Prevention and control of cholera in farmed thrush birds
1. Etiology
Cholera, also known as pasteurellosis and hemorrhagic septicemia, is an acute septic infectious disease caused by Pasteurella multocida. Germs exist not only in sick birds, but also in healthy birds. When the resistance of birds decreases due to malnutrition, the bacteria invade the human body through respiratory tract infection or contaminated feed and drinking water, and the disease occurs through digestive tract infection.
2. Symptoms
The incubation period of the disease is 2mi for 8 days. The disease can be divided into fulminant type, acute type and chronic type. Birds suffering from fulminant disease have a short course of disease and often die suddenly without obvious symptoms; acute sick birds show symptoms: depressed spirit, dishevelled feathers, standing with eyes closed, head shrunken and back arched, no
Want to eat, with severe diarrhea, dyspnea, generally 1mi died in 3 days; chronic type: loss of energy, loss of appetite, weight loss, swelling of paranasal sinuses, increased secretions, persistent diarrhea, inflamed joints, inconvenience to walk, wing droop, course of disease more than 20 days.
3. Prevention and treatment
Prevention is mainly to strengthen feeding management, in addition to scientific allocation of nutrition, hygiene and regular disinfection, but also regular vaccination or feeding antibiotic feed. The treatment mainly uses penicillin, streptomycin, chloramphenicol, oxytetracycline, chlortetracycline and so on, but can only use one of them, not multiple at the same time. In addition, sulfonamides can also be injected intramuscularly, and the dosage is determined according to the size of the bird.
- Prev
Selection of cultured thrush and identification of male and female
Thrushes can be divided into four stages according to their age: ① nestling refers to the young that have not yet left the nest and cannot fly; ② soft hair refers to the nestling whose feathers have grown from the end of the nestling to the full feather; and ③ nestling refers to the young birds that molt from the soft haired bird to the following year. ④ Lao Mao means 2 years old.
- Next
Feeding and management of cultured thrush
(1) the newly captured thrushes in a quiet environment are relatively wild, do not adapt to life in cages, appear restless, desperately want to escape, and are also afraid of seeing people, so one bird and one cage should be kept separately to prevent casualties caused by pounding and pecking each other. To keep it as long as possible
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