| 摘要 |
The invention refers to the veterinary medicine, namely to methods of infectious disease immunoprophylaxis to birds. The method of avian infectious bursitis immunoprophylaxis, according to the invention, includes the double vaccination of chickens with vaccine from the attenuated strain Winterfield at the age of 7...15 days with an interval of 10...11 days, at the same time during 5 days before and 5 days after the first vaccination the chickens are administered during watering a 3...10% suspension of propolis in a 75% hydroalcoholic solution, in a quantity of 6,2...22,2 mg of propolis per capita. The result consists in increasing the weight and physiological resistance of the chickens, and in decreasing their mortality.
|
