Veterinary Preventive Medicine-II

PREVENTION AND CONTROL

Ovination

• The lymph of the vesicle applied in scarified areas or the lymph is inoculated by intradermal injection on the ventral surface of the tail - oldest method of immunization.

Vaccination

• Inactivated vaccines are commonly used for vaccination.
• First vaccination is given to the sheep at the age of 3 months.
• There after annual boosters are recommended. The vaccine is administered intradermally.
• At the site of inoculation a local reaction should develop.
• All vaccinated animals should be checked after a week for positive reaction.
• If the reaction is not developed the animal should be revaccinated.