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العنوان
Genetic and Productive Studies on Some Local and Commercial Laying Hens Strains /
المؤلف
Balgasim, Saleh Saad Hussein.
هيئة الاعداد
باحث / صالح سعد حسين بلقاسم
مشرف / مدحت عراقى محمد الدينارى
مشرف / محمود يوسف محروس
مناقش / عادل محمد المصرى
مناقش / عادل صلاد خطاب
الموضوع
Genetics
تاريخ النشر
2017.
عدد الصفحات
p 122. :
اللغة
الإنجليزية
الدرجة
ماجستير
التخصص
الزراعية والعلوم البيولوجية (المتنوعة)
تاريخ الإجازة
12/3/2018
مكان الإجازة
جامعة طنطا - كلية الزراعة - الوراثه
الفهرس
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Abstract

This study was conducted in private poultry farm, Faculty of Agriculture, Ain Shams University, and genetics department lab at Faculty of Agriculture, Tanta University during the 2015/2016 season. The local strain Fayoumi and two commercial strains(Leghorn and Rhode Island Red)were used in this study. Number of 30 laying hens from each strain were selected at the age of 34 weeks (three replicates),data was taken for egg productivity, quality of eggs and feed conversion rate for 45 days; once every two weeks. Blood samples were collected randomly for biochemical analysis(calcium,phosphorus and total protein)and studing the relationship of those components with qualities productivity in the three strains under study. The isolated DNA from blood was manipulated for molecular marker analysis(SSR)using selected 10 primers. Primers were selected from a previous reviewer based on association with some of the qualities of the production and egg quality traites, so the comparison between the three strains to reach the degree of convergence of traits under study and associated with some markers.