How to prevent epidemic and deworming during the free-raising period of Chai chicken?

(agricultural Wealth net) how to prevent epidemic and deworming during the free-raising period of Chai chicken? According to the chicken epidemic prevention procedure, 30-day-old chicken Newcastle disease Ⅰ freeze-dried vaccine nose or eye drop 1.5, chicken pox subcutaneous injection of double needles; 40-day-old avian influenza oil vaccine subcutaneous injection of 0.4ml; 50-day-old laryngotracheitis freeze-dried vaccine eye One dose of 60-day-old freeze-dried vaccine of Newcastle disease Ⅰ, one dose of 90-day-old laryngotracheitis vaccine, one dose of subcutaneous injection of 110-day-old chicken pox freeze-dried vaccine, 4 portions of drinking water of Newcastle disease Ⅳ line and 0.6ml of 120-day-old avian influenza oil vaccine were injected intramuscularly. For parasitic diseases of chickens, levamisole or albendazole is generally used to drive worms, while Qiubao and other drugs are regularly used to control coccidiosis.