الاستفادة من بعض مصادر حجر الكلس المحلي كمادة حاملة في إنتاج مخاليط مسبقة التحضير في علائق دجاج البيض في الصفات الإنتاجية

الملخص EN

An experiment was conducted at poultry farm, agricultural directorate of Karbala, Ministry of agriculture, during 16thApril, 2016 to 16th, July, 2016.

to study how to take advantages of local limestone as barrier material of premix on 300 ISA Brown laying hen at 20 Weeks old, which were randomly distributed to four dietary treatment to 75 bird per each, as they were divided into T1: premix imported was used treatment control, T2: premix local was used treatment a prier material reassure from Al Najaf of province, T3: premix local was used treatment a prier material reassure from Al Muthanna province, T4: premix local was used treatment a prier material reassure from Erbil province, 3replicat/ treatment(25 bird/replicate), it was continuous 12 weeks.

Hen treatment had significant (P≤0.05) effect on egg production, egg mass, average body weight, and average body weight (gm).

Obtained results revealed that there were insignificant differences between the treatments including control in feed efficiency, feed intake, and egg weights.