The drinking method dissolves the vaccine in water and poultry are immunized by drinking water. Drinking water immunization should pay attention: the vaccine used for drinking water must be high-priced; dilution of vaccine water does not contain any substances that can inactivate vaccine viruses or bacteria, such as chlorine, iron, zinc, copper, etc., can use deep well water or distilled water; Drinkers should be sufficient to ensure that all poultry drink enough vaccine in a short period of time; poultry should stop drinking water for 2 to 4 hours before taking the vaccine, drinking time should be controlled within 2 hours; the amount of water used to dilute the vaccine should be appropriate and strict According to the instructions on the requirements of the dilution; drinking water to add 0.1% skim milk; drinking water immunization interval not too long, 2 to 3 days before and after immunization can not use disinfectants.
The aerosol method injects the diluted vaccine through an aerosol generator, so that the vaccine forms atomized particles having a diameter of 1 to 10 microns, floats in the air, and enters the lung through the respiratory tract so as to achieve the purpose of immunity. The application of this method should pay attention: the use of high-valency vaccine, double the dose; dilute the vaccine with distilled water or deionized water, if you can add 0.1% skim milk powder is better; fog particle diameter is better l ~ 10 microns; closed house, reduce Air flow; in the hot morning should be carried out in the morning, evening, open the doors and windows again after 20 minutes after spraying; anti-stress drugs should be given to poultry before and after immunization.
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