OLUOKUN, J. A.; GREENHALGH, J.; REID, G. PURINE DERIVATIVE EXCRETION AND MICROBIAL PROTEIN SYNTHESIS IN SHEEP FED A ROUGHAGEBASED DIET SUPPLEMENTED WITH OR WITHOUT GRASS SILAGE. Nigerian Journal of Animal Science, [S. l.], v. 4, n. 2, p. 55–65, 2023. Disponível em: https://njas.org.ng/index.php/php/article/view/179. Acesso em: 16 apr. 2026.