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Morris LH, Maclellan LJ. Update on advanced semen-processing technologies and their application for in vitro embryo production in horses. Reprod Fertil Dev 2020; 31:1771-1777. [PMID: 31640845 DOI: 10.1071/rd19301] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 08/29/2019] [Indexed: 12/29/2022] Open
Abstract
The increased commercialisation of intracytoplasmic sperm injection (ICSI) in horses creates more opportunities to incorporate advanced reproductive technologies, such as sex-sorted, refrozen and lyophilised spermatozoa, into a breeding program. This paper reviews the status of these semen-handling technologies in light of their use in equine ICSI programs. Pregnancies have been achieved from each of these advanced technologies when combined with ICSI in horses, but refinements in the semen-handling processes underpinning these technologies are currently being explored to produce more reliable and practical improvements in the results from equine ICSI.
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Affiliation(s)
- Lee H Morris
- EquiBreed NZ, 399 Parklands Road, Te Awamutu 3879, New Zealand; and Corresponding author.
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2
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Ferrer MS, Canisso IF, Ellerbrock RE, Podico G, Lister BN, Hurley DJ, Kline K, Palomares RA. Optimization of cryopreservation protocols for cooled-transported stallion semen. Anim Reprod Sci 2020; 221:106581. [PMID: 32891911 DOI: 10.1016/j.anireprosci.2020.106581] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 08/14/2020] [Accepted: 08/14/2020] [Indexed: 10/23/2022]
Abstract
Freezing cooled-transported semen allows veterinarians and breeders to collect and process the semen of stallions on farm, and then ship the semen to a semen freezing center. There, however, is a lack of standardization of shipping and freezing protocols. The objectives were to optimize and simplify protocols to freeze cooled-shipped semen. In Experiment 1, cooled-transported semen was centrifuged at room temperature or 5 °C before freezing. Sperm variables (motility, membrane integrity, acrosome integrity, membrane fluidity) were evaluated before and after freezing. Centrifugation temperature had no effect on post-thaw semen quality. In Experiment 2, cooled-transported semen was centrifuged at room temperature and cryopreserved in three semen freezing extenders. With use of the improved modified French formula, there was less post-thaw total and progressive motility compared with use of Botucrio or the improved lactose-EDTA formula (P<0.0001). Semen cryopreserved in the improved modified French formula also had a lesser percentage of sperm with intact membranes compared with lactose-EDTA, and a greater percentage of sperm with capacitation-like changes compared with Botucrio (P<0.0001). In Experiment 3, semen diluted in each extender was frozen conventionally or placed directly in a -80 °C ultra-freezer. Freezing in the ultra-freezer resulted in a lesser post-thaw sperm motility, but not membrane and acrosome integrity and capacitation-like changes. In conclusion, centrifugation and addition of freezing extender to cooled transported semen can be performed at room temperature or 5 °C. The Botucrio and lactose-EDTA formula are recommended for conventional cryopreservation of cooled-transported stallion semen as compared with the modified French formula.
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Affiliation(s)
- M S Ferrer
- Department of Large Animal Medicine, College of Veterinary Medicine, University of Georgia, Athens, GA, USA.
| | - I F Canisso
- Department of Veterinary Clinical Medicine, College of Veterinary Medicine, University of Illinois, Urbana, IL, USA
| | - R E Ellerbrock
- Department of Large Animal Medicine, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - G Podico
- Department of Veterinary Clinical Medicine, College of Veterinary Medicine, University of Illinois, Urbana, IL, USA
| | - B N Lister
- Department of Large Animal Medicine, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - D J Hurley
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - K Kline
- Department of Animal Sciences, College of Agricultural, Environment and Nutritional Sciences, Urbana, IL, USA
| | - R A Palomares
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
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Domínguez E, Moreno-Irusta A, Castex HR, Bragulat AF, Ugaz C, Clemente H, Giojalas L, Losinno L. Sperm Sexing Mediated by Magnetic Nanoparticles in Donkeys, a Preliminary In Vitro Study. J Equine Vet Sci 2018. [DOI: 10.1016/j.jevs.2018.04.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Yadav SK, Gangwar DK, Singh J, Tikadar CK, Khanna VV, Saini S, Dholpuria S, Palta P, Manik RS, Singh MK, Singla SK. An immunological approach of sperm sexing and different methods for identification of X- and Y-chromosome bearing sperm. Vet World 2017; 10:498-504. [PMID: 28620252 PMCID: PMC5465762 DOI: 10.14202/vetworld.2017.498-504] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Accepted: 03/15/2017] [Indexed: 12/16/2022] Open
Abstract
Separation of X- and Y-chromosome bearing sperm has been practiced for selection of desired sex of offspring to increase the profit in livestock industries. At present, fluorescence-activated cell sorter is the only successful method for separation of X- and Y-chromosome bearing sperm. This technology is based on the differences in DNA content between these two types of sperm and has been commercialized for bovine sperm. However, this technology still has problems in terms of high economic cost, sperm damage, and lower pregnancy rates compared to unsorted semen. Therefore, an inexpensive, convenient, and non-invasive approach for sperm sexing would be of benefit to agricultural sector. Within this perspective, immunological sperm sexing method is one of the attractive choices to separate X- and Y-chromosome bearing sperm. This article reviews the current knowledge about immunological approaches, viz., H-Y antigen, sex-specific antigens, and differentially expressed proteins for sperm sexing. Moreover, this review also highlighted the different methods for identification of X- and Y-sperm.
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Affiliation(s)
- Shiv Kumar Yadav
- Embryo Biotechnology Laboratory, Animal Biotechnology Centre, ICAR-National Dairy Research Institute, Karnal - 132 001, Haryana, India
| | - Dharmendra Kumar Gangwar
- Embryo Biotechnology Laboratory, Animal Biotechnology Centre, ICAR-National Dairy Research Institute, Karnal - 132 001, Haryana, India
| | - Jarnail Singh
- Embryo Biotechnology Laboratory, Animal Biotechnology Centre, ICAR-National Dairy Research Institute, Karnal - 132 001, Haryana, India
| | - Chiranjeev Kumar Tikadar
- Embryo Biotechnology Laboratory, Animal Biotechnology Centre, ICAR-National Dairy Research Institute, Karnal - 132 001, Haryana, India
| | - V Vinoth Khanna
- Embryo Biotechnology Laboratory, Animal Biotechnology Centre, ICAR-National Dairy Research Institute, Karnal - 132 001, Haryana, India
| | - Sudha Saini
- Embryo Biotechnology Laboratory, Animal Biotechnology Centre, ICAR-National Dairy Research Institute, Karnal - 132 001, Haryana, India
| | - Sunny Dholpuria
- Embryo Biotechnology Laboratory, Animal Biotechnology Centre, ICAR-National Dairy Research Institute, Karnal - 132 001, Haryana, India
| | - Prabhat Palta
- Embryo Biotechnology Laboratory, Animal Biotechnology Centre, ICAR-National Dairy Research Institute, Karnal - 132 001, Haryana, India
| | - Radhey Shyam Manik
- Embryo Biotechnology Laboratory, Animal Biotechnology Centre, ICAR-National Dairy Research Institute, Karnal - 132 001, Haryana, India
| | - Manoj Kumar Singh
- Embryo Biotechnology Laboratory, Animal Biotechnology Centre, ICAR-National Dairy Research Institute, Karnal - 132 001, Haryana, India
| | - Suresh Kumar Singla
- Embryo Biotechnology Laboratory, Animal Biotechnology Centre, ICAR-National Dairy Research Institute, Karnal - 132 001, Haryana, India
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Alkmin DV, Parrilla I, Tarantini T, Parlapan L, del Olmo D, Vazquez JM, Martinez EA, Roca J. Intra- and interboar variability in flow cytometric sperm sex sorting. Theriogenology 2014; 82:501-8. [DOI: 10.1016/j.theriogenology.2014.05.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Revised: 05/12/2014] [Accepted: 05/13/2014] [Indexed: 10/25/2022]
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Florez-Rodriguez SA, de Arruda RP, Alves MBR, Affonso FJ, Carvalho HF, Lemes KM, Lançoni R, de Andrade AFC, Celeghini ECC. Morphofunctional Characterization of Cooled Sperm With Different Extenders to Use in Equine-Assisted Reproduction. J Equine Vet Sci 2014. [DOI: 10.1016/j.jevs.2014.04.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Rodenas C, Lucas X, Tarantini T, Del Olmo D, Roca J, Vazquez JM, Martinez EA, Parrilla I. The Effects of Hoechst 33342 Staining and the Male Sample Donor on the Sorting Efficiency of Canine Spermatozoa. Reprod Domest Anim 2013; 49:115-21. [DOI: 10.1111/rda.12238] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Accepted: 08/19/2013] [Indexed: 11/29/2022]
Affiliation(s)
- C Rodenas
- Department of Medicine and Animal Surgery University of Murcia Murcia Spain
| | - X Lucas
- Department of Medicine and Animal Surgery University of Murcia Murcia Spain
| | - T Tarantini
- Department of Medicine and Animal Surgery University of Murcia Murcia Spain
| | - D Del Olmo
- Department of Medicine and Animal Surgery University of Murcia Murcia Spain
| | - J Roca
- Department of Medicine and Animal Surgery University of Murcia Murcia Spain
| | - JM Vazquez
- Department of Medicine and Animal Surgery University of Murcia Murcia Spain
| | - EA Martinez
- Department of Medicine and Animal Surgery University of Murcia Murcia Spain
| | - I Parrilla
- Department of Medicine and Animal Surgery University of Murcia Murcia Spain
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Balao da Silva CM, Spinaci M, Bucci D, Giaretta E, Peña FJ, Mari G, Galeati G. Effect of sex sorting on stallion spermatozoa: Heterologous oocyte binding, tyrosine phosphorylation and acrosome reaction assay. Anim Reprod Sci 2013; 141:68-74. [PMID: 23953198 DOI: 10.1016/j.anireprosci.2013.07.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2013] [Revised: 07/15/2013] [Accepted: 07/17/2013] [Indexed: 11/17/2022]
Abstract
The interest on sex sorting by flow cytometry on the equine industry has been increasing over the years. In this work, three different tests were performed in order to evaluate the membrane status of sorted stallion spermatozoa: assessment of binding ability to porcine oocytes, evaluation of acrosome integrity after stimulation with A23187, and detection of tyrosine phosphorylation. These evaluations were made after incubation for 0h, 1.5h and 3h in a capacitating medium. Sorted stallion spermatozoa attached similarly to the porcine oocytes, when compared with control samples. Sorted spermatozoa were more prone to undergo acrosome reaction (P<0.05), at the beginning and after 1.5h and 3h of incubation, and also had higher tyrosine phosphorylation of the tail (P<0.001), only at the beginning of the incubation period. Apparently sex sorted stallion spermatozoa are in a more advanced status of membrane destabilization, which could be associated with capacitation, although similar binding ability to porcine oocytes is maintained.
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Affiliation(s)
- C M Balao da Silva
- Laboratory of Equine Reproduction and Equine Spermatology, Veterinary Teaching Hospital, University of Extremadura, Cáceres, Spain.
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Balao da Silva CM, Ortega Ferrusola C, Morillo Rodriguez A, Gallardo Bolaños JM, Plaza Dávila M, Morrell JM, Rodriguez Martínez H, Tapia JA, Aparicio IM, Peña FJ. Sex sorting increases the permeability of the membrane of stallion spermatozoa. Anim Reprod Sci 2013; 138:241-51. [PMID: 23567220 DOI: 10.1016/j.anireprosci.2013.02.021] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2012] [Revised: 02/21/2013] [Accepted: 02/28/2013] [Indexed: 12/13/2022]
Abstract
At present, the only repeatable means of selecting the sex of offspring is the Beltsville semen sorting technology using flow cytometry (FC). This technology has reached commercial status in the bovine industry and substantial advances have occurred recently in swine and ovine species. In the equine species, however, the technology is not as well developed. To better understand the changes induced in stallion spermatozoa during the sorting procedure, pooled sperm samples were sorted: sperm motility and kinematics were assessed using computer assisted sperm analysis, sperm membrane integrity was assessed using the YoPro-1 assay, while plasmalemmal stability and lipid architecture were assessed using Merocyanine 540/SYTOX green and Annexin-V, respectively. Lipid peroxidation was also investigated with the probe Bodipy(581/591)-C11. All assays were performed shortly after collection, after incubation and after sex sorting using FC. In order to characterize potential molecular mechanisms implicated in sperm damage, an apoptosis protein antibody dot plot array analysis was performed before and after sorting. While the percentage of total motile sperm remained unchanged, sex sorting reduced the percentages of progressive motile spermatozoa and of rapid spermatozoa as well as curvilinear velocity (VCL). Sperm membranes responded to sorting with an increase in the percentage of YoPro-1 positive cells, suggesting the sorted spermatozoa had a reduced energy status that was confirmed by measuring intracellular ATP content.
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Affiliation(s)
- C M Balao da Silva
- Laboratory of Equine Reproduction and Equine Spermatology, Veterinary Teaching Hospital
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