| Effect of various extenders and taurine on survival of stallion sperm cooled to 5 degrees C. | |
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MedLine Citation:
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PMID: 16727798 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Stallion semen was diluted in five different extenders (dimitro-poulus onze (Dimitro's), Kenney's modified tryode (Kenney's), modified INRA82 (INRA82), egg yolk-citrate-taurine (Citrate) and EZ-Mixin) and evaluated for motility after cooling and storage at 5 degrees C for 0, 24, 48, 72 and 96 h. EZ-Mixin extender was used as control while 70 and 100 mM of taurine were added to Dimitro's, Kenney's and INRA82 to study its effect under conditions of storage at 5 degrees C and varying processing modifications. Motility in INRA82 was 57.0, 58.4, 61.1, and 56.1% after 24, 48, 72 and 96 h, respectively and was higher (P < 0.05) than in other extenders after 48, 72, and 96 h. Motility decreased over time in Dimitro's (P < 0.05) and Kenney's (P < 0.01). Motility in INRA82 and EZ-Mixin decreased (P < 0.05) after 24 h and then remained unchanged until 96 h. In taurine (70 mM) containing extender Citrate, motility decreased throughout storage. Motility in INRA82 and Kenney's with taurine decreased (P < 0.05 and P < 0.01, respectively) after 48 h, and then remained stable until 96 h only in INRA82 with taurine. Motility in INRA82 with taurine was higher (P < 0.05) than in Citrate throughout incubation, whereas motility in INRA82 with taurine was higher than in EZ-Mixin and Kenney's with taurine after 24 and 48 h, respectively. Motility in INRA82 and Kenney's with taurine improved (P < 0.05) when osmotic pressure was increased with taurine (100 mM) but not when osmotic pressure was increased with Na (+) and K (+) salts. Motility was always higher (P < 0.01) in taurine (70 mM or 100 mM) containing extenders than in non-taurine extenders, Dimitro's, INRA82, and Kenney's, when sperm were incubated for 24 h at 5 degrees C in these extenders, then washed and incubated at 39 degrees C in Sp-TALP for 12 or 24 h. In conclusion 1) INRA82 was a better extender than the other extenders tested. 2) inclusion of taurine (100 mM) in INRA82 and Kenney's improved sperm survival until 96 and 48 h, respectively, and 3) sperm preincubation for 24 h in taurine containing extenders resulted in better sperm survival when washed and stored in Sp-TALP for further 12 or 24 h. |
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Authors:
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A Ijaz; R Ducharme |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Theriogenology Volume: 44 ISSN: 0093-691X ISO Abbreviation: Theriogenology Publication Date: 1995 Nov |
Date Detail:
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Created Date: 2006-05-26 Completed Date: 2007-07-17 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0421510 Medline TA: Theriogenology Country: United States |
Other Details:
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Languages: eng Pagination: 1039-50 Citation Subset: - |
Affiliation:
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Centre d' Amelioration des Races Equines du Quebec, Division de la Cooperative des Inseminateurs du Quebec, St-Hyacinthe, Canada. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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