El-Samee LDA, El-Wardany I, Ali NG, Abo-El-Azab O. Egg Quality, Fertility and Hatchability of Laying Quails Fed Diets Supplemented with Organic Zinc, Chromium Yeast or Mannan Oligosaccharides. Int. J. Poult. Sci. [Internet]. 2012 Feb. 15 [cited 2025 Sep. 22];11(3):221–224. Available from: https://ijpsjournal.org/index.php/ijps/article/view/1781