1.
Zheng H, Li B, Tong Q, Chen G, Li X. Modification of perchery system: Preference for ramps rather than ladders during early adaptation period for cage-reared pullets. Int J Agric & Biol Eng [Internet]. 2019 Aug. 1 [cited 2026 Jan. 28];12(4):34-42. Available from: https://ijabe.org/index.php/ijabe/article/view/4030