Haematological, serum and carcass characteristics of broiler chicken fed `graded levels of Garcinia kola (Bitter kola) used as phytobiotic. Nigerian Journal of Animal Production [Internet]. 2020 Dec. 28 [cited 2026 Nov. 13];40(1):48-56. Available from: https://www.njap.org.ng/index.php/njap/article/view/623