Evaluation of Two Newcastle Vaccination Regimes Commonly used for Commercial Layer Production in Ghana. African Journal of Biomedical Research, [S. l.], v. 25, n. 2, p. 185–189, 2022. DOI: 10.4314/ajbr.v25i2.11. Disponível em: https://ojshostng.com/index.php/ajbr/article/view/2433. Acesso em: 4 dub. 2026.