Influence of Crossbreeding Romanov Ewes with Crossbred Argali Romanov Rams on Male Progeny Performance and Carcass Traits
نویسندگان
چکیده
منابع مشابه
Fattening performance and carcass quality of Polish Merino x Romanov crossbred lambs with different proportions of Romanov genotype
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متن کاملExperimental Results to Take to the Bank
Broad diversity among breeds of sheep is a precious industry resource. This breed diversity can be managed to increase performance and profit through use of crossbred ewes mated to rams of a terminal sire breed. Differences among breeds in performance for survival, growth, carcass, wool, and reproductive traits are due to the unique genetic history associated with each breed. Beneficial genetic...
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Over a 2-year period, crossbred lambs resulting from the mating of Texel (T), Romanov (R), and St. Croix (S) rams with Polypay (P) and S ewes, were finished during the summer and late fall to determine feedlot performance and carcass characteristics. A total of 175 wether lambs of the five genotypes (R x P, R x S, S x S, T x P and T x S) were fed a high-energy diet for an average of 110 d (Expe...
متن کاملEvaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: I. Effects of ram breed on productivity of ewes of two crossbred populations.
Effects of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds for performance as sires were estimated in the initial phase of a comprehensive evaluation of these breeds as contributors to sheep crossbreeding systems. Objectives were to evaluate the effects of ram breed, ewe breed, season of mating, and two-way interactions. Rams from the five breeds were single-sire-mated with ewes from tw...
متن کاملعملکرد رشد و پرواری بره‌های لریبختیاری، آمیخته‌های رومانف × لریبختیاری و پاکستانی × لریبختیاری
This study was conducted to compare the feedlot performance and growth traits of Lori-Bakhtiari (n=39), Romanov × Lori-Bakhtiari (n=38) and Pakistani × Lori-Bakhtiari crossbred (n=12) lambs during two consecutive years. Lambs were weaned at the age of 90 ± 5 days. After weaning and preliminary fattening period, three groups of lambs were fattened for 90 days in the same conditions. The resul...
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ژورنال
عنوان ژورنال: Journal of Veterinary Science & Technology
سال: 2015
ISSN: 2157-7579
DOI: 10.4172/2157-7579.1000275