Question

Newcastle disease/Ranikhet disease (RD) is a highly contagious and most lethal viral disease of poultry. Which Institute had discovered the vaccine for Ranikhet disease?

A NDRI Correct Answer Incorrect Answer
B IVRI Correct Answer Incorrect Answer
C IRRI Correct Answer Incorrect Answer
D IARI Correct Answer Incorrect Answer
E None Correct Answer Incorrect Answer

Solution

ICAR-IVRI, Izatnagar produced R2B strain vaccine since 1940 and F strain vaccine since 1953. The immunity produced by RD F vaccine lasts for about 15 weeks. Chicks should be revaccinated with the RD R2B vaccine between 8-10 weeks after primary vaccination.

Practice Next
×
×