dog sperm abstract assigment 2

dog sperm abstract assigment 2 - Stephen Kramer Cornell...

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Stephen Kramer 2/28/06 Cornell University Animal Science Assignment # 2 1. Cryopreservation was used for sperm saved from the cauda epididymus and vas deferens of domestic dog testes. Four glycerol concentrations were customized for cryopreservation of dog semen and two freezing rates were tested for their impact upon post-thaw spermatozoal ability to move spontaneously and independently as well as for their form and structure. However, no statistical differences were present between the four glycerol concentrations or the two freezing rates. Therefore, drastic reduction in which the percentage of live spermatozoa detected with Hoechst staining and a decrease in the percentage of spermatozoa to undergo fertilization after free-thawing ensued. Yet, there was no variation in the results of frozen-thawed spermatozoa to breach homologous oocytes. This research suggests that cryopreservation of epididymal dog sperm can be
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