association of the dgat1 gene polymorphism with fat-tail weight and backfat thickness in lori-bakhtiari sheep
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the study of aaag repeat polymorphism in promoter of errg gene and its association with the risk of breast cancer in isfahan region
چکیده: سرطان پستان دومین عامل مرگ مرتبط با سرطان در خانم ها است. از آنجا که سرطان پستان یک تومور وابسته به هورمون است، می تواند توسط وضعیت هورمون های استروئیدی شامل استروژن و پروژسترون تنظیم شود. استروژن نقش مهمی در توسعه و پیشرفت سرطان پستان ایفا می کند و تاثیر خود را روی بیان ژن های هدف از طریق گیرنده های استروژن اعمال می کند. اما گروه دیگری از گیرنده های هسته ای به نام گیرنده های مرتبط به ا...
15 صفحه اولuse of principal components analysis to prediction fat-tail weight trait in lori-bakhtiari sheep
the relationship between live body weight, body length, girth circumference, animal hight, upper, middle as well as lower width of fat-tail, fat-tail length, fat-tail gap length, fat-tail depth and fat-tail circumference along with fat-tail weight were determined using records of 731 loribakhtiari sheep. principal component and least square analyses were applied to solve the collinearity instab...
متن کاملPolymorphism of DGAT1 Gene and Its Relationship with Carcass Weight and Dressing Percentage in Moghani Sheep Breed
The diacylglycerol acyltransferase 1 gene (DGAT1) was identified as a strong candidate gene affecting mutton quality traits in sheep. Single nucleotide polymorphism creates a single base mutation (C to T) in AGCT site of endonuclease AluI. DGAT1 is one of the candidate genes to improve carcass characteristics in feedlot animals. In order to study area T487C in exon 17 of the DGAT1 polymorphism,...
متن کاملمطالعه ژن‌های کاندیدا مؤثر بر صفات دنبه در محدوده مشخصی از کروموزوم شماره 5 در گوسفندان لری بختیاری و زل با روش PCR-SSCP
Meat quality and carcass composition are the most important economic traits in sheep. Body fat and fat-tail are key factors affecting carcass quality and meat production in each breed, and mutations in sequences of the genes that control these traits can affect the animal performance and therefore the breeding value. The aim of this study was to investigate the polymorphism in some regions...
متن کاملselection for a reduction in fat-tail size in lori-bakhtiari sheep
this study was carried out to investigate the effect of selection on the reduction of fat-tail size in lori-bakhtiari lambs. the study lasted for five years at the development and breeding center of lori-bakhtiari sheep station. estimation of fat-tail weight, using external fat-tail dimensions was obtained from regression procedure at 6 month age. soft tissue depth at the point 12 cm from the m...
متن کاملReference Gene Selection in Adipose and Muscle Tissues of Fat-tailed Lori-Bakhtiari Lambs
BACKGROUND: Fat-tailed sheep breeds have a unique ability to tolerate periods of negative energy balance due to seasonal changes in feed availability. This ability is attributed to presence of fat-tail as a body energy reserve, however the exact underlying mechanisms controlling the response of adipose tissue depots to variations in energy balance in fat-tailed breeds a...
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عنوان ژورنال:
پژوهش های علوم دامیجلد ۲۲، شماره ۴، صفحات ۲۷-۳۴
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