Effect of uterine fluid on in vitro acrosome reaction of buffalo (Bubalus bubalis ) spermatozoa |
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Authors: | Sidhu K S Bassi A Singh N Guraya S S |
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Affiliation: | ICMR Advanced Centre in Reproductive Biology, Department of Zoology, Punjab Agricultural University, Ludhiana-141 004 India. |
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Abstract: | The present study was undertaken to examine in vitro acrosome reaction in the uterine fluid of estrous buffalo. Successful acrosome reaction was achieved by incubating buffalo spermatozoa in 2% detoxified uterine fluid in Biggers Whitten Whittingham (BWW) medium, pH 7.4 at 37 degrees C and a sperm concentration of 36 x 10/ml. Neat uterine fluid has been found to be toxic to spermatozoa, hence we detoxified the uterine fluid at 56 degrees C for 30 min, which resulted in higher percentage of sperm motility, viability, and acrosome reaction. All the three stages of acrosome reaction i.e., acrosome swelling, vesiculation and shedding, were observed and they reached an apparent maximum at 4, 7 and 8 h of incubation, respectively. The significance of the findings in relation to the role of female reproductive tract in acrosome reaction is discussed. |
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