Effect of post-hatching fasting on the decay levels of maternal antibodies against infectious bronquitis virus in layers
Published:October 19, 2011
Summary
Introduction Infectious bronchitis in hens (BIG), caused by an avian corona virus, the virus of infectious bronchitis in hens (VBIG), is a highly infectious disease, causing huge economic losses in the poultry section, even in Brazil. The protection of newly born chicks against this agent, depends of the innate immunity and of the maternal antibodies, acquired, in a passive manner, through the...