A comparison of semen thawing for artificial insemination in cattle.

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Title: A comparison of semen thawing for artificial insemination in cattle.
Author: Kaczyk, Brittni L.
Abstract: Beef cows (n=23 ) were used to compared conception rates of two different thawing methods used for artificial insemination (AI ) . Cows were divided into the treatment or control group based on time of estrus . In the treatment , frozen semen was placed directly into the AI gun and inserted into the female for deposition after a minimum of 30 seconds . The control females experienced the typical thawing process of semen straws placed in a water bath for a minimum of 30 seconds , then loaded into the AI gun and deposited into the uterus of the female . Conception rates were similar between semen thawing methods (P > 0 .51 ) . Additionally , the study analyzed semen motility using the two different thaw methods and found no difference (P = 1 .0 ) . In conclusion , thawing semen directly in the reproductive tract of the female provides the same conception rates as traditional thaw methods .
URI: http : / /hdl .handle .net /2346 .1 /20
Date: 2011-05-26

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Kaczyk, Brittni L. A comparison of semen thawing for artificial insemination in cattle.. Master's thesis, Angelo State University. Available electronically from http : / /hdl .handle .net /2346 .1 /20 .

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