AHMED, B. HISTOLOGICAL RESPONSES OF THE SHELL GLAND IN LOHMANN BROWN LAYERS ADMINISTERD WITH CRYSTALLINE PROGESTERONE. Nigerian Journal of Animal Production, [S. l.], p. 564–567, 2024. DOI: 10.51791/njap.vi.4632. Disponível em: https://njap.org.ng/index.php/njap/article/view/4632. Acesso em: 6 jun. 2026.