“Growth Performance of Weaned Pigs Fed from Different Feeding Troughs: Comparison of Concrete Feeding Trough, Semi-Automatic Feeder and Its Combination”. Nigerian Journal of Animal Production 46, no. 4 (December 25, 2020): 137–143. Accessed October 28, 2026. https://www.njap.org.ng/index.php/njap/article/view/257.