الفهرس | يوجد فقط 14 صفحة متاحة للعرض العام |
المستخلص The main goal this investigation was to study the mechanical systems incubation and poultry production through evalution of the traditional at mechanical methods and evalution also production systems of poultry meat production which achieve the economic efficiency to the agriculture resource which are using in production operates this present study contain for pat were summarized in the following main sections. |