CPV Food exporting chicken complex operates under a closed supply chain including: Animal feed, Chicken brood farm, Incubation factory, Broiler farm and Slaughter - Processing factory. Chicken eggs are classified and hatched by automatic and modern technology In-Ovo Vaccination Technology at CPV Food factory. C.P. Vietnam is a pioneer in the In-Ovo Vaccination Technology in-egg and automatic vaccination technology, vaccines are injected into embryos before being transferred from the hatchery to the hatchery factory, protecting chickens from early infection and increase vaccination uniformity.