“Photoperiodic-Dependent Morpho-Biometric Changes in the Excurrent Duct System of Sexually-Matured Helmeted Guinea Fowl (Numida Meleagris)”. Sahel Journal of Veterinary Sciences, vol. 19, no. 3, Sept. 2022, pp. 28-36, https://doi.org/10.54058/saheljvs.v19i3.320.