منابع مشابه
Crossbreeding Beef Cattle
Virginia Cooperative Extension programs and employment are open to all, regardless of race, color, national origin, sex, religion, age, disability, political beliefs, sexual orientation, or marital or family status. An equal opportunity/affirmative action employer. Issued in furtherance of Cooperative Extension work, Virginia Polytechnic Institute and State University, Virginia State University...
متن کاملCrossbreeding of Cattle in Sri Lanka
SUMMARY. Lanka is an island in the tropics having a cattle population of Srl .1lion. In order to improVe the productivity of these animals ml trials tjere initiated about 2-3 decades ag<l).
متن کاملEffective crossbreeding systems utilizing Zebu cattle.
The basic objectives and procedures for successful crossbreeding of beef cattle were considered, with special reference to the levels of realized hybrid vigor that might be anticipated for different crossbreeding programs involving the American Brahman (Z1) and European (Ej) breeds. Intralocus heterozygosis levels with respect to breed origin of genes (breed heterozygosis) were computed for var...
متن کاملEvaluation of Crossbreeding Systems for Preweaning Traits in Beef Cattle
SUMMARY four-generation crossbreeding experiment with Hereford, Angus a from a tt1e were analyzed. Individual, maternal, and grand-maternal rthorn c: rotic effects on the composite trait of calf weight weaned per I e and h\~eeding and its component traits were evaluated. The parameter e."osed to then used to project performance at equ i 1 i bri urn under rotat i on teS ~ere The average of two-b...
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ژورنال
عنوان ژورنال: Journal of Agriculture and Environmental Sciences
سال: 2018
ISSN: 2334-2404,2334-2412
DOI: 10.15640/jaes.v7n1a3