仔猪白痢一般是一月龄内仔猪常发生的一种肠道传染病。以拉白色稀粪,发病率高、危害大、生长发育受阻为主要特征。病源主要是大肠埃希氏菌中某些致病的血清型。该病在国内外均较普遍。国内尚无免疫预防的办法。治疗方法虽多,但效果不理想。一般采用抗菌药物疗法,初用有效,尔后较差,或者甲地有效,乙地较差。为克服因使用抗菌药物,造成菌群失调和耐药性细菌增多等弊病, White spot diarrhea piglets are generally one-day-old piglets often occur as a contagious disease. In order to pull the white sparse dung, the incidence rate is high, endangering the growth and development of obstruction as the main feature. Pathogenicity is mainly caused by certain pathogenic serotypes of Escherichia coli. The disease is more common at home and abroad. There is no immune prevention in China. Although many treatments, but the effect is not satisfactory. The general use of antimicrobial drug therapy, initially used effective, then worse, or A effective, B less. To overcome the use of antibacterial drugs, resulting in dysbacteriosis and drug-resistant bacteria and other ills,