Staphylococcosis is an acute septic infection of chickens. A very small proportion of chickens are chronic. Its main features are omphalitis, arthritis, skin necrosis and synovitis. The chicks are mostly acutely sepsis after infection, the young ones are acute, and a few are chronic; the majority of adult chickens also become chronic and the mortality of the disease is very high.
Symptoms: According to the age of the chicken, the length of the infection, the status of the body and the body of the chicken, the symptoms of the disease are not the same.
Acute septic type: When the systemic symptoms occur in the diseased chicken, the body temperature rises, the spirit is depressed, the food is reduced or disqualified, and people are reluctant to move around, often stand upright, the wings on both sides are drooping, the eyes are half-closed, and the feathers are loose and dull. . A small number of diseased chickens squatted and excreted white or yellow-green dilute feces; diseased chickens died within 2 to 5 days, and acute dehydration and death occurred at the fastest 1 to 2 days.
Types of arthritis: In addition to the general symptoms, the diseased chicken is mainly characterized by arthritis and swollen joints. In particular, tendons and ankle joints are more common. They are purple-red or black, and some of them are ulcerated and contaminated. Adult toe tumor, swollen feet. The diseased chickens that developed arthritis were walking and walking, lying in the ground and thirsty and drinking. However, because of difficulties in eating, the chickens gradually became thin and eventually died of systemic weakness.
Omphalitis type: omphalitis is umbilical corditis. It is a type of staphylococcal disease that occurs in newly hatched chicks. It is a great hazard to chicks. Diseased appetite decreased, lack of energy, fluffy feathers and other systemic symptoms, but also abdominal distension, umbilicus inflammation of red and swollen, partially yellow, purple and black. Broilers can die 2 to 5 days after hatching.
Diagnosis: The diagnosis of the disease is based on the epidemiological characteristics of the epidemic, pathological changes, on-site observation, we can make a preliminary diagnosis.
Treatment: Once the disease occurs, diagnosis should be made promptly and the following injections and medications should be taken.
Hyperchlorosulfide injection: When staphylococcal disease occurs, in the case of a small number of diseased chickens, the amount of super-chlorinated staring agent is 2.5 to 5 mg/kg body weight, intramuscularly, twice a day; tetracycline and oxytetracycline: According to each chicken 50 ~ 100 ~ 150 mg orally, or 10 grams per kilogram of body weight into the feed, so that the chicken free to eat; streptomycin: according to each chick 40 to 50 to 80 mg, adult chicken Only 0.2-0.4 g, intramuscular, twice daily; Ampicillin: 5-6 mg/kg body weight per chick, intramuscular injection, 1-2 times daily; Sulfamethazine 0.5%-1% mixed feed Feeding; kanamycin at 15 to 20 mg per kilogram of body weight, intramuscularly, twice daily for 2 days.
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