What are the prevention and treatment methods for yolk sac inflammation in chicks?

Prevention and treatment of yolk sac inflammation in chicks: pick out the sick chicks and raise them separately, inject penicillin-streptomycin intramuscularly, 10,000 units per chick. For the whole flock, mix 0.1% chloramphenicol and double the amount of multivitamins into the feed, add 5% glucose to the drinking water, and feed continuously for 3 days. For traditional Chinese medicine, mix ginger (0.4 grams per chick) with baijiu (0.2 milligrams per chick) and blend into the feed, using continuously for 3 days.