Özet:

In a total of 120 first and second semen ejaculates collected with 15 minuts interval from 6 Austrian Brown bulls were studied regarding their spermatological characteristics, such as semen volum (cc), pH, sperm concentration (x 106/cc3), sperma motility (%) and abnormal sperm rate (%). The overal average of the spermatological characteristics stated above for the first and second ejaculates were found to be 5.38, 6.7, 54.58, 823.333, 29.76 and 5.40, 6.8, 62.58, 953.333 and 21.80, respectively. ejaculates. I Especially the sperm concentration and sperm motility were significantly higher in the second ejaculates than the first while abnormal sperm rate was lower in the second ejaculates. It is concluded that rutin determination of spermatological characteristics should be done beside the microbial control of bull semen used in artificial insemination.

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