Some studies on fertility in baladi bucks, with special reference to seasonal effect

Document Type : Original Articles

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Abstract

This study aimed to evaluate the fertility in Baladi bucks during three dffferent sea­ sons using ultrasonographic examination and semen analysis. Six mature (two years old) Baladi bucks were included in this experiment. Sonographic examination was car­ ried out once a week. Moreover, Semen analysis was conducted twice weekly to evalu­ ate its quality. E;jaculate volume (0.99 ml), total sperm output per ejaculate (5.26 ± 0.10 x1o9 jml}, mass motility score (3.75), live ratio (81.31%) and individual motility (70.63%) were highest at Autumn while sperm cell abnormalities (6.88%) and sperm cell concentration (5.26 xl o9] were highest at Spring. It could be concluded that, season had signfjicant i.r!fl.uence on fertility of Baladi bucks and thefertility was best at Autumn.This study aimed to evaluate the fertility in Baladi bucks during three seasons (spring, summer and autumn) using ultrasonographic examination and semen analysis.

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