Pigs are not easy to raise after weaning? It is likely that this is the reason!

PRRS  has become one of the most serious diseases that endanger the development of the pig industry, and it has already existed widely in pig herds. The infection rate of PRRS (including antibody-positive and virus-positive) in pig herds in my country is very high, and there are almost no PRRS-negative pig farms. The sows are recessively … Read more