Boar

The genetic evaluation on 21d litter weight of Yorkshire boars by the method of BLUP;

利用BLUP法对大约克夏种公猪的21日龄窝重进行遗传评估的研究

18 mature buck goats were selected and divided into 3 group according to ejaculate volume,cashmere yield and age with 6 goats per group.

本试验以辽宁绒山羊种公羊为对象研究了日粮能量、蛋白质水平对种公羊精液品质的影响。

Effects of Chinese herb additives on the sperm quality and ratio of fertilization in breeder cocks;

中草药复方添加剂对繁殖后期种公鸡精液品质及种蛋受精率的影响

This research was conducted to evaluate the effects of Chinese herb feed additives on sperm quality, plasma reproductive hormone, physiological and biochemical parameters during later reproductive stage of Nick T breeder cocks.

本试验采用单因子完全随机化设计,研究了日粮中添加不同剂量的中草药复方对繁殖后期尼克T种公鸡繁殖性能和血液生理生化指标的影响。

Influence of dietary organic selenium on the sperm vitality of breeding bulls;

添加适量有机硒对种公牛精子活力的影响

The utility of MIS of breeding bulls in China;

计算机在全国种公牛站信息管理中的应用

The scrotal circumferences(SC) and some semen qualitative characteristics including semen volume,sperm motility and concentration, 6 wks semen production and effective sperm counts of breeding bulls in four breeds(21 Simmental,12 Limousin,6 Gelbvich and 12 Holstein) were measured in the Zhongda Breeding Bull Station of Shandong.

通过对山东中大种公牛站现有四个品种(西门塔尔、利木赞、盖普威、荷斯坦)种公牛阴囊周径(scrotal circumference,SC)的测量,分析其与采精量、精子活率、精子密度、6周总采精量、6周总有效精子数5个指标间相关关系。