Figure 2From: Different immune responses to three different vaccines following H6N1 low pathogenic avian influenza virus challenge in Taiwanese local chicken breedsAntibody titers against ND on 0, 14 and 28 days post-inoculation. * Nagoya showed a difference of anti-ND antibody titer between the control and challenge groups at day 0, with a lower value in the challenge group.Back to article page