On September 20, 2006, 1500 Hailan brown layers were raised by a farmer in Lincheng County, Hebei Province. The diseased chicken has a mental fatigue, loss of appetite, pull-white or red fish-gut stools. After two days of drinking water with Analgin and multi-vitamins, the chickens were convulsed and died. They eventually went to our company for out-patient treatment. 1 Clinical symptoms The sick chickens are depressed, afraid of cold crowding, feathers are fluffy, feathers near the anus are contaminated with faeces, and the anus is self-defusing. Bloody or yellow undigested feed pellets in feces. 2 pathological changes Five of the dead chickens were dissected and found to have brush or patchy hemorrhages in the leg muscles and pectoral muscles; duodenal flatulence, hemorrhage or hyperemia, shedding or flaking of intestinal mucosa, ileal edema, swollen and congested tonsils of the cecum, glandular patchy bleeding; The bursa of Fabricius is a purple grape; 3 treatment 3.1 Interferon (produced by Dalian Sanyi Pharmaceutical Co., Ltd.), 3 times intramuscularly. 3.2 Shenhua 100 grams (produced by Hebei Zijin Animal Pharmaceutical Co., Ltd.), 1 bag per day, 100 grams of enteric poison (produced by Hebei Zijin Animal Pharmaceutical Co., Ltd.), 2 bags per day, and concentrated drinking water once in the morning after mixing ( Drink within 2 hours). 3.3 grams of ball spirit 100 grams (produced by Hebei Zijin Animal Pharmaceutical Co., Ltd.), drinking water in the afternoon. 3.4 kidney Kang 3 bags, all day spices, 1500 chickens for 1 day. After the above drugs were used together for 4 days, they returned to the telephone and the chickens basically returned to normal. The feed intake basically recovered and the chickens returned to health on the seventh day. 4 Summary Since these batches of chickens are bred in summer, excessive humidity, poor sanitation, and poor ventilation are the main causes of the disease.
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