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Woelders H, de Wit AAC, Engel B, Hulsegge B, Grasseau I, Blesbois E, Bernal B, Santiago-Moreno J. Freezing chicken semen: Influence of base medium osmolality, cryoprotectants, cryoprotectant concentration, and cooling rate on post-thaw sperm survival. Cryobiology 2022; 108:67-77. [PMID: 35777425 DOI: 10.1016/j.cryobiol.2022.06.003] [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: 12/01/2021] [Revised: 06/20/2022] [Accepted: 06/20/2022] [Indexed: 11/28/2022]
Abstract
A classical chicken semen diluent (Lake's 7.1 diluent) was modified to have lowered osmolalities (ranging from 290-410 mOsm/kg). The modified medium with physiological osmolality of 325 mOsm/kg allowed cold storage of fresh semen for several days with very little loss of membrane integrity and motility, while high osmolalities inhibited motility. This modified medium was then used as base for freezing medium to test effects of the type and concentration of cryoprotective agent (CPA), and the cooling rate (CR). A number of CPAs (methylformamide, methylacetamide, dimethylformamide (DMF), dimethylacetamide (DMA), diethylformamide, and propylene glycol) were first compared by freezing semen with 0.6 mol/l of the respective CPA at a cooling rate of 250°C/min. Post-thaw motility and membrane integrity were highest with DMA and DMF. Finally, in more detailed factorial experiments, semen from individual cocks or pooled semen was frozen using CRs of 4, 50, 250, and 440 °C/min and DMA concentrations ([DMA]) of 0.4, 0.6, 1.0, and 1.5 mol/l. Straws from each semen sample x treatment combination were divided for semen assessment at three different research groups for sperm motility, membrane integrity, kinked tails, and DNA fragmentation, using microscopy, computer assisted motility analysis, and flow cytometry. There were clear effects of both CR and [DMA] and their interaction. CRs 50 and 250°C/min gave best post-thaw sperm performance. Higher DMA concentrations gave better post-thaw membrane integrity, but concentrations above 1.0 mol/l can decrease sperm velocity or even inhibit sperm motility. Therefore [DMA] may best be 0.6-1.0 mol/l at a CR of 50-250°C/min.
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Affiliation(s)
- H Woelders
- Wageningen University & Research, Animal Breeding and Genomics, P.O. Box 338, 6700 AH, Wageningen, the Netherlands.
| | - A A C de Wit
- Wageningen University & Research, Animal Breeding and Genomics, P.O. Box 338, 6700 AH, Wageningen, the Netherlands
| | - B Engel
- Biometris, Wageningen University, PO Box 16, 6700 AA, Wageningen, the Netherlands
| | - B Hulsegge
- Wageningen University & Research, Animal Breeding and Genomics, P.O. Box 338, 6700 AH, Wageningen, the Netherlands
| | - I Grasseau
- INRAe 0085 UMR PRC INRAe -CNRS-University François Rabelais-Haras Nationaux, 37380, Nouzilly, France
| | - E Blesbois
- INRAe 0085 UMR PRC INRAe -CNRS-University François Rabelais-Haras Nationaux, 37380, Nouzilly, France
| | - B Bernal
- Departamento de Reproducción Animal, INIA, 28040, Madrid, Spain
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Lin HLH, Blesbois E, Vitorino Carvalho A. Chicken semen cryopreservation: importance of cryoprotectants. WORLD POULTRY SCI J 2021. [DOI: 10.1080/00439339.2022.1998816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Hsiu-Lien Herbie Lin
- CNRS, IFCE, INRAE, Université de Tours, PRC, Nouzilly, France
- Physiology Division, Livestock Research Institute (LRI), COA, Tainan, Taiwan
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Castillo A, Lenzi C, Pirone A, Baglini A, Russo C, Soglia D, Schiavone A, Marzoni Fecia di Cossato M. From the Semen Collection Method to the Hatchlings: The Use of Cryopreserved Sperm from Pheasants Fed an Antioxidant-Enriched Diet. Animals (Basel) 2021; 11:2624. [PMID: 34573589 PMCID: PMC8466178 DOI: 10.3390/ani11092624] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/01/2021] [Accepted: 09/06/2021] [Indexed: 12/17/2022] Open
Abstract
A widely used approach to preserving genetic diversity in birds involves the cryopreservation of semen. In this process, cells are subjected to physical and chemical stresses, but not all cell species respond equally. Many studies have been published on the freezing-thawing of sperm cells from a wide variety of domestic and wild species, on issues ranging from the sperm quality to different protocols, fertilisation success rates, etc. Nevertheless, very little information is available on the common pheasant. To fill this gap, the aim of this study was to describe the pheasant semen collection method, evaluate some qualitative parameters of sperm from males fed an antioxidant-enriched diet, and to test the in vivo fertilising capacity of the cryo-preserved semen. The freezing protocol employed involved pellets thawed by the hotplate method. Dimethylacetamide was used as a cryoprotectant at a final concentration of 6%. A total of six AIs were performed at 3-4-day intervals on a total of 40 females with doses of 35 × 106 of normal live thawed sperm. Males receiving the enriched diet produce more abundant and concentrated ejaculates. Freeze-thawed sperm lost 85% of their initial mobility, and diet influenced neither sperm mobility nor viability. The enriched diet did improve the number of normal freeze-thawed cells and was associated with a lower sperm fracture incidence. Regardless of the dietary group, frozen-thawed sperm resulted in a fertility rate of 30%, with 8-9 chicks hatching for every 100 eggs incubated.
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Affiliation(s)
- Annelisse Castillo
- Dipartimento di Scienze Veterinarie, Università Degli Studi di Torino, Largo Paolo Braccini 2, 10095 Grugliasco, TO, Italy; (A.C.); (D.S.)
| | - Carla Lenzi
- Dipartimento di Scienze Veterinarie, Università di Pisa, Viale Delle Piagge 2, 56124 Pisa, PI, Italy; (C.L.); (A.P.); (A.B.); (C.R.); (M.M.F.d.C.)
| | - Andrea Pirone
- Dipartimento di Scienze Veterinarie, Università di Pisa, Viale Delle Piagge 2, 56124 Pisa, PI, Italy; (C.L.); (A.P.); (A.B.); (C.R.); (M.M.F.d.C.)
| | - Alessandro Baglini
- Dipartimento di Scienze Veterinarie, Università di Pisa, Viale Delle Piagge 2, 56124 Pisa, PI, Italy; (C.L.); (A.P.); (A.B.); (C.R.); (M.M.F.d.C.)
| | - Claudia Russo
- Dipartimento di Scienze Veterinarie, Università di Pisa, Viale Delle Piagge 2, 56124 Pisa, PI, Italy; (C.L.); (A.P.); (A.B.); (C.R.); (M.M.F.d.C.)
| | - Dominga Soglia
- Dipartimento di Scienze Veterinarie, Università Degli Studi di Torino, Largo Paolo Braccini 2, 10095 Grugliasco, TO, Italy; (A.C.); (D.S.)
| | - Achille Schiavone
- Dipartimento di Scienze Veterinarie, Università Degli Studi di Torino, Largo Paolo Braccini 2, 10095 Grugliasco, TO, Italy; (A.C.); (D.S.)
| | - Margherita Marzoni Fecia di Cossato
- Dipartimento di Scienze Veterinarie, Università di Pisa, Viale Delle Piagge 2, 56124 Pisa, PI, Italy; (C.L.); (A.P.); (A.B.); (C.R.); (M.M.F.d.C.)
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