Iwenekha, M., U. D. Osayande, E. A. Akangbe, O. A. Jimoh, and O. V. Obajuluwa. 2025. “SERUM PROTEIN AND HAEMATOLOGICAL CHARACTERISTICS IN BOVAN BLACK LAYERS FED GRADED LEVELS OF ZINC SULPHATE MONOHYDRATE”. Nigerian Journal of Animal Production, March, 918-21. https://njap.org.ng/index.php/njap/article/view/8542.