作者: B. Szostak , A. Apostolov , J. Marchev
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摘要: SZOSTAK, B., A. APOSTOLOV and J. MARCHEV, 2015. The infl uence of the libido Polish Large White boars on their ejaculates. Bulg. Agric. Sci., 21: 394–398 In paper sexual behaviour features ejaculates was defi ned. taking part in study were divided into three groups: I – high-libido (mounting dummy within 3 min), II medium-libido (peaceful mounting 5 min) III low-libido 10 min). found that ejaculate parameters expressing various behaviors signifi cantly diversifi ed. highest level behavior (group I) characterized by greatest amount ejaculate, number spermatozoa with progressive motility biggest insemination doses from one ejaculate. total defective produced gonads lowest 10.9%, making this group different groups II.