猪繁殖性能障碍的主要因素及其防治对策

The Main Element and Curing Method Affecting the Swine Fertility

引起猪繁殖性能障碍的主要因素有先天性的遗传因素 (染色体的畸变 ,而导致生殖系统某一器官形态缺陷 ,生理机能失常或生化紊乱 )和后天性环境因素 (疾病、营养缺乏、热应激等改变猪妊娠期间的正常胚胎发育 )。采取的主要对策是淘汰由遗传因素造成永久性不育的个体猪只 ,控制由环境因素导致暂时性不育或低繁殖力的疫病等 。

the main element affecting the swines infertility its chromosomak aberation caused by the inherited genes, which lead to kinds of figure disformily of its genital system, the disorder of its physiological function and the unbalance of its bio chemistrycal system. Another factor is the acquired emomrnented condition, such as diseases malnutritions and stresses which change the formal growth of the swines embryo during its gestational period first, we can eliminate the swines temporary infertility through selecting and end the existence of those factors. Including disease mal nutritions and stress come from the surrounding so that, the profit on the swines industry will be promoted a lot. Further, more the swines industry will advance quickly towards a health and stable direction.