Observation of the Curative Effect of Isatis indigotica on Artificial Infected Colibacillosis in Chicken
ZHAO Yin-li et al (College of Biological Engineering, Henan Unversity of Industry, Zhengzhou, Henan 450052)
The experiment taken Escherichia coli in chicken as the research object. It was detected that the minimum bacteria inhibition concentration of Isatis indigotica was 1:4 using the combination of tube two fold dilution method and plate method. Isatis indigotica was used to cure the artificial infected colibacillosis in chicken. Result showed that the concentration of 1:4 could play the role of over 90 % protection. Isatis indigotica was effective in treatment of chicken colibacillosis.