EL-SAMEE , Laila D. Abd; EL-WARDANY, I.; ALI, Nematallah G.; ABO-EL-AZAB, O.M. Egg Quality, Fertility and Hatchability of Laying Quails Fed Diets Supplemented with Organic Zinc, Chromium Yeast or Mannan Oligosaccharides. International Journal of Poultry Science, Pakistan, v. 11, n. 3, p. 221–224, 2012. DOI: 10.3923/ijps.2012.221.224. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1781. Acesso em: 22 sep. 2025.