Factors Affecting Egg Production in Broiler Breeders from

Start to Peak of Production

This study was conducted to evaluate....

A total of 400 pieces of day-old male broiler chicks were distributed into 9 treatments and one control diet with 4 replicates using a CRD design (3x3 factorial). Chicks for 42 days received graded levels of Cu (35, 70, ...

The aim of this study was to evaluate the effects of graded Cu and Zn on immune system. A total of 360 day-old broilers were distributed into 9 treatments with 4 replicates using CRD design (3x3 factorial). Chicks for 42 ...

The growth and reproduction performance and egg production parameters in 128 pullet chicks

were monitored during 42 days received 5, 7.5 and 10% Flaxseed (FS) in their diet as a treatment. One-dayold Hy-line W-36 ...

در این پژوهش، اثر سطوح مختلف موننسین سدیم (نوعی آنتی بیوتیک یونوفری) یا پروتکسین (نوعی پروبیوتیک) بر فرآیند تخمیر و تخمین فراسنجه های تولید گاز یونجه، جو و مخلوط یونجه+جو در شرایط برون تنی بررسی شد. تیمارهای آزمایشی شامل ...

Describing lactation in mammals using a lactation curve aims to provide a concise summary of the pattern of milk yield and valuable information about the biological and economic efficiency of the animal or herd under ...

هدف از انجام این پژوهش، بررسی تأثیر استفاده از پرتوتابی گاما و مقایسه آن با روش عمل آوری با سود بر فرآیند تخمیر و فراسنجههای تولید گاز برخی منابع فرعی کشاورزی (تفاله گوجه فرنگی، تفاله پرتقال، پوسته پسته و کاه گندم) در ...

Several functions were used to model fixed and random part of the lactation curve in Iranian primiparous Holstein cows using random regression analysis. Legendre polynomials of orders three and four as well as parametric ...