Fig. 6.
Survival rates of chickens challenged with IBV JX17, M41, HSJ and NN04 strains.
The mortality of chicken in each group was recorded from 1 to 7 dpi.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.