أعضاء هيئة التدريس - جامعة بنها
Heterotic components for birth weight in three up-grading trials of dairy cattle raised in Egypt - 2000
3rd All Africa Conference on Animal Agriculture and 11th Conference of the Egyptian Society of Animal Production (Under patronage of the World Association for Animal Production), Alexandria, Egypt • 2000
معلومات البحث
المؤلفون
Arafa S.A., Afifi E.A., Khalil M.H., Aly H.M.
الكلمات المفتاحية
Dairy cattle, Egypt, birth weight, additive, heterotic and recombination effects
المجلة العلمية
3rd All Africa Conference on Animal Agriculture and 11th Conference of the Egyptian Society of Animal Production (Under patronage of the World Association for Animal Production), Alexandria, Egypt
الناشر
Egyptian Association of Animal Production
المجلد
1
العدد
1
الصفحات
81-86
publication.type
International
رابط البحث
Open Link
المواد المرفقة
Not Available
الملخص
Data or three up-grading trials al local Douliaii cultic with Friesian (Friesian trial). Dairy Shorthorn %Shorthorn trial), and Jersey (Jersey trial) were used to quantify the importance of direct additive effect (d), maternal additive effect (Gm), direct herterosis (1-15, maternal heterosis (I-1"), direct recombination effect (R1) and maternal recombination effect (Rm) for birth weight of calves. In the three trials, cow breed group effect was significant (P