فهرس المقالات selective breeding حرية الوصول المقاله صفحة الملخص نص كامل 1 - Analysis of Egg Production Curves Using Three Mathematical Models and the Variation in Egg Quality between Commercial (Hy-Line Brown) Layer Hens and Sentul Hens S.A. Santosa I. Ismoyowati D. Purwantini A. Susanto M.Y. Abare