So, since both the industry and the pig have changed, it makes sense that our feeding strategies must also change. 所以，既然养猪业和猪本身都发生了变化，我们也应该相应的改变我们的饲喂策略。
Porcine contagious pleuropneumonia is one of the five primary diseases that threaten modern pig industry throughout the world. 猪胸膜肺炎是国际上公认的危害现代养猪业的五大疾病之一。
