نتایج جستجو برای: young 20

تعداد نتایج: 834933  

ژورنال: Anatomical Sciences Journal 2003
Gol Ali Poor, Mohammad Jafar, Heidari, Kameran, Jahan Shahi, Mehrdad,

Purpose: This study was done for determining of head dimensions and head shapes. The purpose of the present study was to determine head dimensions and shapes. Materials and Methods: This discriptive and cross sectional study was conducted on normal 17-20 year-old native Fars and Turkman ethnic groups in Gorgan. Martin saler scalope was used to measure cephalic length and width, then cephalic i...

Journal: :JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH 2016

Journal: :JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH 2016

Journal: :علوم دامی ایران 0
سعید شادپور عبدالاحد شادپرور نغمه عیوقی

a deterministic model was employed to simulate various progeny testing programs compatible with the conditions of holstein dairy cattle population in iran. in simulated programs, the selection intensity of bulls was increased by increasing the ratio of cow population in mate with young bulls. selection accuracy in the programs was fixed because of the fixed progeny group. economic efficiency (t...

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