A. Lavvaf

Department of Animal Science, Karaj Branch, Islamic Azad University, Karaj, Iran

[ 1 ] - Fleece Traits and Important Physical Properties of Hair Fibers in Lori Goats

This study was conducted to investigate the hair production and fleece characteristics of hairy goats according to the sex and age of animals. The material of the study consisted one total data of 73 hair goats, which were between more than one year-old and one year-old Lori goats from both sexes (26 males and 47 females). The overall fleece weight, fiber length, lock length, washing yield, hai...

[ 2 ] - Skin Quality and Physical Properties of Leather Based on Sex, Age and Body Parts of Goats Reared on Sub-Humid Hill Country

To investigate the characteristics of skin and leather of hairy goats according to their sex and age, 120 goat skins were selected from the western part of Iran. Results indicated that sex and age had significant effects on weight and area of skin and leather. Moreover, sex and age had significant effects on thickness in different parts of skin except the belly. In this regard, the overall mean...

[ 3 ] - مقایسه روش های آماری پارامتری و بازنمونه گیری در ارزیابی صفات کمّی با ساختار ژنتیکی متفاوت

هدف از این مطالعه مقایسه سه روش پارامتری (GBLUP، BayesB، RKHS) و دو روش بازنمونه­گیری (Bagging GBLUP و Random Forest) در پیش بینی ارزش­های اصلاحی ژنومیک برای صفاتی با ساختار ژنتیکی متفاوت بود. یک ژنوم با سه کروموزوم، هر کروموزوم به طول یک مورگان شبیه­سازی شد و روی آن 1500 نشانگر تک نوکلئوتیدی (SNP) در سه سناریو 50، 100 و 200QTL به طور یکنواخت پخش شدند. اثر جایگزینی QTLها با استفاده از توزیع نرم...