Peebles ED, Keirs RW, Bennett LW, Cummings TS, Whitmarsh SK, Gerard PD. Relationships among Post-Hatch Physiological Parameters in Broiler Chicks Hatched from Young Breeder Hens and Subjected to Delayed Brooding Placement. Int. J. Poult. Sci. 2004;3(9):578–585. doi:10.3923/ijps.2004.578.585