It is caused by the bacterium Lawsonia intracellularis, and is more accurately described as regional enteritis or proliferative ileitis .
这是由于细菌劳森菌，并更准确地描述为区域肠炎或增殖回肠炎。
It is caused by the bacterium Lawsonia intracellularis, and is more accurately described as regional enteritis or proliferative ileitis .
这是由于细菌劳森菌，并更准确地描述为区域肠炎或增殖回肠炎。
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