Common Poultry Disease Prevention and Control of Geese - Chicken Infectious Synovitis

(1) Epidemiology and Symptoms The disease mainly occurs in young chickens of 3 weeks of age. The main route of transmission is direct contact and can also be transmitted by eggs. The mortality rate does not exceed 5% in general, and the disease rarely reoccurs after an epidemic. The diseased chickens are pale, sluggish, have stagnant growth, and have swollen joints, particularly in the hock and toe joints. Common blisters in the chest. Some chickens showed systemic infections, weight loss, dehydration, and stools were green. (B) pathological changes Joints, synovial cysts, tendons sheath mucus and milky white exudate. The exudate becomes caseous as the disease progresses. Liver, spleen and kidneys are swollen, and the liver surface has green or dark red spots. Sometimes cheese-like exudates are found under the head and neck, even under air bags. (c) Diagnosis Diagnosis can generally be made on the basis of symptoms. It is advisable to perform laboratory tests when diagnosed. (D) prevention and control can be added in the feed per ton of chlortetracycline 12 grams, has doubled the incidence of the disease. Other treatments refer to chronic respiratory diseases. China Agricultural Network Editor