Ingram, D.R., L.F. Hatten, and K.D. Homan. “Reproductive Performance of Broiler Breeders As Affected by Age at Initiation of Laying Cycle Lighting Program”. International Journal of Poultry Science 6, no. 7 (June 15, 2007): 462–465. Accessed November 6, 2026. https://ijpsjournal.org/ijps/article/view/794.