Phenotypic Correlations among Fleece Traits in Norduz and Karakas Sheep
نویسندگان
چکیده
منابع مشابه
Contribution of Genetic and Phenotypic Parameters Affecting Fleece Traits in 3/4th Bred Bharat Merino Sheep
The contribution of genetic and phenotypic parameters affecting fleece traits in 3/4th bred 2425 Bharat Merino Lambs sired by 154 rams over period of 1982-96 was evaluated. The year and season of shearing, sex of lamb, type of birth, age and weight of lamb contributed 8 to 42% of the phenotypic variability in the fleece traits. The least square means for the first and second six monthly greasy ...
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هدف از این تحقیق یافتن ارتباط بین نحوه نگرش زبان آموزان به موفقیت و شکستشان و نوع شخصیت آنها است. 216 زبان آموز، 111 پسر و 105 دختر، در سطح متوسط که در آموزشگاه زبان انگلیسی شکوه مشغول به تحصیل بودند در این پژوهش شرکت کرده اند. شرکت کننده ها دو پرسشنامه neo-ffi و atfll را تکمیل کرده اند. نتیجه نشان داد که: احساسات با توافق پذیری و وظیفه شناسی ارتباط مثبت و با روان نژندی ارتباط منفی دارد. تصور ا...
15 صفحه اولIncorporating Subjectively Assessed Sheep and Wool Traits into Genetic Evaluations for Merino Sheep 2: Phenotypic and Genetic Correlations
Using pedigree and performance records obtained from two Merino breeders the phenotypic and genetic relationship between subjectively assessed sheep and wool traits and objectively measured wool traits were estimated. The subjective traits were all favourably genetically correlated with fibre diameter. The genetic relationship with body weight, greasy fleece weight and fibre diameter variation ...
متن کاملGenetic and phenotypic correlations among feed efficiency, production and selected conformation traits in dairy cows.
The difficulties and costs of measuring individual feed intake in dairy cattle are the primary factors limiting the genetic study of feed intake and utilisation, and hence the potential of their subsequent industry-wide applications. However, indirect selection based on heritable, easily measurable, and genetically correlated traits, such as conformation traits, may be an alternative approach t...
متن کاملGenetic analysis of fleece and post-weaning body weight traits in Makuie sheep.
Estimation of genetic parameters is the most important component of an organized selection program. With respect to economic traits, such as wool and mutton traits, production costs can be reduced through a suitable selection program focused on genetic improvement. This study aimed to evaluate genetic parameters of fleece and post-weaning growth traits in sheep. Greasy fleece weight at 6, 16, 2...
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ژورنال
عنوان ژورنال: Journal of Animal and Veterinary Advances
سال: 2011
ISSN: 1680-5593
DOI: 10.3923/javaa.2011.574.576