Abstract
About one year and a half ago, Livet Produtos Veterinários Ltda. developed an experimental vaccine and immunized egg yolks, made from samples of Escherichia coli produced from fimbriae F18ab and F18ac, commonly associated with post-weaning diarrhea and with the illness named edema in pigs. Through the present project, the company intends to takes its research forward, with the production …