A group of chickens for 265 days was described by the farmers, who had been prescribed drugs for 9 days, and they still did not improve. There were no chickens in the first five days. In the next four days, sporadic wounded chickens started 2-3 times a day, but the spirits were poor every day. There were not a lot of respiratory tracts in big chickens, snoring and coughing. Observe through the chicken house:
Clinical symptoms: During the day, it was almost inaudible, but some chickens coughed. Some chickens had slight runny noses and even some nodules. The large groups had good spirits. Some chickens were depressed and the manure did not change much. The feed intake decreased slightly. The egg layer is also somewhat lower, and the eggshell color is a bit lighter.
Changes in necropsy: major intestinal bleeding, rupture of follicles, formation of peritonitis, respiratory tract bleeding is not obvious, there is a small amount of sputum.
Expert opinion: I think chickens, in addition to hot and cold or cold winter, will have a cold, the weather is very hot, chickens and heat stroke, but also a cold. This chicken group is suffering from a cold due to heat stroke, which in turn causes secondary rhinitis.
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