Vaccine are biological substances that are given to an organism to stimulate response against disease.
It includes high level of immunity to protect birds in the face of aggressive endemic diseases that may cause birds future damages.
Vaccination plays an important part in the health management of the poultry flock. There are numerous diseases that are prevented by vaccinating the birds against them.
A vaccine helps to prevent a particular disease by triggering or boosting the bird’s immune system to produce antibodies that in turn fight the invading causal organisms.
Elements of Vaccination program :
Number of vaccine : this are one of the things to be considered whenever you want to buy or administer vaccine. You can't use 500 doses of vaccines for 1000 birds.
Age of the vaccine : you make sure you look into manufacturing date and the expiring date. The expired vaccine can cause further damage to the birds.
Type of vaccination : there are different vaccination for birds, each one of them has specific period in other to have ap propitiate vaccination program.
Intervals between vaccination : mentain a good intervals between the vaccination, I. e ensures birds are getting adequate rest and are stress free before administer another vaccine for the birds.
Requirement for a good immune response:
There are various factors to be considered if you want to have a good immune response from the birds.
- Good Nutrition
- Correct vaccine to be used
- Correct vaccine storage
- Good administration techniques
Possible reasons for vaccine failures :
There are many factors contributed to the failure of vaccines in poultry production. Some of these factors may include :
- Poor vaccine qualities
- Improper handling of your vaccine
- Using of wrong vaccines
- Time of vaccination
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