Tanimura, H
Tanimura, H. 67% of hens vaccinated with rHVT-cmvVP2 or the traditional live IBDV vaccine, respectively, got the antibodies. The antibody degree of hens vaccinated with rHVT-pecVP2 improved for 16 weeks, as well as the peak antibody level persisted through the entire test. The serum antibody titer at 30 weeks old was about 20 or 65…