فهرس المقالات Nitrogen retention حرية الوصول المقاله صفحة الملخص نص كامل 1 - The Gradual Affection of Creatine Monohydrate Supplemented at Different Protein Level in Diets of Broilers on Performance, Blood Biochemical Parameters and some Specific Meat Characteristics A. Nabati S.D. Sharifi V. Mohammadi S. Ghazanfari حرية الوصول المقاله صفحة الملخص نص كامل 2 - Effect of Oscillating Protein Feeding on Feed Intake, Digestibility, and Nitrogen Balance in Moghani Male Lambs T. Yalchi B. Barzegar V. Vahedi https://doi.org/10.71798/ijas.2025.1224392