de Carvalho, P. R., Avelar Bittencourt Cipolli, K. M. V., Salvucci Celeste Ormenese, R. de C., Nogueira Carvalho, P. R., & da Silva, M. G. (2009). Supplementation Carotenoid Compounds Derived from Seed Integral Ground Annatto (Bixa orellana L.) In the Feed Laying Hens to Produce Eggs Special. Pakistan Journal of Nutrition, 8(12), 1906–1909. https://doi.org/10.3923/pjn.2009.1906.1909