فهرس المقالات fat yield حرية الوصول المقاله صفحة الملخص نص كامل 1 - Evaluation of Various Approaches in Prediction of Daily and Lactation Yields of Milk and Fat Using Statistical Models in Iranian Primiparous Holstein Dairy Cows M. Elahi Torshizi M. Hosseinpour Mashhadi حرية الوصول المقاله صفحة الملخص نص كامل 2 - Genetic and Phenotypic Parameters for Milk Production Traits in the First and Second Lactation in Romanian Simmental Dairy Cows E. Nistor V.A. Bampidis M. Pentea M. Matiuti V. Ciolac F. Adebambo