Preventive trial of two strains of Lactobacillus on experimental E. coli in chickens.

Objective To observe the preventive effect of two strains of Lactobacillus,Streptococcus faecalis and Lactobacillus plantarum,on chicken E.coli.Method Two strains of Lactobacillus were added into feeds of broilers.14-day-old chicken was induced chicken E.coli by enteropathogenic E.coli from chichen.The attack rate,death rate and effective rate were calculated after 10 days.Result Chicken E.coli was induced successfully,and effective rate of prevention of the two strains of Lactobacillus against chicken E.coli was high significantly.Conclusion The two strains of Lactobacillus,Streptococcus faecalis and Lactobacillus plantarum,could prevent chicken E.coli.