Effect of group thawing on post-thaw viability of bovine spermatozoa packaged in .5-milliliter French straws

The objective of this study was to determine the effects of thawing groups of 2, 5, 10, 15, or 20 .5-ml French straws on post-thaw spermatozoal viability. Thermostatically controlled and nonthermostatically controlled thawing baths were compared. Using a split-plot design, semen from 10 bulls was ex...

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Veröffentlicht in:Journal of animal science 1991-06, Vol.69 (6), p.2303-2309
Hauptverfasser: Brown, D. W., Jr, Senger, P. L, Becker, W. C
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container_end_page 2309
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container_title Journal of animal science
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creator Brown, D. W., Jr
Senger, P. L
Becker, W. C
description The objective of this study was to determine the effects of thawing groups of 2, 5, 10, 15, or 20 .5-ml French straws on post-thaw spermatozoal viability. Thermostatically controlled and nonthermostatically controlled thawing baths were compared. Using a split-plot design, semen from 10 bulls was extended in egg yolk citrate, frozen, and then thawed (in the respective groups) at 36 degrees C in two types of thawing baths. Motility and percentage of intact acrosomes were determined immediately after thawing (0 h) and again after 4 h of incubation at the respective temperature of each thawing bath. Neither percentage of intact acrosomes nor motility was influenced by the number of straws thawed at 0 h (P > .05). Thawing bath had no effect (P > .05) on motility or percentage of intact acrosomes at 0 h. Bull variation was significant in both the 0- and 4-h evaluations. After 4 h of incubation, there was a significant (P < .05) straw number X thawing bath interaction. When 15 or 20 straws were thawed in the thermostatically controlled bath there was a reduction (P < .05) in motility and percentage of intact acrosomes. However, in the nonthermostatically controlled bath there was no reduction in motility and percentage of intact acrosomes as the size of straw group increased. Our results indicate that, when using a nonthermostatically controlled thawing bath, semen packaged in .5-ml straws can be thawed in groups of 20 without an effect on post-thaw sperm viability.
doi_str_mv 10.2527/1991.6962303x
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W., Jr ; Senger, P. L ; Becker, W. C</creator><creatorcontrib>Brown, D. W., Jr ; Senger, P. L ; Becker, W. C ; Washington State University, Pullman</creatorcontrib><description>The objective of this study was to determine the effects of thawing groups of 2, 5, 10, 15, or 20 .5-ml French straws on post-thaw spermatozoal viability. Thermostatically controlled and nonthermostatically controlled thawing baths were compared. Using a split-plot design, semen from 10 bulls was extended in egg yolk citrate, frozen, and then thawed (in the respective groups) at 36 degrees C in two types of thawing baths. Motility and percentage of intact acrosomes were determined immediately after thawing (0 h) and again after 4 h of incubation at the respective temperature of each thawing bath. Neither percentage of intact acrosomes nor motility was influenced by the number of straws thawed at 0 h (P &gt; .05). Thawing bath had no effect (P &gt; .05) on motility or percentage of intact acrosomes at 0 h. Bull variation was significant in both the 0- and 4-h evaluations. After 4 h of incubation, there was a significant (P &lt; .05) straw number X thawing bath interaction. When 15 or 20 straws were thawed in the thermostatically controlled bath there was a reduction (P &lt; .05) in motility and percentage of intact acrosomes. However, in the nonthermostatically controlled bath there was no reduction in motility and percentage of intact acrosomes as the size of straw group increased. 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W., Jr</creatorcontrib><creatorcontrib>Senger, P. L</creatorcontrib><creatorcontrib>Becker, W. C</creatorcontrib><creatorcontrib>Washington State University, Pullman</creatorcontrib><title>Effect of group thawing on post-thaw viability of bovine spermatozoa packaged in .5-milliliter French straws</title><title>Journal of animal science</title><addtitle>J Anim Sci</addtitle><description>The objective of this study was to determine the effects of thawing groups of 2, 5, 10, 15, or 20 .5-ml French straws on post-thaw spermatozoal viability. Thermostatically controlled and nonthermostatically controlled thawing baths were compared. Using a split-plot design, semen from 10 bulls was extended in egg yolk citrate, frozen, and then thawed (in the respective groups) at 36 degrees C in two types of thawing baths. Motility and percentage of intact acrosomes were determined immediately after thawing (0 h) and again after 4 h of incubation at the respective temperature of each thawing bath. Neither percentage of intact acrosomes nor motility was influenced by the number of straws thawed at 0 h (P &gt; .05). Thawing bath had no effect (P &gt; .05) on motility or percentage of intact acrosomes at 0 h. Bull variation was significant in both the 0- and 4-h evaluations. After 4 h of incubation, there was a significant (P &lt; .05) straw number X thawing bath interaction. When 15 or 20 straws were thawed in the thermostatically controlled bath there was a reduction (P &lt; .05) in motility and percentage of intact acrosomes. However, in the nonthermostatically controlled bath there was no reduction in motility and percentage of intact acrosomes as the size of straw group increased. 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C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c257t-bb1163597304d166635ee187b0a3f4029700f176e28ff978599f2b81a605ceaf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Analysis of Variance</topic><topic>Animals</topic><topic>artificial insemination</topic><topic>bulls</topic><topic>Cattle - physiology</topic><topic>Cell Survival</topic><topic>congelacion</topic><topic>congelation</topic><topic>Cryopreservation - veterinary</topic><topic>decongelation</topic><topic>descongelacion</topic><topic>freezing</topic><topic>inseminacion artificial</topic><topic>insemination artificielle</topic><topic>Male</topic><topic>mouvement</topic><topic>movement</topic><topic>movimiento</topic><topic>semen</topic><topic>Semen Preservation - veterinary</topic><topic>Sperm Motility</topic><topic>Spermatozoa - physiology</topic><topic>sperme</topic><topic>taureau</topic><topic>Temperature</topic><topic>thawing</topic><topic>toro</topic><topic>viabilidad</topic><topic>viabilite</topic><topic>viability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Brown, D. W., Jr</creatorcontrib><creatorcontrib>Senger, P. L</creatorcontrib><creatorcontrib>Becker, W. C</creatorcontrib><creatorcontrib>Washington State University, Pullman</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of animal science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Brown, D. W., Jr</au><au>Senger, P. L</au><au>Becker, W. C</au><aucorp>Washington State University, Pullman</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of group thawing on post-thaw viability of bovine spermatozoa packaged in .5-milliliter French straws</atitle><jtitle>Journal of animal science</jtitle><addtitle>J Anim Sci</addtitle><date>1991-06</date><risdate>1991</risdate><volume>69</volume><issue>6</issue><spage>2303</spage><epage>2309</epage><pages>2303-2309</pages><issn>0021-8812</issn><eissn>1525-3163</eissn><eissn>0021-8812</eissn><abstract>The objective of this study was to determine the effects of thawing groups of 2, 5, 10, 15, or 20 .5-ml French straws on post-thaw spermatozoal viability. Thermostatically controlled and nonthermostatically controlled thawing baths were compared. Using a split-plot design, semen from 10 bulls was extended in egg yolk citrate, frozen, and then thawed (in the respective groups) at 36 degrees C in two types of thawing baths. Motility and percentage of intact acrosomes were determined immediately after thawing (0 h) and again after 4 h of incubation at the respective temperature of each thawing bath. Neither percentage of intact acrosomes nor motility was influenced by the number of straws thawed at 0 h (P &gt; .05). Thawing bath had no effect (P &gt; .05) on motility or percentage of intact acrosomes at 0 h. Bull variation was significant in both the 0- and 4-h evaluations. After 4 h of incubation, there was a significant (P &lt; .05) straw number X thawing bath interaction. When 15 or 20 straws were thawed in the thermostatically controlled bath there was a reduction (P &lt; .05) in motility and percentage of intact acrosomes. However, in the nonthermostatically controlled bath there was no reduction in motility and percentage of intact acrosomes as the size of straw group increased. Our results indicate that, when using a nonthermostatically controlled thawing bath, semen packaged in .5-ml straws can be thawed in groups of 20 without an effect on post-thaw sperm viability.</abstract><cop>United States</cop><pub>Am Soc Animal Sci</pub><pmid>1885350</pmid><doi>10.2527/1991.6962303x</doi><tpages>7</tpages></addata></record>
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identifier ISSN: 0021-8812
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0021-8812
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source MEDLINE; Alma/SFX Local Collection
subjects Analysis of Variance
Animals
artificial insemination
bulls
Cattle - physiology
Cell Survival
congelacion
congelation
Cryopreservation - veterinary
decongelation
descongelacion
freezing
inseminacion artificial
insemination artificielle
Male
mouvement
movement
movimiento
semen
Semen Preservation - veterinary
Sperm Motility
Spermatozoa - physiology
sperme
taureau
Temperature
thawing
toro
viabilidad
viabilite
viability
title Effect of group thawing on post-thaw viability of bovine spermatozoa packaged in .5-milliliter French straws
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