Yadav, G.B., et al. “Post Hatch Histo-Morphological Studies of Small Intestinal Development in Chicks Fed With Herbal Early Chick Nutritional Supplement”. International Journal of Poultry Science, vol. 9, no. 9, Aug. 2010, pp. 851–855, https://doi.org/10.3923/ijps.2010.851.855.