Key points of prevention and control of chicken diseases in autumn and winter alternate seasons
Release time:
Oct 26,2019
Autumn is the key period for the prevention and control of chicken enterprises. The temperature difference between autumn and winter is large, and the attack of cool wind is the main cause of viral disease in chickens. Therefore, the adjustment of management measures for flocks in autumn and winter and the correctness of disease prevention and control measures will determine the health of flocks in winter and directly affect the success or failure of flocks.
The measures formulated for the prevention and control of chicken epidemic diseases in autumn and winter season focus on upgrading management, avoiding cold wind attacks on chickens, avoiding temperature difference exceeding 3C °, carrying out reasonable immunization against possible epidemic diseases in advance and enhancing the physique of chickens.
First, pay attention to the temperature news in time and prevent cold wind attacks.
The arrival of cool wind and cold wind, the sudden drop in temperature is the most critical factor causing the disease of chickens in autumn and winter. According to the characteristics of pathogens and epidemics, respiratory diseases mainly occur in autumn and winter. Then, respiratory diseases are mainly avian influenza (AI), Newcastle disease (ND), infectious bronchitis (IB), and concurrent infections are mainly mycoplasma disease (MG). These diseases are all conditional diseases to some extent. According to the research in recent years, mild AIV, NDV and MG actually exist in chickens. The sudden or continuous appearance of cool wind and cold wind will stimulate the pathogenic increase of latent AIV, NDV and mycoplasma pathogens on the tracheal mucosa of chickens.
Therefore, the temperature changes in autumn and winter chicken enterprises should always pay attention to domestic meteorological changes, can take preventive measures in advance. For example, the opening degree of small ventilation windows is adjusted, whether there is air leakage on the walls and roofs of chicken houses, and whether wind prevention and heat preservation measures can be put in place while approaching temperature changes.
Second, timely vaccination of the type of vaccine, prevention and control of several diseases:
Like avian influenza, Newcastle disease, infectious bronchitis, etc.
Third, the implementation of chicken health care, enhance non-specific immune function, tree immune barrier
While doing a good job in the immune prevention of chickens, the application of Chinese veterinary drugs that can improve the immune function of chickens can greatly improve the immune effect of the vaccine.
The intestinal tract is the largest immune organ, and the balance of intestinal microflora should be adjusted and maintained to enhance immune function.
Four more observation of chickens, timely treatment of early onset of disease, relieve stress conditions
In autumn, winter and spring, it is suggested that the breeders take turns to check the chickens at night. For those with abnormal respiratory tract sounds, the disease should be determined as soon as possible to find out whether there is any problem with the environmental control system. Vaccination of the above diseases should be planned and vaccinated as early as possible, especially the number of avian influenza vaccination should be increased appropriately and the full dose should be given. For flocks with disease, the cause must be found. From the management to find, from the environmental control system to find, only the release of stress factors can really control, can really do a good job of prevention and control.
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