Rodríguez-Ortega LT. Macrostructure of hen egg from birds fed different levels of crude protein: Relación proteína-características físicas del huevo. Ecosist. Recur. Agropec. [Internet]. 2021 Nov. 29 [cited 2025 Sep. 25];8(II). Available from: https://era.ujat.mx/index.php/rera/article/view/2917