致病性大肠杆菌引起的仔猪断奶后腹泻和水肿病仍然是危害养猪业的重要疾病，给养猪业造成了很大的经济损失。
Porcine postweaning diarrhea and oedema disease are still responsible for considerable economic losses, and E. coli is a common porcine enteric pathogen.
致病性大肠杆菌引起的仔猪断奶后腹泻和水肿病仍然是危害养猪业的重要疾病，给养猪业造成了很大的经济损失。
Porcine postweaning diarrhea and oedema disease are still responsible for considerable economic losses, and E. coli is a common porcine enteric pathogen.
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