Strictly sterilize and prevent the infection from prosperous in the hot season and the environment is heavier. For example, Staphylococcus, Escherichia coli and other pathogenic bacteria exist in the feathers and skin of livestock and poultry, and they are common microorganisms in the breeding environment. Injections are used. Method of immunization can easily lead to infections in livestock and poultry with the pinhole. Therefore, before the immunization, the syringe should be first completely sterilized, and adhere to the practice of a livestock and a needle. Sterilization can be used to boil sterilization method, most of the bacterial spores can be killed by boiling for 15-30 minutes.
Reducing heat stress in livestock and poultry When the livestock and poultry are under heat stress, the immune response capability is reduced, which seriously affects the effectiveness of the vaccine. If feeding and management can no longer keep up, it can easily cause immune failure. Therefore, when taking vaccination, comprehensive summer cooling measures should be taken to reduce the temperature and reduce heat stress. Methods include adjusting feed formulas, installing high-power exhaust fans, strengthening ventilation, and cooling water curtains. In emergencies, cold water can be used to directly spray livestock and poultry and ensure cool drinking water. Adding sodium bicarbonate, ammonium chloride, and various vitamins (especially vitamin C and vitamin E) to the feed can effectively improve the ability of livestock to resist heat stress and ensure the normal effect of the vaccine.
Vaccination with the appropriate methods are subcutaneous, intradermal, intramuscular, skin thorn, water, eye drops, spray, oral and other immune methods, the summer should choose a less stressful approach, namely, drinking water immunization. It is worth noting that when the temperature is high, the drinking time cannot exceed 2 hours. Otherwise, the time is too long and it is very easy to cause the death of the attenuated vaccine and lead to the failure of immunity. At the same time, the amount of water should not be too small and the sink should be sufficient to ensure that all livestock and poultry can drink water to obtain immunity. In addition, the addition of interleukins and protective agents to vaccines during immunization against drinking water can play a multiple role in protecting vaccines and improving immune effects. The amount of immune stress on the spray is minimal, but the conditions are high. Care should be taken to test various performances of the aerosol machine to ensure the immune effect.
Choosing the right time to determine the time of summer vaccination is very important, it is best to be immune to cool weather or cloudy days, if sunny, to be immunized in the morning.
Pay attention to the immunization interval Each vaccination is a greater stress on the body of livestock and poultry, vaccination can not be too frequent, in principle, two vaccination intervals of not less than 5 days, in order to give the body an immune response and adjustment opportunities . If you are repeatedly vaccinated, the stress on the body is too large, resulting in decreased immunity, and it is easy to take advantage of certain diseases. Therefore, it should be noted that the time interval between summer vaccination should not be too short, the immunization procedure should be simplified, and multi-joints should be used as much as possible.
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