تأثير إحلال الشعير الأسود المحلي الغير معامل و المعامل بإنزيم البيتاكلوكانيز أو المنبت بديلا عن الذرة الصفراء في تغذية الدجاج البياض

Abstract EN

This study was conducted in the fields of the College of Veterinary Medicine / Mosul University , for five months duration .

A total of 210 hens (Hubbard breed) were distributed in seven treatments (two rep.

/ treat).

the experimental treat .

consist of the control (0٪ barley+ 60٪ corn), 30٪ untr.

or treat with b -glucanase enzyme or germinated barley , 60٪ untr.

or treat with b -glucanase or germinated barley.

The results showed a significant increase (p ≤ 0.05) in HD٪ egg production , egg weight , total egg mass per hen and feed conversion efficiency in birds fed the diet containing 30 ٪ barley treat with.

b - glucanase with the same level of yellow corn.

No significant effect were showed in feed consumption between the control diet and others containing 30 or 60 ٪ barely treated with b -glucanase or germinated .

the results was revealed also a significant increase in the percent of blood and meat spots in the eggs of the treats .

containing 60 ٪ corn or 30 ٪ corn with the same level of barley.

The concentration of cholesterol in egg youlk and blood serum were decreased in all diets containing 60٪ barley.