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Influence Of Sire Line Expected Progeny Differences On Milk Yield Composition And Growth Characteristics In Angus Cattle
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Book Synopsis Influence of Sire Line Expected Progeny Differences on Milk Yield, Composition, and Growth Characteristics in Angus Cattle by : Amanda Jane Masholie
Download or read book Influence of Sire Line Expected Progeny Differences on Milk Yield, Composition, and Growth Characteristics in Angus Cattle written by Amanda Jane Masholie and published by . This book was released on 1998 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of Sire Milk Expected Progeny Differences on Milk Yield, Composition, and Growth Characteristics in Aberdeen Angus Cattle by : John Allen Etheridge
Download or read book Influence of Sire Milk Expected Progeny Differences on Milk Yield, Composition, and Growth Characteristics in Aberdeen Angus Cattle written by John Allen Etheridge and published by . This book was released on 2002 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of Milk Expected Progeny Difference on Milk Yield, Composition, and Growth Characteristics in Angus Cattle by : Clinton Ray Young
Download or read book Influence of Milk Expected Progeny Difference on Milk Yield, Composition, and Growth Characteristics in Angus Cattle written by Clinton Ray Young and published by . This book was released on 1997 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Milk Expected Progeny Differences and Its Effect on Milk Production and Calf Performance in First Calf Heifers from Angus and Polled Hereford Sires by : Russell James Gosz
Download or read book Milk Expected Progeny Differences and Its Effect on Milk Production and Calf Performance in First Calf Heifers from Angus and Polled Hereford Sires written by Russell James Gosz and published by . This book was released on 1997 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cumulated Index Medicus written by and published by . This book was released on 1996 with total page 1340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agrindex written by and published by . This book was released on 1994 with total page 1014 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interrelationships Among Udder Characteristics and Milk Yield of Beef Cows Sired by High Or Low Milk Expected Progeny Difference Bulls by : Souleymane Kebe
Download or read book Interrelationships Among Udder Characteristics and Milk Yield of Beef Cows Sired by High Or Low Milk Expected Progeny Difference Bulls written by Souleymane Kebe and published by . This book was released on 1994 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Impact of Selection Using Residual Average Daily Gain and Marbling EPDs on Growth Performance and Carcass Traits in Angus Cattle by : Rachael Ann Detweiler
Download or read book The Impact of Selection Using Residual Average Daily Gain and Marbling EPDs on Growth Performance and Carcass Traits in Angus Cattle written by Rachael Ann Detweiler and published by . This book was released on 2017 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study is to compare growth performance, feed efficiency, body composition, and carcass characteristics in steers, and to compare growth, body composition, and reproductive performance in heifers from bulls divergently selected for feed efficiency. Angus sires were selected with high and low residual average daily gain (RADG) EPDs and high and average marbling (MARB) EPDs. This resulted in a 2x2 factorial arrangement with four treatment combinations: high RADG, high MARB (Hi/Hi); high RADG, average MARB (Hi/Avg); low RADG, high MARB (Lo/Hi); and low RADG, average MARB (Lo/Avg). The overall goal of this research program is to develop lines of cattle using RADG EPD so that a better understanding of the biological and physiological basis of efficiency in beef cattle can be ascertained. Selection using RADG EPD resulted in improved feed efficiency in steer progeny; however additional research is needed in heifer progeny.
Download or read book Journal of Animal Science written by and published by . This book was released on 1991 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1973 with total page 1130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biological & Agricultural Index by :
Download or read book Biological & Agricultural Index written by and published by . This book was released on 1993 with total page 2728 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies in Milk Secretion by : John Whittemore Gowen
Download or read book Studies in Milk Secretion written by John Whittemore Gowen and published by . This book was released on 1925 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Animal Breeding Abstracts written by and published by . This book was released on 1980 with total page 1562 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Mating System on Body Growth and Production in Holstein Cattle by : Ming-pi Mi
Download or read book Effects of Mating System on Body Growth and Production in Holstein Cattle written by Ming-pi Mi and published by . This book was released on 1963 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1992-05 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Sire by Breed of Dam Interaction Within Percentage Simmental Groups for Birth Weight and 205D Weight in the U.S. Simmental Population by : Bruce Edward Cunningham
Download or read book Investigation of Sire by Breed of Dam Interaction Within Percentage Simmental Groups for Birth Weight and 205D Weight in the U.S. Simmental Population written by Bruce Edward Cunningham and published by . This book was released on 1989 with total page 322 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.