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Porcine reproductive and respiratory syndrome (PRRS) is characterized by reproductive failure of pregnant sows and respiratory distress of piglets and growing pigs. The disease is caused by the PRRS virus.
猪繁殖与呼吸综合征(porcine reproductive and respiratory syndrome PRRS)是一种以妊娠母猪繁殖失败和仔猪出现呼吸困难为主要特征的传染病。
参考来源 - 猪繁殖与呼吸综合征病毒结构蛋白单克隆抗体的制备及其抗原表位的鉴定·2,447,543篇论文数据，部分数据来源于NoteExpress
因此，妊娠母猪也应像生长猪一样采取阶段饲喂。
Therefore, phase feeding like growing pigs should be implemented in the feeding of pregnant sows.
结果发现，所有观察组妊娠母猪都有一定数量的无食咀嚼、啃栏、啃槽等行为规瘸发生。
The results showed that every group expressed many vacuum chewing, bar-biting or manipulating trough behavior.
因此熟练掌握妊娠母猪的变化、胎儿发育规律和精细的饲养妊娠母猪对猪场效益的提高起着至关重要的作用。
Therefore grasps the pregnancy sow skilled the change, the embryo developmental mechanism and the fine raising pregnancy sow to the pig farm benefit enhancement very important function.
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