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The Relationship Between And Heritability Estimates Of Live Lamb Measurements And Carcass Traits
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Book Synopsis The Relationship Between and Heritability Estimates of Live Lamb Measurements and Carcass Traits by : Anthony Borton
Download or read book The Relationship Between and Heritability Estimates of Live Lamb Measurements and Carcass Traits written by Anthony Borton and published by . This book was released on 1961 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Influence on Live and Carcass Traits of Lambs by : Earl E. Ray
Download or read book Genetic Influence on Live and Carcass Traits of Lambs written by Earl E. Ray and published by . This book was released on 1972 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inheritance and Interrelations of Live Performance and Carcass Characteristics in Beef Cattle by : Robert B. Church
Download or read book Inheritance and Interrelations of Live Performance and Carcass Characteristics in Beef Cattle written by Robert B. Church and published by . This book was released on 1963 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was undertaken to evaluate live performance, carcass characteristics and meat quality traits of 183 progeny test steers sired by 10 Hereford, 3 Charolais, 1 Holstein and 1 Angus sires and from grade Hereford dams. An additional group of 10 steers were Hereford sired, from Holstein X Hereford dams. Disproportionate data necessitated an analysis of variance using a nested or hierarchial classification. Components of variance were estimated for groups (feeding method, ranch and breed), sires within groups and progeny within sires. Heritabilities were calculated from paternal half sib correlations. Intercorrelations among 42 performance and carcass traits were calculated. Sire variance and heritability estimates were high for feedlot average daily gain (ADG) for the calves which were fed to market condition rapidly (fed-calf program) but were low for those carried on a lower plane of nutrition for 174 days followed by full feeding to market condition (fed-yearling program). High heritabilities were obtained for lifetime average daily gain (LADG) under both programs and would therefore seem to be a more useful measure of gainability than feedlot ADG. Dressing per cent and per cent kidney fat showed significant sire differences with heritability estimates of 78 per cent and 45 per cent respectively. Measures of fat cover over the rib-eye had low heritabilities which were probably influenced by marketing at an appraised constant finish. Fat cover per cwt. had a higher heritability at 46 per cent and would therefore be a preferred measure for progeny testing purposes. With a heritability of 89 per cent, rib-eye area per cwt. was superior to rib-eye area, rib-eye depth and per cent separable lean in a rib core, for detecting sire progeny differences in leanness. Rib-eye depth proved to be of no value in this regard. No significant group or sire within group differences were obtained for retail yield although the heritability estimate was 29 per cent for this trait. Marketing at an appraised constant finish may have masked sire differences for this measure. Sire progeny groups did not differ in ether extract of longissimus dorsi muscle, a measure of marbling. Sire progeny group differences were easily detected for tenderness of the longissimus dorsi muscle. A similar result was obtained for muscle fiber diameter. Average fat cover was the best individual predictor of retail yield accounting for 29 per cent of its variation. Estimating yield by the U.S.D.A. formula of Murphey et al. (1960) was no more accurate as a predictor than fat cover alone. Other possible predictors of retail yield along with their coefficients of determination were; per cent trimmed chuck (17 per cent), per cent trimmed round (15 per cent), per cent separable lean in a rib core (11 per cent) and rib-eye area per cwt. (6 per cent). No significant relationships were found between measures of gain and retail yield or measures of quality and retail yield.
Book Synopsis Sire Analysis of Bovine Live and Carcass Traits and the Relationship of Live and Carcass Traits with Palatability and Retail Yield by : Robert Douglas Scarth
Download or read book Sire Analysis of Bovine Live and Carcass Traits and the Relationship of Live and Carcass Traits with Palatability and Retail Yield written by Robert Douglas Scarth and published by . This book was released on 1900 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Relationship of Live and Carcass Measurements to Carcass Meatiness and the Influence of Sex and Sire on Carcass Traits in Lambs by : Robert E. Fritz
Download or read book The Relationship of Live and Carcass Measurements to Carcass Meatiness and the Influence of Sex and Sire on Carcass Traits in Lambs written by Robert E. Fritz and published by . This book was released on 1967 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bulletin written by and published by . This book was released on 1973* with total page 914 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimates of Genetic Parameters of Live and Carcass Traits of Lamb by : Jai Singh Sharma
Download or read book Estimates of Genetic Parameters of Live and Carcass Traits of Lamb written by Jai Singh Sharma and published by . This book was released on 1973 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Likelihood, Bayesian, and MCMC Methods in Quantitative Genetics by : Daniel Sorensen
Download or read book Likelihood, Bayesian, and MCMC Methods in Quantitative Genetics written by Daniel Sorensen and published by Springer Science & Business Media. This book was released on 2007-03-22 with total page 745 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, suitable for numerate biologists and for applied statisticians, provides the foundations of likelihood, Bayesian and MCMC methods in the context of genetic analysis of quantitative traits. Although a number of excellent texts in these areas have become available in recent years, the basic ideas and tools are typically described in a technically demanding style and contain much more detail than necessary. Here, an effort has been made to relate biological to statistical parameters throughout, and the book includes extensive examples that illustrate the developing argument.
Book Synopsis Relationship of Live Lamb Measurements to Carcass Characteristics as Affected by Different Breeding Systems by : Doyle Jensen Matthews
Download or read book Relationship of Live Lamb Measurements to Carcass Characteristics as Affected by Different Breeding Systems written by Doyle Jensen Matthews and published by . This book was released on 1959 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comparing breeds in crossbreeding; Adjusting data to a standard basis; Relationship of live neasurements to carcass characteristics; Objetive technics for estimating carcass characteristics.
Download or read book Proceedings written by and published by . This book was released on 1968 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relationship Between Various Live Lamb Measurements and Certain Carcass Characteristics by : Robert Wells Walker
Download or read book Relationship Between Various Live Lamb Measurements and Certain Carcass Characteristics written by Robert Wells Walker and published by . This book was released on 1961 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heritabilities and Phenotypic and Genetic Correlations Estimated for Live and Carcass Traits of Lambs by : James Michael Bell
Download or read book Heritabilities and Phenotypic and Genetic Correlations Estimated for Live and Carcass Traits of Lambs written by James Michael Bell and published by . This book was released on 1970 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Bulletin written by and published by . This book was released on 1982 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Association of Various Measurements with Lamb Carcass Composition and Preliminary Estimates of Some Genetic Parameters by : Arvid Washburn Munson
Download or read book Association of Various Measurements with Lamb Carcass Composition and Preliminary Estimates of Some Genetic Parameters written by Arvid Washburn Munson and published by . This book was released on 1966 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Journal of Animal Science written by and published by . This book was released on 1991 with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bulletin - State College of Washington, Agricultural Experiment Station by : Washington Agricultural Experiment Station
Download or read book Bulletin - State College of Washington, Agricultural Experiment Station written by Washington Agricultural Experiment Station and published by . This book was released on 1960 with total page 930 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Publication written by and published by . This book was released on 1985 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: