Abstract: In order to probe into prevention and treatment effect of Ben Lamge granules on chicken infectious bursal disease, 26-day-old SPF chickens were infected with IBDV virulent strain BC-6/85 artificially, and Ben Lamge granules with different doses were joined in drinking water before and after challenge. Clinical symptoms, pathological changes, statistics lesion score, immune organ index of chicken were observed. The results showed that Ben Lamge granules with middle and high doses groups could improve the infectious bursal disease state of mind, alleviate the damage of the disease of chicken immune organs, increase blood leukocyte phagocytosis rate, increase the food intake and body weight gain administered via drinking water. The results showed that 3 g/L Ben Lamge granules could effectively prevent and control the chicken infectious bursal disease administered via drinking, continuous administration of 5 d.

Key words:

Ben Lamge granules; chicken infectious bursal disease; prevention and treatment