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Effects of Colostrum Powder Supplementation on the Performance, Egg Quality and Egg Yolk Lipid Peroxidation in Japanese Quails
(Erciyes Üniversitesi, 2017) Bayrıl, Tahir; Akdemır, Fatih; Baran, Murat Sedat; Orhan, Cemal; Kahraman, Mucahit; Yıldız, Ahmet Sener; Sahın, Kazım
This study was conducted to determine the effect of supplementary colostrum powder (CL-P) on egg pro-duction, egg quality, serum and egg yolk vitamin levels, and malondialdehyde (MDA) levels in laying quail. A total of 90 five-week-old laying quail were divided into three groups consisting of six replicate cages with five birds per cage. The birds were fed randomly one of three diets: a basal diet or a basal diet supplemented with either 2.5 or 5% CL-P. Die-tary CL-P supplementation caused linear increases in feed intake, egg production, and egg weight, and improved feed conversion. In addition, shell weight and shell thickness increased, whereas egg yolk color and Haugh units were unaf-fected. In serum and egg yolks, the vitamin A levels increased linearly while the MDA levels decreased linearly with increasing amounts of supplemental CL-P. In contrast, the serum vitamin E levels increased linearly whereas the egg yolk vitamin E levels were unaffected by increasing amounts of supplemental CL-P. Dietary CL-P may enhance perfor-mance and egg quality in poultry.