Christensen, V .L., M.J. Wineland, I. Yildirum, D.T. Ort, and K.M. Mann. 2004. “Incubator Temperature and Oxygen Concentration at the Plateau Stage Affects Intestinal Maturation of Turkey Embryos”. International Journal of Poultry Science 3 (6): 378–385. https://doi.org/10.3923/ijps.2004.378.385.