1. On the first day after the duck is hatched, it is necessary to complete the immunization of attenuated duck viral hepatitis vaccine acc
1. On the first day after the duck is hatched, it is necessary to complete the immunization of attenuated duck viral hepatitis vaccine according to the dose, and the specific operation is subcutaneous injection. Because ducklings are easily infected with this virus, and as long as they are infected, the mortality rate is extremely high. Those with maternal antibodies were inoculated subcutaneously at the age of 8 days.
2. 10-day-old ducks must be vaccinated with attenuated duck plague vaccine for the first time according to the dose, and then injected intramuscularly. Duck plague is caused by duck plague virus, which shows anorexia, increased thirst, shrinking head and neck, laziness and obvious swelling of head and neck, mainly affecting ducks over 30 days old. Laying ducks are immunized according to the dosage before laying eggs.
3. After ducks are hatched 15 days, ducks should be inoculated with bivalent inactivated avian influenza vaccine according to the dose, and subcutaneous or intramuscular injection can be carried out. The second exemption for ducks aged 55 days, and the third exemption for laying ducks aged 1 10 days. Everyone must be familiar with it. It is not an exaggeration to describe the frequency and harm of bird flu with horror and disaster.