Effects of semen dosage, oviductal sperm storage and insemination interval on egg fertility, embryo mortality and hatchability in Nera Black breeder chickens. Nigerian Journal of Animal Production [Internet]. 2020 Dec. 17 [cited 2026 Nov. 13];47(3):34-43. Available from: https://njap.org.ng/index.php/njap/article/view/134