A model for the transfer of passive immunity against Newcastle disease and avian influenza in specific pathogen free chickens.

Last updated on 22-8-2019 by Anonymous (not verified)

Peer reviewed scientific article



Chicks possess maternally derived antibody (MDA) against pathogens and vaccines previously encountered by the dams. This passive immunity is important in early life, when the immune system is immature and unable to fight off infection. On the other hand, MDA can also affect the development of the immune system and interfere with vaccination against avian diseases such as Newcastle disease (ND) and avian influenza (AI). The effect of MDA is generally investigated by studying the progeny of vaccinated dams, which is time-consuming, poorly flexible and expensive. Moreover, the antibody titres …

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