and electroejaculation, are described, aiming to provide new practical information about sperm collection using the Ur.Ca.P.I. technique and electroejaculation in tigers and leopards, describing the authors' experience and presenting new data and observations. The following descriptive study included two subjects of Panthera tigris species and two of Panthera pardus. These subjects, after general anesthesia, underwent sperm collection initially with Ur.Ca.P.I. and, subsequently, with electroejaculation. Sampling was made possible in both species thanks to the use of electroejaculation. Sperm volumes in leopards ranged from 0.3 to 0.5 mL and in tigers from 0.5 to 2.177 mL. Sperm concentration in leopards ranged from 136 × 106 to 280 × 106 sperm/mL, and in tigers, from 21.5 × 106 to 354 × 106 sperm/mL. Urethral catheterization gave positive results in leopards, with sperm volumes ranging from 25 up to 150 µL and a concentration ranging from 110 × 106 up to 1082 × 106 sperm/mL. In tigers, unlike in leopards, the use of the Ur.Ca.P.I. technique encountered difficulties that did not allow satisfactory results to be obtained. Therefore, it would be useful to test the feasibility of urethral catheterization on a larger group of individuals in order to have more meaningful feedback. Finally, because electroejaculation always allowed semen collection in tigers, with a higher sperm quality than samples collected by Ur.Ca.P.I., we currently consider it the technique of choice for the collection of semen material in this species.
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Affiliation(s)
| | - Giulia Ballotta
- Department of Veterinary Medical Science, University of Bologna, Ozzano dell’Emilia, 40064 Bologna, Italy; (M.C.); (D.Z.)
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Carneiro JDS, Motheo TF. Pharmacological semen collection in domestic and wild canids and felids: literature review. Anim Reprod 2024; 20:e20230036. [PMID: 38380384 PMCID: PMC10878541 DOI: 10.1590/1984-3143-ar2023-0036] [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: 03/10/2023] [Accepted: 12/11/2023] [Indexed: 02/22/2024] Open
Abstract
Semen collection methods vary greatly and rely on the practitioner's expertise, available materials, and the specific behavioral traits of the male animals involved. When it comes to domestic cats, wild felids, and canids, semen collection is particularly challenging. Thus, given the difficulty of semen collection in these species, pharmacological semen collection (PSC) stands out since it is a quick and straightforward method that does not require specific equipment. The PSC consists of administering α2-adrenergic receptor agonist drugs, mainly medetomidine, and dexmedetomidine, aiming semen release into the urethra with posterior urethral catheterization and sperm recovery. This technique was primarily described in domestic cats and wild felids, and despite the decreased seminal volume, the retrieved semen is highly concentrated and presents good quality. However, further studies are required to optimize semen collection in domestic dogs and wild canids. Therefore, the purpose of this review is to provide a comprehensive overview of the research developed on pharmacological semen collection (PSC) in the past few decades. The objective is to equip professionals with the essential knowledge required for the efficient application of this technique in both domestic and wild canids and felids and to make a valuable contribution to conservation efforts and the preservation of biodiversity, aligning with the principles of One Conservation.
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Hidalgo MMT, de Almeida ABM, Dos Santos Silva LA, Greghi JR, Silva VW, Sambatti NR, Trautwein LGC, Martins MIM. Comparison of two pharmacological semen collection times with α2-adrenergic agonist in domestic cats. Reprod Domest Anim 2023; 58:1207-1213. [PMID: 37386933 DOI: 10.1111/rda.14420] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/23/2023] [Accepted: 06/27/2023] [Indexed: 07/01/2023]
Abstract
The use of α2-adrenergic agonists in association with urethral catheterization has been used as a technique for pharmacological semen collection in cats. The mechanism of action of this drug is the stimulation of adrenoreceptors in the vas deferens, which results in ejaculation. While medetomidine is the α2-agonist most commonly used in studies, ejaculation with the use of dexmedetomidine associated with ketamine has been effective, but with variable results. Therefore, further studies regarding the methodology of use are required to obtain better seminal quality. This study aimed to compare two pharmacological semen collection times after the association of dexmedetomidine (30 μg/kg, IM; Dormitor®, Zoetis), ketamine (5 mg/kg, IM; ketamine, Vetnil) and urethral catheterization using a tomcat probe (0.8 mm × 1.00 mm × 11 cm). The collections were divided into two experimental groups: G10 (N = 8; urethral catheterization after 10 min of anaesthesia) and G15 (N = 8; urethral catheterization after 15 min of anaesthesia). The ejaculates were evaluated for ejaculate volume, sperm concentration, morphology and kinetics using the CASA system. To compare the groups, the t-test and the Mann-Whitney U-test were used with a significance level of 5%. It was identified that ejaculate volume (G10: 22.62 ± 2.13 vs. G15: 26.81 ± 1.55; p < .001) and sperm concentration (G10: 48.10 × 106 ± 17.84 vs. G15: 90.18 × 106 ± 19.35; p < .001) was higher in G15 than in G10 and had a lower percentage of minor defects than G10 (G10: 3.12 ± 2.41 vs. G15: 1.00 ± 1.19; p = .043). Regarding the kinetic parameters, the results of G15 were better for total motility-TM (G10: 67.00 ± 10.33 vs. G15: 81.87 ± 7.99; p = .006) and faster cells-RAPID: (G10: 55.00 ± 16.63 vs. G15: 74.25 ± 11.94; p = .019); whereas a higher proportion of cells with slow speed-SLOW were seen in G10 (G10: 31.00 ± 12.07 vs. 17.12 ± 7.53; p = .015). Based on these findings, we suggest that collection via urethral catheterization should be performed 15 min after the application of ketamine-associated dexmedetomidine to obtain a better-quality ejaculate.
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Affiliation(s)
| | | | | | - Julia Rodrigues Greghi
- Laboratório de Andrologia e Reprodução Animal Assistida - LARAA, Londrina, Paraná, Brazil
| | - Vinícius Wagner Silva
- Laboratório de Andrologia e Reprodução Animal Assistida - LARAA, Londrina, Paraná, Brazil
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Relation of seminal plasma trace mineral in the Arabian stallion's semen with the semen characteristics and subsequent fertility. Heliyon 2022; 8:e11128. [PMID: 36303913 PMCID: PMC9593185 DOI: 10.1016/j.heliyon.2022.e11128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 04/12/2022] [Accepted: 10/12/2022] [Indexed: 11/06/2022] Open
Abstract
Background Seminal plasma contains several microelements like Zn, Fe, Se, and Cu that affect sperm motility and male fertility. Biochemical evaluation of seminal plasma trace elements is important for assessing fertility and diagnosing male infertility. Aims The present study was designed to evaluate the effect of seminal fluid trace elements on sperm parameters and fertility in Arabian horses. Methods Ninety-four ejaculates from 25 Arabian stallions (4–27 years old) were used to investigate the effect of seminal fluid trace elements on semen parameters and fertility. Data divided according to season, stallion age, and fertility of stallions. The concentrations of Zn, Fe, Se, Cu, Cr and Mo were determined using an atomic absorption spectrophotometer. Percentage stallion fertility estimated by mares that conceived on their first cycle. Data were analyzed by ANOVA using SPSS statistical software program (2013), version 22.0. Results There was a significant effect of season on semen volume, pH, Fe, Se, Cu, Cr, and Mo. Stallion age had a significant effect on pH, sperm motility, concentration, total motile sperm count, sperm abnormalities, Zn, and Fe. Sperm motility was higher (P < 0.05) and sperm abnormalities were lower (P < 0.05) in group IV (>70% fertility) than in group I (infertile) and group II (<50% fertility). Sperm abnormalities were low in group IV and high in groups I and II. Seminal plasma Zn and Cu levels were higher (P < 0.05) in groups III (50_70% fertility) and IV than in group I. Fe levels were lower (P < 0.05) in group IV than in groups I, II, and III. Seminal plasma Mo concentrations were higher (P < 0.05) in group III than in group I. Conclusions High seminal plasma concentrations of Zn, Se, Cu, and Mo and low Fe concentrations are associated with improved stallions' semen parameters and fertility.
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Abstract
PRACTICAL RELEVANCE An infertile tom used to be a relatively rare presentation in feline practice. However, as a result of breeding strategies targeting specific morphological/behavioural traits, and the influence of inbreeding (especially practised in rare breeds), among other factors, feline infertility has become a genuine clinical problem. Furthermore, increased interest among cat breeders and pet owners in diagnosing and treating an 'unsuccessful' tom (including using assisted reproductive techniques [ARTs]), has made such patients more commonplace in veterinary practice. CLINICAL CHALLENGES A definitive cause for male infertility is often difficult to identify. One of the biggest challenges is the lack of fertility-based reference values for semen quality and hormone levels. Moreover, the literature in this field is scant and many reproductive tract conditions described in other species have not been reported in cats. The establishment of diagnostic tools and algorithms is essential to facilitate a reliable assessment of fertility potential. GLOBAL IMPORTANCE There is a growing demand for appropriate veterinary care relating to feline reproduction. There is an expectation among breeders, particularly of pedigree cats of high breeding value, that the same options widely used for dogs (including ARTs) should also be available for cats. EQUIPMENT AND TECHNICAL SKILLS Equipment required for investigating male infertility includes a microscope and ultrasound machine; a blood analyser may also be useful, but samples can instead be sent to a laboratory. The skills required are often already performed by veterinarians; for example, catheterising the urethra, performing ultrasonography and blood sampling. EVIDENCE BASE There are some reports of fertility problems in male cats in the literature, but this area of feline reproduction is still relatively undeveloped. This review draws on the comprehensive knowledge developed and shared by specialists in this field, and is supported by the authors' own clinical experience.
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Affiliation(s)
- Sylwia Prochowska
- Department of Reproduction and Clinic of Farm Animals, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - Wojciech Niżański
- Department of Reproduction and Clinic of Farm Animals, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
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Tiptanavattana N, Pakdeesanaeha T, Thongsima T, Techarungchaikul S, Tharasanit T. Expression of oxytocin receptors and oxytocin assisted electroejaculation in the domestic cat (Felis catus). Reprod Domest Anim 2022; 57:489-497. [PMID: 35044000 DOI: 10.1111/rda.14085] [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: 07/28/2021] [Accepted: 01/14/2022] [Indexed: 11/25/2022]
Abstract
Oxytocin is a peptide hormone that mainly functions to control the contractility of smooth muscles and sex related steroidogenesis in male reproductive tracts. However, specific information concerning this hormone in controlling the reproductive organs of cats is limited. This study aimed to investigate the expression of oxytocin receptors (OTRs) and their signal mediator via prostacyclin synthase (PTGIS) in reproductive structures following oxytocin assisted electroejaculation. In Experiment 1, the testis, cauda epididymis and vas deferens from five cats were examined by immunohistochemistry and quantitative polymerase chain reaction in order to study the responses of OTR and PTGIS mRNA to oxytocin injection. Experiment 2 examined the effect of oxytocin administration prior to electroejaculation on ejaculate characteristics and sperm quality in terms of motility, viability and fertilising ability. Immunohistochemistry revealed the expression of OTRs in Leydig's, peritubular myoid cells and some spermatogenic cells. The expression was found in the epithelium and smooth muscle of the epididymis and vas deferens. After oxytocin administration, the OTR mRNA was upregulated in the epididymis (p > 0.05) and vas deferens (p = 0.01). The expression level of PTGIS mRNA increased in the response to oxytocin treatment only for the vas deferens (p > 0.05). Oxytocin treatment before electroejaculation resulted in an approximately two-fold increase in sperm concentration and total sperm output/ejaculate, while this intervention did not significantly affect ejaculate volume, sperm quality or fertilising ability. This study concluded that the oxytocin cascade is locally present in the reproductive structures and plays a role in promoting sperm delivery during electroejaculation in cats.
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Affiliation(s)
- Narong Tiptanavattana
- Faculty of Veterinary Science, Prince of Songkla University, Songkhla, 90110, Thailand
| | - Thitida Pakdeesanaeha
- Division of Obstetrics, Gynaecology and Reproduction, Small Animal Teaching Hospital, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Thitiporn Thongsima
- Division of Obstetrics, Gynaecology and Reproduction, Small Animal Teaching Hospital, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Sirichai Techarungchaikul
- Division of Obstetrics, Gynaecology and Reproduction, Small Animal Teaching Hospital, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Theerawat Tharasanit
- Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand.,Veterinary Clinical Stem Cells and Bioengineering Research Unit, Chulalongkorn University
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Madrigal-Valverde M, Bittencourt RF, Ribeiro Filho ADL, Barbosa VF, Vieira CA, Romão EA, Carneiro IB, Azevedo MC, Araujo GR. Quality of domestic cat semen collected by urethral catheterization after the use of different alpha 2-adrenergic agonists. J Feline Med Surg 2021; 23:745-750. [PMID: 33206029 PMCID: PMC10812191 DOI: 10.1177/1098612x20973183] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVES We compared the effects of two alpha (α)2-adrenergic agonists on semen traits. METHODS In this study, 13 adult domestic cats were divided into two experimental groups, according to the chemical ejaculation protocol used: the first group received medetomidine hydrochloride (100 µg/kg) and ketamine (5000 µg/kg); the second group received dexmedetomidine hydrochloride (25 µg/kg) and ketamine (5000 µg/kg), both by the intramuscular route. RESULTS The animals responded positively (P >0.05) to chemical collection. Seminal parameters evaluated included volume, sperm vigor, total motility, progressive motility, sperm concentration, and the structural and functional integrity of the plasma membrane; sperm morphology values did not differ between groups (P >0.05). CONCLUSIONS AND RELEVANCE The results indicated that dexmedetomidine is a more viable and economical alternative to medetomidine in domestic cats submitted to semen collection by urethral catheterization. Semen collection by urethral catheterization after using α2-adrenergic agonists is a recently developed technique in feline species that is considered to be quick and highly applicable to assisted reproduction programs in felids.
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Affiliation(s)
- Mónica Madrigal-Valverde
- School of Agronomy, Costa Rica Institute of Technology, CTLSC, San Carlos, Alajuela, Costa Rica
- Animal Sciences Department, University of Costa Rica, Campus Rodrigo Facio, San Jose, Costa Rica
| | - Rodrigo F Bittencourt
- School of Veterinary and Animal Science Medicine, Federal University of Bahia, Salvador, Brazil
| | | | - Vivian F Barbosa
- Departament Anatomy, Pathology and Clinics, Renato R de Madeiros Veterinary Hospital, Federal University of Bahia, Salvador, Brazil
| | - Catharina A Vieira
- Departament Anatomy, Pathology and Clinics, Renato R de Madeiros Veterinary Hospital, Federal University of Bahia, Salvador, Brazil
| | - Elton A Romão
- Departament Anatomy, Pathology and Clinics, Renato R de Madeiros Veterinary Hospital, Federal University of Bahia, Salvador, Brazil
| | - Isabella B Carneiro
- Departament Anatomy, Pathology and Clinics, Renato R de Madeiros Veterinary Hospital, Federal University of Bahia, Salvador, Brazil
| | - Milena C Azevedo
- Departament Anatomy, Pathology and Clinics, Renato R de Madeiros Veterinary Hospital, Federal University of Bahia, Salvador, Brazil
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Ackermann CL, Lopes MD. Training tom cats for semen collection using an artificial vagina: a retrospective study. J Feline Med Surg 2020; 22:1155-1159. [PMID: 32228276 PMCID: PMC10814366 DOI: 10.1177/1098612x20913351] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/20/2020] [Indexed: 11/16/2022]
Abstract
OBJECTIVES Owing to the lack of literature on training cats to use an artificial vagina (AV), we performed a retrospective study on the success of training tom cats for semen collection using an AV. METHODS Records from training 20 cats (2009 until 2019) for semen collection using AVs were analyzed. Sexual preferences, behavior towards humans, queens and other tom cats, as well as libido, number of training sessions and rate of success were observed. Data are presented as percentages and the results are described subjectively. RESULTS In 85% of tom cats, collection using an AV was performed successfully. Training was unsuccessful when libido was low or absent. Behavior towards humans did not interfere with the success rate, while libido did. CONCLUSIONS AND RELEVANCE Most tom cats can be successfully trained to have semen collected using an AV; the number of training sessions required depends on the male's libido and the technician's experience.
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Affiliation(s)
- Camila L Ackermann
- Department of Animal Reproduction and Veterinary Radiology, Faculty of Veterinary Medicine and Animal Science, FMVZ / UNESP, Botucatu, Brazil
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García MF, Nuñez Favre R, Stornelli MC, Rearte R, García Mitacek MC, de la Sota RL, Stornelli MA. Relationship between semen quality and seminal plasma cholesterol, triacylglycerols and proteins in the domestic cat. J Feline Med Surg 2020; 22:882-889. [PMID: 31782351 PMCID: PMC10814404 DOI: 10.1177/1098612x19889072] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVES The current study aimed to evaluate the relationship between specific seminal plasma components - cholesterol (CHOL), triacylglycerols (TAG) and total protein (PROT) concentrations - and semen quality in cats. A further aim was to determine the relationship between specific seminal protein bands and semen quality. METHODS Thirteen toms, 2-5 years of age, were included. Semen collection was performed by electroejaculation every 4 weeks. Fifty-eight ejaculates were assessed for motility, velocity, volume, sperm concentration, total sperm count, viability, acrosome integrity, plasma membrane integrity and sperm morphology. Samples were divided into two groups: good semen quality (GSQ) and poor semen quality (PSQ). After evaluation, seminal plasma was separated from the sperm by centrifugation and stored at -20°C. CHOL, TAG and PROT concentrations were then assessed and seminal plasma protein profile was determined by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). RESULTS Seminal plasma CHOL and TAG concentrations, motility, velocity, sperm concentration, total sperm count and sperm morphology were significantly higher in GSQ cats compared with PSQ cats (P <0.01). Moreover, seminal plasma SDS-PAGE analysis showed an identifiable extra band exclusively in the GSQ group. CONCLUSIONS AND RELEVANCE Data obtained in this study showed that seminal plasma CHOL and TAG concentrations and specific protein bands could be used to improve semen evaluation in toms. In this sense, the 14 kDa protein band could be a valuable marker for semen quality in the cat and should be further investigated. However, more studies are necessary to determine its relationship with fertility.
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Affiliation(s)
- María F García
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz, Argentina
- Animal Reproduction Service, Faculty of Veterinary Science, National University of La Plata, La Plata, Buenos Aires, Argentina
| | - Romina Nuñez Favre
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz, Argentina
- Animal Reproduction Service, Faculty of Veterinary Science, National University of La Plata, La Plata, Buenos Aires, Argentina
| | - María C Stornelli
- Animal Reproduction Service, Faculty of Veterinary Science, National University of La Plata, La Plata, Buenos Aires, Argentina
| | - Ramiro Rearte
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz, Argentina
- Epidemiology and Public Health, Faculty of Veterinary Science, National University of La Plata, La Plata, Buenos Aires, Argentina
| | - María C García Mitacek
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz, Argentina
- Animal Reproduction Service, Faculty of Veterinary Science, National University of La Plata, La Plata, Buenos Aires, Argentina
| | - Rodolfo L de la Sota
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz, Argentina
- Animal Reproduction Service, Faculty of Veterinary Science, National University of La Plata, La Plata, Buenos Aires, Argentina
| | - María A Stornelli
- Animal Reproduction Service, Faculty of Veterinary Science, National University of La Plata, La Plata, Buenos Aires, Argentina
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Madrigal-Valverde M, Bittencourt RF, de Lisboa Ribeiro Filho A, Araujo GR, Lents MP, Santos ES, Lima AS, Mattos P. Can amides be alternative cryoprotectors for the preservation of feline semen? Cryobiology 2020; 97:138-143. [PMID: 32976815 DOI: 10.1016/j.cryobiol.2020.09.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/15/2020] [Accepted: 09/17/2020] [Indexed: 11/19/2022]
Abstract
Sperm cryopreservation is a tool for the conservation of the genetic material of animals of genetic importance or for species preservation. In the case of domestic cats, this can be used to generate information about seminal harvest, evaluation and preservation, which is especially important due to its applicability to wild felids. This study evaluated seminal samples harvested by urethral catheterisation from 13 adult domestic cats. Samples were cryopreserved with experimental groups of extenders were defined by the penetrating cryoprotectant: 6% glycerol (GLY6%), 3% dimethylacetamide (DMA3%) and 3% dimethylformamide (DMF3%). The samples were thawed and evaluated by conventional microscopy and by computer-assisted sperm analysis (CASA). The structural and functional membrane integrity was assessed by supravital tests (EOS), hypoosmotic swelling tests (HOST) and flow cytometry (FC). There was a correlation (P < 0.05) between total motility and EOS (r = 0.54), HOST and FC (r = -0.62) and total motility and flow cytometry (r = 0.63), indicating that these are complementary parameters that increase the accuracy of the feline sperm quality evaluation post-thaw. The results regarding the structural and functional integrity of the sperm plasma membrane did not differ (P > 0.05) among groups. However, the DMA3% group had a lower (P < 0.05) percentage of morphological changes in the sperm tail compared to samples cryopreserved with GLY6% and DMF3%. Additionally, DMA3% provided lower values of immobile sperm post-thaw when compared to DMF3%. DMA is an interesting alternative to GLY and superior to DMF for the cryopreservation of feline semen at the studied concentrations.
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Affiliation(s)
- Mónica Madrigal-Valverde
- School of Agronomy, Costa Rica Institute of Technology, CTLSC, 223-21001, San Carlos, Costa Rica; Animal Science Department, University of Costa Rica, Campus Rodrigo Facio, 1501-2060, San José, Costa Rica
| | - Rodrigo F Bittencourt
- School of Veterinary and Animal Science Medicine, Federal University of Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil.
| | - Antônio de Lisboa Ribeiro Filho
- School of Veterinary and Animal Science Medicine, Federal University of Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Gediendson R Araujo
- Federal University of Mato Grosso do Sul, Avenida Senador Filinto Muller - de 932/933 ao fim, Vila Ipiranga, 79074460, Campo Grande, MS, Brazil
| | - Maicon P Lents
- School of Veterinary and Animal Science Medicine, Federal University of Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Elisiane S Santos
- School of Veterinary and Animal Science Medicine, Federal University of Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Adrielle S Lima
- School of Veterinary and Animal Science Medicine, Federal University of Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Paulo Mattos
- Instituto Gonçalo Moniz, Fundação Osvaldo Cruz, CEP 40296-710, Salvador, Bahía, Brazil; Faculdade de Medicina da Bahia, Universidade Federal da Bahia, CEP 40110905, Salvador, Bahía, Brazil
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Kuczmarski AH, Alves de Barros M, Souza de Lima LF, Motheo TF, Bento HJ, Iglesias GA, Sônego DA, Rodrigues da Paz RC. Urethral catheterization after pharmacological induction for semen collection in dog. Theriogenology 2020; 153:34-38. [PMID: 32417609 DOI: 10.1016/j.theriogenology.2020.04.035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 04/08/2020] [Accepted: 04/23/2020] [Indexed: 10/24/2022]
Abstract
The α-adrenergic agents are known to influence erection and ejaculation, and ejaculatory reflex is a primarily α-adrenergically mediated event. This paper aims to describe the urethral catheterization technique after pharmacological induction for semen collection in domestic dogs. For dose determination, semen collection was performed using increasing doses of dexmedetomidine (5 μg/kg, n = 2; 10 μg/kg, n = 2 and 15 μg/kg, n = 2) associated to 3 mg/kg ketamine in six animals. Once the dose was established, additional semen collection using association of 15 μg/kg dexmedetomidine and 3 mg/kg ketamine was carried out in eight dogs. After the procedure, sperm volume (0.092 ± 0.03 mL), total motility (58.33 ± 8.7%), vigor (1.89 ± 0.309), sperm concentration (1186.67 ± 304.667 × 106 sperm/mL), sperm plasma membrane integrity (83.22 ± 4.82%), acrosomal integrity (73 ± 6.187%) and normal sperm morphology (53.22 ± 5.6%) were assessed. Thus, this study demonstrates that urethral catheterization after pharmacological ejaculation using dexmedetomidine-ketamine association can be performed in dogs and it may be possible to obtain good semen quality, despite urine contamination.
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Affiliation(s)
- Antonio Henrique Kuczmarski
- Wildlife Research Laboratory, Faculty of Veterinary Medicine, Federal University of Mato Grosso, Cuiabá, 78060-900, Brazil.
| | - Marisol Alves de Barros
- Veterinary Clinical Pathology Laboratory, Faculty of Veterinary Medicine, Federal University of Mato Grosso, Cuiabá, 78060-900, Brazil
| | - Luiz Felipe Souza de Lima
- Department of Veterinary Surgery, Faculty of Veterinary Medicine, Federal University of Mato Grosso, Cuiabá, 78060-900, Brazil
| | - Tathiana Ferguson Motheo
- Postgraduate Program in Animal Science, Faculty of Agronomy and Zootechinic, Federal University of Mato Grosso, Cuiabá, 78060-900, Brazil
| | - Heitor José Bento
- Wildlife Research Laboratory, Faculty of Veterinary Medicine, Federal University of Mato Grosso, Cuiabá, 78060-900, Brazil
| | - Gabriella Accardi Iglesias
- Wildlife Research Laboratory, Faculty of Veterinary Medicine, Federal University of Mato Grosso, Cuiabá, 78060-900, Brazil
| | - Dábila Araújo Sônego
- Department of Veterinary Surgery, Faculty of Veterinary Medicine, Federal University of Mato Grosso, Cuiabá, 78060-900, Brazil
| | - Regina Celia Rodrigues da Paz
- Wildlife Research Laboratory, Faculty of Veterinary Medicine, Federal University of Mato Grosso, Cuiabá, 78060-900, Brazil
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Araujo G, Paula T, Deco-Souza T, Morato R, Bergo L, Silva L, Jorge-Neto P, Sampaio B. Colheita farmacológica de sêmen de onças-pardas (Puma concolor: Mammalia: Carnivora: Felidae). ARQ BRAS MED VET ZOO 2020. [DOI: 10.1590/1678-4162-11030] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
RESUMO Objetivou-se, por meio do presente estudo, avaliar o método de colheita farmacológica de sêmen com sondagem uretral, em machos de onças-pardas (Puma concolor) mantidos em cativeiro. A técnica proposta (Cat; N=3) foi comparada com a eletroejaculação (EE; N=4). Para a colheita farmacológica, utilizou-se medetomidina para induzir a liberação de sêmen na uretra e sonda uretral para gatos, sem janela lateral, para colheita do sêmen por capilaridade. O método foi eficaz em todos os animais usados. Por meio dessa técnica, colheram-se amostras com menor volume (106,7±30,5aµL) e maior concentração (524,1±54,3b x 106 espermatozoides/mL) em relação à EE (450,0±0,1bµL e 205,0±141,8a x 106 espermatozoides/mL). As avaliações de vigor, motilidade e patologia espermática demonstraram que a técnica não afeta a qualidade do sêmen em relação à EE (P>0,05). Dessa forma, o método proposto consiste em uma técnica mais prática e eficiente para a colheita de sêmen com boa qualidade, dispensando o eletroejaculador.
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Affiliation(s)
- G.R. Araujo
- Universidade Federal do Mato Grosso do Sul, Brazil
| | | | | | - R.G. Morato
- Centro Nacional de Conservação de Carnívoros Mamíferos, Brazil
| | - L.C.F. Bergo
- Universidade Federal do Mato Grosso do Sul, Brazil
| | - L.C. Silva
- Universidade Federal do Mato Grosso do Sul, Brazil
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Müller K, Eder S, Jakop U, Schiller J, Müller P, Bashawat M. Assisted reproduction for felid species conservation-Sperm competences at risk. Reprod Domest Anim 2019; 55 Suppl 2:55-60. [PMID: 31876343 DOI: 10.1111/rda.13581] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 10/25/2019] [Indexed: 11/29/2022]
Abstract
Cryobanking of gametes in combination with artificial insemination is an essential option to support conservation programmes for endangered and threatened species. About two-thirds of the felid species are classified as 'near threatened', 'vulnerable' or 'endangered' (www.cites.org), and mostly, epididymal sperm are collected from euthanized or castrated male felids and cryopreserved. However, epididymal compared with ejaculated and cryopreserved compared with fresh sperm have a limited potential to fertilize if vaginal non-surgical insemination is applied in feline species. Missing or highly diluted seminal fluid in epididymal and cryopreserved sperm, as well as a potential interference of extender ingredients with the natural interactive properties of sperm in the female genital tract is discussed as potential drawback which hampers a proper sperm transit and fertilization besides the limited longevity of cryopreserved feline sperm. Individual components in seminal fluid as well as cryoextenders may adversely alter sperm properties and have a different impact on fertility and preservation success. The identification and investigation of beneficial as well as detrimental components is a precondition to deduce options for improving the process of cryopreservation in felids, particularly, if only epididymal sperm are available.
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Affiliation(s)
- Karin Müller
- Department Reproduction Biology, Leibniz Institute for Zoo and Wildlife Research, Berlin, Germany
| | - Susanne Eder
- Department Reproduction Biology, Leibniz Institute for Zoo and Wildlife Research, Berlin, Germany
| | - Ulrike Jakop
- Department Reproduction Biology, Leibniz Institute for Zoo and Wildlife Research, Berlin, Germany
| | - Jürgen Schiller
- Medical Faculty, Institute of Medical Physics and Biophysics, University of Leipzig, Leipzig, Germany
| | - Peter Müller
- Department of Biology, Humboldt-University Berlin, Berlin, Germany
| | - Mohammad Bashawat
- Department Reproduction Biology, Leibniz Institute for Zoo and Wildlife Research, Berlin, Germany
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Mogielnicka-Brzozowska M, Prochowska S, Niżański W, Bromke MA, Wiśniewski J, Olejnik B, Kuzborska A, Fraser L, Młynarz P, Kordan W. Proteome of cat semen obtained after urethral catheterization. Theriogenology 2019; 141:68-81. [PMID: 31518731 DOI: 10.1016/j.theriogenology.2019.09.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 09/03/2019] [Accepted: 09/03/2019] [Indexed: 01/04/2023]
Abstract
The binding of seminal plasma (SP) proteins by spermatozoa plays an important role in the regulation of sperm epididymal maturation, motility gaining in female reproductive tracts and sperm-egg interaction. The aim of the study was to analyze the SP and sperm extracts proteome of cat (Felis catus) semen. The seminal plasma and spermatozoa were obtained by urethra catheterization from 10 male cats. Proteins were extracted using RIPA buffer and separated by electrophoresis (SDS-PAGE). The gels were analyzed using MultiAnalyst software. The proteins were subsequently analyzed using NanoUPLC-Q-TOF/MS. UniProt database-supported identification resulted in 106 proteins identified in the cat SP and 98 proteins in the extracts of spermatozoa. Based on a gene ontology analysis, dominant molecular functions of feline SP proteins were binding, catalytic, and antioxidant activity (56%, 33%, and 11% of cases, respectively). The molecular functions of sperm extracts proteins were mainly involved in catalytic activity (41%) and binding (23%). The proteins present in both, the SP and spermatozoa's extracts, were: serum albumin (ALB), semenogelin 2 (SEMG 2), clusterin (CLU), lactoferrin (LTF), prostatic acid phosphatase (ACPP), prolactin inducible protein (PIP), negative elongation factor E (NELF-E) and ectonucleotide pyrophosphatase (ENPP3). Protein-protein interactions analysis showed significant connection for 12 proteins in the cat semen. The seminal plasma proteins which, with high probability score, participate in important metabolic pathways are: glutathione peroxidases (GPx5 and 6), prostatic acid phosphatase (ACPP), β-hexosaminidase (HEXB), polymeric immunoglobulin receptor (pIgR) and serpin family F member 1 (SERPINF1). For sperm protein extracts it were: pyruvate dehydrogenase (PDHB), succinate-CoA-ligase (SUCLA2), malate dehydrogenase (MDH2), ATP synthase F1 subunit alpha (ATP5F1A) and tubulin beta (TUBB).
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Affiliation(s)
- Marzena Mogielnicka-Brzozowska
- Department of Animal Biochemistry and Biotechnology, Faculty of Animal Bioengineering, University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10-957, Olsztyn, Poland.
| | - Sylwia Prochowska
- Department of Reproduction and Clinic of Farm Animals, Wrocław University of Environmental and Life Sciences, pl. Grunwaldzki 49, 50-366, Wrocław, Poland
| | - Wojciech Niżański
- Department of Reproduction and Clinic of Farm Animals, Wrocław University of Environmental and Life Sciences, pl. Grunwaldzki 49, 50-366, Wrocław, Poland
| | - Mariusz A Bromke
- Department of Medical Biochemistry, Medical University of Wrocław, Chałubińskiego 10, 50-368, Wrocław, Poland
| | - Jerzy Wiśniewski
- Department of Medical Biochemistry, Medical University of Wrocław, Chałubińskiego 10, 50-368, Wrocław, Poland
| | - Beata Olejnik
- Department of Chemistry and Immunochemistry, Medical University of Wrocław, Bujwida 44a, 50-345, Wrocław, Poland
| | - Anna Kuzborska
- Department of Animal Biochemistry and Biotechnology, Faculty of Animal Bioengineering, University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10-957, Olsztyn, Poland
| | - Leyland Fraser
- Department of Animal Biochemistry and Biotechnology, Faculty of Animal Bioengineering, University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10-957, Olsztyn, Poland
| | - Piotr Młynarz
- Department of Chemistry, Wroclaw University of Technology, 50-370, Wrocław, Poland
| | - Władysław Kordan
- Department of Animal Biochemistry and Biotechnology, Faculty of Animal Bioengineering, University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10-957, Olsztyn, Poland
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Bogle OA, Carrasco RA, Ratto MH, Singh J, Adams GP. Source and localization of ovulation-inducing factor/nerve growth factor in male reproductive tissues among mammalian species†. Biol Reprod 2018; 99:1194-1204. [DOI: 10.1093/biolre/ioy149] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Accepted: 06/29/2018] [Indexed: 11/14/2022] Open
Affiliation(s)
- Orleigh A Bogle
- Veterinary Biomedical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Rodrigo A Carrasco
- Veterinary Biomedical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Marcelo H Ratto
- Department of Animal Science, Universidad Austral de Chile, Valdivia, Chile
| | - Jaswant Singh
- Veterinary Biomedical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Gregg P Adams
- Veterinary Biomedical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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Jelinkova K, Vitasek R, Novotny R, Bartoskova A. A comparison of quality parameters of fresh feline ejaculates collected by three different collection techniques. Reprod Domest Anim 2018; 53:1068-1074. [DOI: 10.1111/rda.13205] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 03/05/2018] [Accepted: 04/01/2018] [Indexed: 11/27/2022]
Affiliation(s)
- Klara Jelinkova
- Department of Reproduction, Small Animal Clinic; University of Veterinary and Pharmaceutical Sciences Brno; Brno Czech Republic
| | - Roman Vitasek
- Department of Reproduction, Small Animal Clinic; University of Veterinary and Pharmaceutical Sciences Brno; Brno Czech Republic
| | - Robert Novotny
- Department of Reproduction, Ruminant and Swine Clinic; University of Veterinary and Pharmaceutical Sciences Brno; Brno Czech Republic
| | - Alena Bartoskova
- Institute of Life-Long Education; University of Veterinary and Pharmaceutical Sciences Brno; Brno Czech Republic
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Developmental competence of cat ( Felis domesticus) oocytes and embryos after parthenogenetic stimulation using different methods. ZYGOTE 2018; 26:119-126. [PMID: 29467049 DOI: 10.1017/s0967199418000011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The aim of this study was to compare the effects of various activating factors on feline oocytes. The study included activation within the ovary (natural), activation during in vitro maturation (spontaneous activation), chemical activation (ionomycin + 6-DMAP), activation by spermatozoa and injection (ICSI) and mechanical activation (sham ICSI). According to our results, parthenogenetic embryos could emerge at every step of in vitro embryo production (IVP) procedures. After oocyte collection, 6% of parthenogenetic embryos were observed, mainly at the 2-4-blastomere stages. After 24 h of in vitro maturation, parthenogenetic activation was observed in 7% of oocytes. Using ionomycin and 6-DMAP to artificially activate oocytes, 53% of cleaved embryos were obtained. The results after ICSI (54% cleaved embryos) were not significantly different from the results in Group III using chemical activation (53% cleaved embryos). But only after ICSI were blastocysts obtained (5/73.7%) as a result of in vitro culture. Moreover, embryos after ICSI were of the best morphological quality with minor levels of fragmentation evident in the embryos. After sham mechanical activation, 'sham ICSI', 8% of cleaved embryos were noted. Therefore, it is advised to maintain a negative control in parallel with each step of IVP techniques, to avoid misleading results. Chemical methods for artificial activation of feline oocytes are the most promising for application to the cloning and production of parthenogenetic embryos for experimental studies.
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18
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Pisu MC, Ponzio P, Rovella C, Baravalle M, Veronesi MC. Usefulness of an injectable anaesthetic protocol for semen collection through urethral catheterisation in domestic cats. J Feline Med Surg 2017; 19:1087-1090. [PMID: 27856784 PMCID: PMC11110997 DOI: 10.1177/1098612x16679589] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
Objectives Although less often requested in comparison with dogs, the collection of semen in cats can be necessary for artificial insemination, for semen evaluation in tom cats used for breeding and for semen storage. Urethral catheterisation after pharmacological induction with medetomidine has proved to be useful for the collection of semen in domestic cats. However, most of the previously used protocols require the administration of high doses of medetomidine that can increase the risk of side effects, especially on the cardiovascular system. In routine clinical practice, one safe and useful injectable anaesthetic protocol for short-term clinical investigations or surgery in cats involves premedication with low intramuscular doses of dexmedetomidine with methadone, followed by intravenous propofol bolus injection. We aimed to assess the usefulness of this injectable anaesthetic protocol for semen collection, via urethral catheterisation, in domestic cats. Methods The study was performed on 38 purebred, adult cats, during the breeding season, and semen was collected via urethral catheterisation using an injectable anaesthesia protocol with methadone (0.2 mg/kg) and dexmedetomidine (5 µg/kg) premedication, followed by induction with propofol. Results The anaesthetic protocol used in the present study allowed the collection of large-volume semen samples, characterised by good parameters and without side effects. Conclusions and relevance The results from the present study suggest that the injectable anaesthetic protocol using methadone and dexmedetomidine premedication, followed by induction with propofol, could be suitable and safe for the collection of a good-quality semen sample, via urethral catheterisation, in domestic cats. It can therefore be used as an alternative to previous medetomidine-based sedation protocols.
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Affiliation(s)
| | - Patrizia Ponzio
- Department of Veterinary Sciences, University of Turin, Turin, Italy
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19
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Pinyopummin A, Mahasawangkul S, Kornkaewrat K, Rattanapirom S, Leartsang W, Kitkha S. The presence of seminal plasma, especially derived from stallion semen, helps preserve chilled Asian elephant (Elephas maximus) sperm motility. Andrologia 2016; 49. [PMID: 27785817 DOI: 10.1111/and.12690] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/16/2016] [Indexed: 11/28/2022] Open
Abstract
The effects of seminal plasma (SP), derived from autologous, homologous and heterologous species (stallion, boar and dog) on chilled Asian elephant sperm quality, were determined. Semen was collected from eight males and samples with ≥30% motile spermatozoa were used in the study. Semen was diluted with Tris-glucose-egg yolk extender, supplemented with different SP types and preserved at 4°C for 48 hr. Experiment 1 (n = 31), showed that the presence of SP (autologous) helped to preserve sperm quality in terms of sperm motility and acrosome integrity (p < .05). Homologous SP did not result in better sperm quality than autologous SP. Heterologous SP from stallion provided higher sperm motility and velocities compared to autologous SP (p < .05). Experiment 2 (n = 14) determined the effect of different SP from four stallions. All stallion SP gave higher (p < .05) results for motile spermatozoa and sperm velocities than autologous SP. In conclusion, the presence of SP helps preserve Asian elephant sperm quality and stallion SP supports the motility of Asian elephant spermatozoa during cold storage.
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Affiliation(s)
- A Pinyopummin
- Faculty of Veterinary Medicine, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, Thailand
| | - S Mahasawangkul
- The National Elephant Institute, The Forest Industry Organization, Lampang, Thailand
| | - K Kornkaewrat
- Faculty of Veterinary Medicine, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, Thailand
| | - S Rattanapirom
- Faculty of Veterinary Medicine, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, Thailand
| | - W Leartsang
- Faculty of Veterinary Medicine, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, Thailand
| | - S Kitkha
- Center for Agricultural Biotechnology, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, Thailand
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20
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Lima D, Silva T, Cortez AA, Pinto J, Magalhães F, Caldini B, Silva L. Recovery of sperm after epididymal refrigeration from domestic cats using ACP-117c and Tris extenders. ARQ BRAS MED VET ZOO 2016. [DOI: 10.1590/1678-4162-8653] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
ABSTRACT We aimed to compare fresh sperm and sperm cooled to 4ºC that had been recovered from the epididymides of cats using powdered coconut water (ACP-117c) and Tris extenders. Sixty epididymides were divided into 6 groups: 10 fresh epididymides were recovered using Tris (T0h); 10 were kept at 4°C/2h and recovered using Tris (T2h); 10 were kept at 4°C/4h and recovered using Tris (T4h); 10 fresh were recovered using ACP-117c (A0h); 10 were kept at 4°C/2h and recovered using ACP-117c (A2h), and 10 were kept at 4°C/4h and recovered using ACP-117c (A4h). The testis-epididymis complexes (TEC) control were not cooled. The others were cooled at 4°C for 2 or 4h. The epididymis was separated and the sperm was recovered by the modified flotation method. Sperm kinetic parameters were evaluated by a computer-system analysis, and vigor, viability, concentration, membrane function and morphology of the sperm were assessed under a light microscope. The progressive motility with ACP-117c declined after 2h of cooling, but did not differ between fresh and 4h. The vigor and membrane function were higher in A4h than A0h. The vigor at T2h and T4h were decreased compared to T0h. T0h was higher than A0h for vigor and sperm membrane function. However, after 4h of cooling, ACP-117c maintained a higher percentage of living cells. Feline epididymal sperm quality can be maintained to the degree necessary for artificial breeding programs following cooling and ACP-117c may be successfully used to recover cat sperm that have been cooled for up to 4h.
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21
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Cunto M, Küster DG, Bini C, Cartolano C, Pietra M, Zambelli D. Influence of Different Protocols of Urethral Catheterization after Pharmacological Induction (Ur.Ca.P.I.) on Semen Quality in the Domestic Cat. Reprod Domest Anim 2015; 50:999-1002. [DOI: 10.1111/rda.12626] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 09/13/2015] [Indexed: 11/28/2022]
Affiliation(s)
- M Cunto
- Department of Veterinary Medical Sciences; Alma Mater Studiorum-University of Bologna; Ozzano Emilia BO Italy
| | - DG Küster
- Department of Veterinary Medical Sciences; Alma Mater Studiorum-University of Bologna; Ozzano Emilia BO Italy
| | - C Bini
- Department of Veterinary Medical Sciences; Alma Mater Studiorum-University of Bologna; Ozzano Emilia BO Italy
| | - C Cartolano
- Department of Veterinary Medical Sciences; Alma Mater Studiorum-University of Bologna; Ozzano Emilia BO Italy
| | - M Pietra
- Department of Veterinary Medical Sciences; Alma Mater Studiorum-University of Bologna; Ozzano Emilia BO Italy
| | - D Zambelli
- Department of Veterinary Medical Sciences; Alma Mater Studiorum-University of Bologna; Ozzano Emilia BO Italy
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22
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Electroejaculation and semen buffer evaluation in the microbat Carollia perspicillata. Theriogenology 2015; 83:904-10. [DOI: 10.1016/j.theriogenology.2014.11.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Revised: 11/18/2014] [Accepted: 11/24/2014] [Indexed: 11/20/2022]
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Henry F, Eder S, Reynaud K, Schön J, Wibbelt G, Fontbonne A, Müller K. Seminal fluid promotes in vitro sperm-oviduct binding in the domestic cat (Felis catus). Theriogenology 2015; 83:1373-80. [PMID: 25735636 DOI: 10.1016/j.theriogenology.2015.01.031] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Revised: 01/29/2015] [Accepted: 01/29/2015] [Indexed: 10/24/2022]
Abstract
From many endangered or threatened species which are expected to profit from assisted reproduction techniques, mainly epididymal sperm of dead or freshly castrated males are available. These sperm had contact to epididymal secretion products but not to seminal fluid components. Notably, products of accessory sex glands have been shown in domestic animals to condition sperm for fertilization, in particular by mediating sperm-oviduct interaction. We report for the first time that motile epididymal sperm from domestic cats are able to bind to fresh oviduct epithelial cell explants from preovulatory females (median [min, max] of 10 [8, 16] and 10 [8, 17] sperm per 0.01 mm(2) explant surface from both isthmic and ampullar regions, respectively). More sperm attach to the explants when epididymal sperm were preincubated for 30 minutes with seminal fluid separated from electroejaculates of mature tomcats (median [min, max] of 17 [13, 25] and 16 [12, 21] sperm per 0.01 mm(2) explant surface from isthmus and ampulla, respectively). The proportion of bound sperm increased from a median of 54% to 62% by seminal fluid treatment. Sperm-oviduct binding could be facilitated by the decelerated sperm motion which was observed in seminal fluid-treated samples or supported by seminal fluid proteins newly attached to the sperm surface. Seminal fluid had no effect on the proportion of sperm with active mitochondria. Extent and pattern of sperm interaction in vitro were independent of explant origin from isthmus or ampulla. Sperm were attached to both cilia and microvilli of the main epithelial cell types present in all explants. In contrast to published sperm-binding studies with porcine and bovine oviduct explants where predominantly the anterior head region of sperm was attached to ciliated cells, the tails of some cat sperm were firmly stuck to the oviduct cell surfaces, whereas the heads were wobbling. Whether this response is a preliminary step toward phagocytosis or a precondition to capacitation and fertilization remains to be determined. In conclusion, treatment of epididymal sperm with seminal fluid or particular protein components should be considered in future investigations for its potential to improve the outcome of artificial insemination in felids.
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Affiliation(s)
- F Henry
- Service de Reproduction, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
| | - S Eder
- Abteilung Reproduktionsbiologie, Leibniz-Institut für Zoo- und Wildtierforschung, Berlin, Germany
| | - K Reynaud
- Physiologie de la Reproduction et des Comportements, UMR 7247 INRA-CNRS-Université de Tours-Haras Nationaux, Nouzilly, France
| | - J Schön
- Abteilung Reproduktionszellbiologie, Leibniz-Institut für Nutztierbiologie, Dummerstorf, Germany
| | - G Wibbelt
- Abteilung Reproduktionsbiologie, Leibniz-Institut für Zoo- und Wildtierforschung, Berlin, Germany
| | - A Fontbonne
- Service de Reproduction, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
| | - K Müller
- Abteilung Reproduktionsbiologie, Leibniz-Institut für Zoo- und Wildtierforschung, Berlin, Germany.
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Effect of dilution rate on feline urethral sperm motility, viability, and DNA integrity. Theriogenology 2014; 82:1273-80. [DOI: 10.1016/j.theriogenology.2014.08.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Revised: 08/19/2014] [Accepted: 08/19/2014] [Indexed: 12/16/2022]
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25
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Polisca A, Troisi A, Minelli A, Bellezza I, Fontbonne A, Zelli R. Presence of Membranous Vesicles in Cat Seminal Plasma: Ultrastructural Characteristics, Protein Profile and Enzymatic Activity. Reprod Domest Anim 2014; 50:91-6. [DOI: 10.1111/rda.12453] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Accepted: 10/16/2014] [Indexed: 11/27/2022]
Affiliation(s)
- A Polisca
- Dipartimento di Medicina Veterinaria; Università di Perugia; Perugia Italy
| | - A Troisi
- Dipartimento di Medicina Veterinaria; Università di Perugia; Perugia Italy
| | - A Minelli
- Dipartimento di Medicina Sperimentale; Università di Perugia; Perugia Italy
| | - I Bellezza
- Dipartimento di Medicina Sperimentale; Università di Perugia; Perugia Italy
| | - A Fontbonne
- Centre d'Etude de Reproduction des Carnivores (CERCA); Alfort Veterinary College; Paris France
| | - R Zelli
- Dipartimento di Medicina Veterinaria; Università di Perugia; Perugia Italy
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26
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Zambelli D, Bini C, Cunto M. Endoscopic Transcervical Catheterization in the Domestic Cat. Reprod Domest Anim 2014; 50:13-6. [DOI: 10.1111/rda.12442] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Accepted: 09/19/2014] [Indexed: 11/27/2022]
Affiliation(s)
- D Zambelli
- Department of Veterinary Medical Sciences; Alma Mater Studiorum; University of Bologna; Ozzano dell'Emilia (Bo) Italy
| | - C Bini
- Department of Veterinary Medical Sciences; Alma Mater Studiorum; University of Bologna; Ozzano dell'Emilia (Bo) Italy
| | - M Cunto
- Department of Veterinary Medical Sciences; Alma Mater Studiorum; University of Bologna; Ozzano dell'Emilia (Bo) Italy
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Marzoni M, Castillo A, Sagona S, Citti L, Rocchiccioli S, Romboli I, Felicioli A. A proteomic approach to identify seminal plasma proteins in roosters (Gallus gallus domesticus). Anim Reprod Sci 2013; 140:216-23. [PMID: 23896393 DOI: 10.1016/j.anireprosci.2013.06.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2012] [Revised: 06/19/2013] [Accepted: 06/21/2013] [Indexed: 11/29/2022]
Abstract
Considering the interest in avian semen processing and storage, the objective of this study was to identify the domestic fowl seminal plasma proteins using two-dimensional gel electrophoresis (2-DE) and mass spectrometry MS/MS. For three times in a 4-month period, seminal plasma was obtained from semen collected from four local male chickens (Gallus gallus domesticus) and prepared for two-dimensional polyacrylamide gel electrophoresis. A total of 83 spots were detected across all gels and analyzed by MALDI-TOF/TOF. Among these spots, 17 have been successfully identified. The most intensely stained spots were recognized as serum albumin, ovotransferrin, alpha-enolase, fatty acid binding protein, thioredoxin, trypsin inhibitor CITI-1 and gallinacin-9. From these proteins, two are characteristic of avian seminal plasma, the ovotransferrin and gallinacin-9, and one is specific of the Gallus species, the chicken trypsin inhibitor CITI-1.
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Affiliation(s)
- Margherita Marzoni
- Department of Veterinary Sciences, Pisa University, Viale delle Piagge 2, Pisa, Italy.
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Perry JC, Sirot L, Wigby S. The seminal symphony: how to compose an ejaculate. Trends Ecol Evol 2013; 28:414-22. [PMID: 23582755 DOI: 10.1016/j.tree.2013.03.005] [Citation(s) in RCA: 204] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2012] [Revised: 02/17/2013] [Accepted: 03/13/2013] [Indexed: 02/06/2023]
Abstract
Ejaculates are fundamental to fitness in sexually reproducing animals: males gain all their direct fitness via the ejaculate and females require ejaculates to reproduce. Both sperm and non-sperm components of the ejaculate (including parasperm, seminal proteins, water, and macromolecules) play vital roles in postcopulatory sexual selection and conflict, processes that can potentially drive rapid evolutionary change and reproductive isolation. Here, we assess the increasing evidence that considering ejaculate composition as a whole (and potential trade-offs among ejaculate components) has important consequences for predictions about male reproductive investment and female responses to ejaculates. We review current theory and empirical work, and detail how social and environmental effects on ejaculate composition have potentially far-reaching fitness consequences for both sexes.
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Affiliation(s)
- Jennifer C Perry
- Edward Grey Institute, Department of Zoology, University of Oxford, Oxford, OX1 3PS, UK.
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Improved semen collection method for wild felids: Urethral catheterization yields high sperm quality in African lions (Panthera leo). Theriogenology 2012; 78:696-701. [DOI: 10.1016/j.theriogenology.2012.02.026] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Revised: 02/17/2012] [Accepted: 02/19/2012] [Indexed: 11/20/2022]
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