Symptoms and prevention measures of infectious laryngotracheitis
Diseased chickens are extremely difficult to breathe and are more pronounced than any other respiratory disease. It can be seen that some of the diseased chickens stretched their necks to inhale their mouths and bowed their necks to exhale. At any time in the house, strange chickens could be heard. Sometimes sick chickens are slapped. Dead chickens appear soon after the onset of the flock. After dissection, bloody secretions are seen at the throat and the spectacle. This change has a high diagnostic value. Long-dwelling chickens often do not see bleeding changes in the larynx and trachea, but are often blocked by secretions and suffocate.
After this disease occurs, a large group of antibiotics can be used to control the occurrence of chicken fleas, E. coli, and chronic respiratory diseases. If the secondary disease is well controlled, the mortality rate of the flock is not high. The key to preventing and treating this disease is to do a good job of the chickens' immunity. It was immunized once at 50 days of age and once at 90 days. The virulence of the infectious laryngotracheitis vaccine is slightly stronger, and there is a certain reaction after chicken immunity. I hope everyone can pay attention.
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