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Trends In Genetic And Phenotypic Variances In Milk Fat And Fat Test Production In Holstein Cattle
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Book Synopsis Trends in Genetic and Phenotypic Variances in Milk, Fat and Fat Test Production in Holstein Cattle by : Susana L. Mirande
Download or read book Trends in Genetic and Phenotypic Variances in Milk, Fat and Fat Test Production in Holstein Cattle written by Susana L. Mirande and published by . This book was released on 1984 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Trends and Relationships of Production and Reproduction in Guernsey Dairy Cattle by : Suleiman Abukres Hermas
Download or read book Genetic Trends and Relationships of Production and Reproduction in Guernsey Dairy Cattle written by Suleiman Abukres Hermas and published by . This book was released on 1984 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Trends of Daughters of Bulls Selected for Milk Yield by : Gurdas Singh Dass
Download or read book Genetic Trends of Daughters of Bulls Selected for Milk Yield written by Gurdas Singh Dass and published by . This book was released on 1975 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic and Phenotypic Relationships Among Yields of Milk and Its Components in Dairy Cattle by : Arden Ray Hardie
Download or read book Genetic and Phenotypic Relationships Among Yields of Milk and Its Components in Dairy Cattle written by Arden Ray Hardie and published by . This book was released on 1972 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimation of Genetic and Phenotypic Parameters of Milk, Fat and Protein Yields of Holstein Cattle Under Selection by : Thomas Joseph Lawlor
Download or read book Estimation of Genetic and Phenotypic Parameters of Milk, Fat and Protein Yields of Holstein Cattle Under Selection written by Thomas Joseph Lawlor and published by . This book was released on 1984 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimates of Genetic and Phenotypic Parameters for Some Productive Characteristics of Holstein-Friesian Cattle by : Leo Rudolph Hansen
Download or read book Estimates of Genetic and Phenotypic Parameters for Some Productive Characteristics of Holstein-Friesian Cattle written by Leo Rudolph Hansen and published by . This book was released on 1964 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heritabilities and Phenotypic and Genetic Correlations Between Type Ratings and Milk and Butterfat Production in Holstein-Friesian Cattle by : Ralph Gerald Mitchell
Download or read book Heritabilities and Phenotypic and Genetic Correlations Between Type Ratings and Milk and Butterfat Production in Holstein-Friesian Cattle written by Ralph Gerald Mitchell and published by . This book was released on 1959 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Phenotypic and Genetic Variation of Milk Fat Components Incorporating Mid-Infrared Technology by : Allison Fleming
Download or read book Phenotypic and Genetic Variation of Milk Fat Components Incorporating Mid-Infrared Technology written by Allison Fleming and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Milk fat influences the economic, nutritional, flavour, and physico-chemical properties of milk and milk products. Genetic selection for fat components is therefore of interest. This would require an efficient means of phenotyping these traits routinely, on a large scale. The purpose of this study was to assess the ability to predict milk fat components using mid-infrared (MIR) spectroscopy and to examine the phenotypic and genetic variation of these traits. Individual cow milk samples from multiple breeds and herds were collected during routine milk recording multiple times throughout the lactation and the MIR spectra obtained. Milk samples were further analyzed for average milk fat globule (MFG) size and fatty acid profile using gold standard methodologies. Partial least squares regression models were employed to develop equations to predict the milk fat component traits from the MIR spectra of milk samples. Genetic parameters were estimated in Holsteins for both the measured and predicted MFG size and predicted fatty acids, along with their genetic correlations with milk production traits using multi-trait animal models. Milk fatty acid contents could be predicted with variable accuracy depending on the calibration set used and the concentration of the fatty acid in milk. In first-parity Holsteins, the predicted groups of fatty acids were found to have genetic correlations of similar magnitude with already recorded milk production traits. Differences in the genetic correlations with fat yield, fat and protein percentages, and fat to protein ratio were found for different fatty acid groups, including different trends in average daily genetic correlations at the beginning of lactation. Average MFG size was significantly affected by herd, breed, days in milk, season, and milking period. The prediction of MFG size from MIR spectra was poor, and predicted values had greater phenotypic correlations with fat percentage than their measured counterparts. A moderate heritability was found for average MFG size, but predicted values had very strong genetic correlations with fat percentage, limiting their utility. Mid-infrared technology provides an opportunity to obtain novel trait phenotypes, including fatty acids, for all milk recorded cows that could be used to help advance the Canadian dairy industry.
Book Synopsis Genetic Influences on Fat and Protein Content of Milk in Dairy Cattle by : Roger Ronald Neitzel
Download or read book Genetic Influences on Fat and Protein Content of Milk in Dairy Cattle written by Roger Ronald Neitzel and published by . This book was released on 1967 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Phenotypic and Genetic Relationships Between Certain Body Measurements and Milk Production of First Lactation Holsteins by : Joseph Calbert Johnson
Download or read book Phenotypic and Genetic Relationships Between Certain Body Measurements and Milk Production of First Lactation Holsteins written by Joseph Calbert Johnson and published by . This book was released on 1958 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Weighting Information from Relatives to Select for Milk in Holsteins by : Oliver Wendell Deaton
Download or read book Weighting Information from Relatives to Select for Milk in Holsteins written by Oliver Wendell Deaton and published by . This book was released on 1964 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Parameters of Milk Yield and Calving Interval in Holstein Dairy Herds Differing by Phenotypic Variance of Yield by : Thomas Harold Short
Download or read book Genetic Parameters of Milk Yield and Calving Interval in Holstein Dairy Herds Differing by Phenotypic Variance of Yield written by Thomas Harold Short and published by . This book was released on 1989 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genotypic and Phenotypic Variances and Covariances of Milk, Fat, and Protein Yields and Somatic Cell Concentration by : Eduardo Jorge Manfredi
Download or read book Genotypic and Phenotypic Variances and Covariances of Milk, Fat, and Protein Yields and Somatic Cell Concentration written by Eduardo Jorge Manfredi and published by . This book was released on 1982 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimation of Phenotypic, Genetic, and Environmental Parameters Affecting Oxidized and Rancid Off-flavors of Holstein Milk by : Theodore Richard Rounsaville
Download or read book Estimation of Phenotypic, Genetic, and Environmental Parameters Affecting Oxidized and Rancid Off-flavors of Holstein Milk written by Theodore Richard Rounsaville and published by . This book was released on 1976 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 29 (thesis year 1984) a total of 12,637 theses titles from 23 Canadian and 202 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 29 reports theses submitted in 1984, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Book Synopsis Genotype by Environment Interaction in Milk Production and Reproductive Traits Among Holstein Cows Producing in Mexico and the US Environments by : Eugenia Cienfuegos
Download or read book Genotype by Environment Interaction in Milk Production and Reproductive Traits Among Holstein Cows Producing in Mexico and the US Environments written by Eugenia Cienfuegos and published by . This book was released on 1998 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development and Application of an Autoregressive Process for Estimating Genetic Parameters of Daily Milk Yield in a Herd of Tropical Lucerna Cattle and in US Holstein Herds by : Julio Gil Vale Carvalheira
Download or read book Development and Application of an Autoregressive Process for Estimating Genetic Parameters of Daily Milk Yield in a Herd of Tropical Lucerna Cattle and in US Holstein Herds written by Julio Gil Vale Carvalheira and published by . This book was released on 1996 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
