D. I. Ekine and C. C. Akpanibah, Comparative Productivity Analysis of Median Scale Battery Cage and Deep Litter Housing Chicken Egg Production in Rivers State, Nigeria. journal = {International Journal of Animal and Veterinary Sciences}, [online]. World Academy of Science, Engineering and Technology. July 2023, vol. 199(7). 50 - 54 [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10013148.