Silaban R, Sumiati S, Adrizal A, Yusrizal Y, Sumadja WA, Yatno Y, et al. Nitrogen and Ammonia Mitigation on Laying Hen Farms: Effects of Low-protein Diet and Manure Filtering. Int. J. Poult. Sci. [Internet]. 2017 Mar. 15 [cited 2025 Sep. 22];16(4):125–131. Available from: https://ijpsjournal.org/index.php/ijps/article/view/2323