Comparative Study of Antibody Titers against Newcastle Disease in E.coli Infected and Non-Infected Broiler Chickens. Pakistan Journal of Science, [S. l.], v. 75, n. 4, 2023. DOI: 10.57041/vol75iss4pp%p. Disponível em: https://paas-pk.org/index.php/pjs/article/view/1114. Acesso em: 25 oct. 2025.