Soumen Samanta

Hi to all: To control of QX Bronchitis pathogenesis in breeder to prevent left oviduct cyst, need to note the following factors. 1- Good cleaning and disinfection of poultry house before chick arrival.2- to buy day old chicks by good maternal immunity against QX strain.3- Good vaccination program including protectotype strategy.As all know QX strain pathogenesis occur in first weeks of life (2-3) ...