Treatment method ① All chickens were injected with infectious bursal hyperimmune serum or yolk antibody solution into the chest muscle at the early stage of the disease, and they could be cured in 1~2 days.

② Oral administration of quick-acting Guannang powder, Shenchong Jieduling and other Chinese patent medicines for 3-5 days is beneficial to the excretion of urate in kidney and the recovery of liver and kidney functions.

③ Guide chickens to drink more water. Antibiotics should be added to feed or drinking water to prevent complications or secondary bacterial infections, glucose and multivitamins should be added to help chickens resist epidemics and gradually recover, and the protein content in feed should be appropriately reduced.

④ The chicken farm is strictly sealed, isolated and disinfected.