Abstract: farrowing is one of the most important part in the pig industry, the duration of farrowing influences the number of live birth as well as piglets survival rate.
2
摘要：母猪分娩是养猪生产中非常重要的环节之一，产程不仅影响窝产活仔数，而且还影响仔猪出生后成活率。
Abstract: farrowing is one of the most important part in the pig industry, the duration of farrowing influences the number of live birth as well as piglets survival rate.
3
猪霍乱沙门氏菌是引起仔猪副伤寒的主要病原菌，给养猪业造成重大危害。
Salmonella choleraesuis(S. choleraesuis) is the main pathogen of piglet paratyphoid, causing severe harm to pig industry.
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