E coli infection in poultry is one of the principle causes of mortality and morbidity in chickens and turkeys resulting in retardation of growth and decreased feed conversion rate . The most common form of collibacillosis is characterized as an initial respiratory infection (air sacculitis) followed by generalized septicemia. perihepatitis and pericarditis. The present study aimed to ... https://fitnessgravesyardes.shop/product-category/hrc-board/