据我了解，公猪只有两个赚钱(Make money)途径，一是杀了卖肉，二是配种(Breeding)，前者终身只有一次赚钱机会而且按目前市场猪肉的价格来算能收回饲料成本(Cost)就不错了，事业恰似雪球，必须勇敢往前推，愈推愈...
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利用2头人工感染中等毒力猪瘟野毒耐过猪进行配种，诱发了猪瘟野毒垂直传播。
The artificial induced vertical transmission of hog cholera field virus in experiment was established by breeding 2 pigs which infected with middle toxicity of hog cholera field virus.
排卵率是限制母猪窝重的主要因子，在配种前提高采食量能显著性地增加排卵效率。
Ovulation rate is the principle factor limiting litter size in gilts and increasing the level of feed intake prior to mating will significantly increase ovulation rate.
选取4634头次不同配种季节奶牛的原始配种资料，统计分析气温和湿度对奶牛受胎率的影响。
Based on 4634 cows initial breeding data form different breeding seasons in the climatic south subtropics. The influence of temperature and humidity on concept rate(CR) of cows has been analysis.
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