تأثير إضافة مسحوق بذور العنب (خوشناو)‎ المجفف و مسحوق الطماطة (بازيان)‎ المجففة و Bht على الأداء الإنتاجي للدجاج البياض (Isa Brown)‎

Abstract EN

This study was conducted in the poultry field of the Animal Production Department College of Agriculture / University of Kirkuk for the period from 01/16/2020 until 24/4/2020 for determine the effect adding grape seed (Khushnau)powder, dried tomato (Bazian) powder and BHT on the productive performance of laying hens.

In the experiment, 196 laying hens (ISA BROWN) were used, and they were randomly distributed to eight nutritional treatments at the rate of six replicates for each treatment (four birds for each replicate).

As follows: The first treatment (control) without additives, the second and third treatment, 0.2% grape seed (Khushnau) powder and dried tomato (Bazian) were added respectively, and the fourth treatment was added 100 mg BHT.

The fifth treatment was added 0.1% grape seed (Khushnau) powder + 0.1% dried tomato (Bazian) powder, The sixth treatment was added 0.1% grape seed (Khushnau) powder + 50 mg BHT, the seventh treatment was added 0.1% dried tomato (Bazian) + 50 mg BHT, the eighth treatment was added 0.05% grape seed (Khushnau) powder + 0.05% dried tomato (Bazian) + 25 mg BHT.

The results indicated that the addition of grape seed powder leads to improvement of the productive characteristics (egg production, egg weight, egg mass, feed consumed, feed conversion factor) for laying hens.

Key Words: grape seed, dried tomato powder, BHT, laying hens, production performance.