Methods of prevention and control of tuberculosis in chickens

Chicken tuberculosis is a chronic disease, which generally affects the growth rate of chickens, and then it is a contact infectious disease, which occurs in domestic and foreign farms. Chickens with a short feeding period may not be discovered until they are planed. However, this disease is highly polluting, need to pay attention to prevention and control, specific understanding of the causes of the disease and control methods, please continue to read the following content.

I. the cause of the disease

Chicken tuberculosis is a contact disease caused by avian tuberculosis bacilli infection. Bacteria are bacteria that need oxygen to survive, reproduce normally at normal temperature, reduce reproduction in high temperature, and lose vitality. It can be killed too quickly with bleach and alcohol. The use of antibiotics has a better control effect. The disease spreads easily and mainly infects chickens.

Second, symptoms

At first, the chicken will be lethargic, lose weight, and then it will appear. The phenomenon of prolapse of the chicken crown and deformation of the sternum will lead to serious symptoms of dysentery, inconvenience in movement, and paralysis of the feet. After dissecting the chicken body, it was found that there were particles in the hepatomegaly. Tuberculosis granules were found in many places of spleen and stomach, intestines and lungs.

III. Preventive measures

1. Exterminate

Infected chickens can be directly killed, buried or burned, and then the henhouses are disinfected, healthy chickens are quarantined, and it is found that newly infected chickens have to be isolated and raised outside the farm, and after long-term treatment, inject drugs. Return to the group after recovery.

two。 Epidemic prevention

Every year, chickens should be quarantined in time after birth, and quarantined regularly in the future. You can also be vaccinated to prevent the disease. Keep the environment clean at ordinary times, clean every day, and spray disinfectant regularly. The excreta should be piled up and disinfected with the agent after it is mature.

3. Disinfection

The eggs laid by diseased chickens cannot be kept, nor can the chickens laid. These all carry germs and must be burned. Lime should be sprinkled around the chicken pen farm to isolate the source of infection from the outside world. people entering the farm should wear overalls, receive ultraviolet disinfection, and enter the pedal disinfection pool. chickens should be disinfected regularly with disinfection equipment.

Chicken tuberculosis can infect many poultry, so breeding needs many aspects to pay attention to infection, isolation and elimination of the source of infection is the most important preventive measure. Destruction after infection is the main means of control, if a large-scale epidemic occurs, timely treatment is the most critical method.