Rosario, C. C.; Lopez, C. C.; Tellez, I. G.; Navarro, O. A.; Anderson, R. C.; Eslava, C. C.
Serotyping and Virulence Genes Detection in Escherichia coli Isolated from Fertile and Infertile Eggs, Dead-in-Shell Embryos, and Chickens with Yolk Sac Infection