UN SDG
Livestock Studies 1994, Vol 34, Num, 3-4     (Pages: 001-008)
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Effects of the addition of different egg yolk amountsto skimmilk extenders on post-thaw spermatological characteristics

Kemal AK 1 ,Kamuran İLERİ 1 ,Adnan ÖZKOCA 1 ,Haluk MOGOLKOÇ 2

1 İ. Ü. Veteriner Fakültesi, Dölerme ve Sun'i Tohumlama Anabilim Dalı, 34851, Avcılar / İSTANBUL
2 Tarım ve Köyişleri Bakanlığı, İstanbul İl Müdürlüğü - In this study, the bull semen collected from 5 Holstein bulls were extended with skimmilk which conta1ned 0 %, 5 %, 10 % and 20 % egg-yolk and frozen in straws. Before freezing and post-thawing, motility and morphological abnormal rates were examined, and de termined as similar. Fertility rates gained from 220 inseminations were not different among extenders. The difference was not important statistically. Keywords :