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Genetic and physiological relationships of growth hormone and growth in goats

Creator:: Simms, Danny Dale
Abstract:: An F₁ population resulting from mating pygmy and normal goats (local commercial breeds) was crossed to give an F₂ population. Analysis of wither height and body weight indicated that the F₂ population was intermediate between the parental types (pygmy and normal) with little overlap of phenotypic values for body size...
Resource Type:: Dissertation
Full Text:: go to Dr. Lloyd Swanson for his competent advice on all facets of this research and assistance with

Performance in relation to weaning response in production tested beef cattle

Creator:: Williams, Lloyd Grainger
Resource Type:: Masters Thesis
Full Text:: LLOYD GRAIN GER WILLIAMS A THESIS submitted to OREGON STATE COLLEGE in partial fulfillment of

The response of genetically related groups of young beef cattle to administered male hormones

Creator:: Burris, Martin Joe
Resource Type:: Dissertation
Full Text:: aided in the collection of data on the live animals; to A, W. Oliver, Associate Professor of Animal

Estimates of combining abilities, heterotic effects and phenotypic correlations among in-bred lines of beef cattle and their line-crosses

Creator:: Humes, Paul Edwin
Abstract:: The investigations were based on a complete diallel cross among three inbred lines of Hereford cattle. Records of Angus calves born during the same period were used to obtain more accurate estimates of environmental effects and to determine breed differences among the various traits included in the study. Estimates of...
Resource Type:: Dissertation
Full Text:: members Dr, Rod V. Frakes, Fredrick L. Hisaw, Jr. and W. R. Furtick for the time and competent advice

Performance of three inbred lines of Herford cattle and their linecrosses

Creator:: Munji, Marcus Tebid
Abstract:: Three inbred and relatively unrelated lines of Hereford cattle (1. Lionheart, 2. Prince, and 3. David) developed at the Corvallis branch of the Oregon Agricultural Experiment Station as part of the W-1 project of the Western States were crossed annually from 1963 through 1965 inclusive. Data on 137 inbred and...
Resource Type:: Masters Thesis
Full Text:: W-1 project of the Western States were crossed annually from 1963 through 1965 inclusive. Data on

Certain genetic and maternal environmental influences on growth rate and body composition of lambs

Creator:: Addleman, Albert Duane
Abstract:: The present study was designed to investigate the relationship of milk production and milk quality to growth rate and certain organ-oleptic measurements of lambs of mutton breeds, Nine mature ewes in their fourth lactation of the Border Cheviot, Dorset Horn, Columbia, Suffolk, and Willamette breeds were acquired making a total...
Resource Type:: Dissertation
Full Text:: .4 Dorset Horn 11. 0 Columbia 10. 8 Suffolk 8.0 'W illarnette 1 0. 0 23, 6 23. 5 24.4 zz.0 23

Selection applied, response of traits and combining abilities of inbred lines of beef cattle

Creator:: Hoornbeek, Frank K. (Frank Kent), 1928-
Abstract:: The investigations reported are based on two studies; the first is concerned with the selection practiced for performance in one inbred Angus and three inbred Hereford lines of cattle, the realized responses, levels of inbreeding and associated performance, and heritabilities of the performance traits. Selection differentials for all performance traits...
Resource Type:: Dissertation
Full Text:: , Frederick L. Hisaw, Jr., and Rod V. Frakes is especially appreciated. Duane Addleman and Lloyd Westcott

Hormonal stimulation of breeding activity in different genetic groups of ewe lambs

Creator:: West, Dennis Errol, 1942-
Abstract:: An investigation of the effects of exogenous gonadotropic treatments on fertility of various genetic groups of ewe lambs were run over a six-year period. Since hormonal treatments varied and the experimental animals were different from one breeding season to the next, each year comprised a separate study. Hormone treatment included...
Resource Type:: Dissertation
Full Text:: analysis and Mr. Lloyd Wescott for technical assistance and collection of data are also gratefully

Estimation of general and specific combining abilities from a diallel cross of three inbred lines of Suffolk sheep

Creator:: Schilling, Prentiss E. (Prentiss Edwin), 1941-
Abstract:: The investigations were based on a complete diallel cross among three inbred lines of Suffolk sheep. Line of sire effects were assumed to be an estimate of general combining ability effects while sire x dam interaction was assumed to be an estimate of specific combining ability. The line of dam...
Resource Type:: Dissertation
Full Text:: , Joe Templeton, and Lloyd Westcott for assistance in collection of the data. TABLE OF CONTENTS

Effectiveness of selection for gains in body weight in beef cattle

Creator:: Hitchcock, Glen Henry
Abstract:: Research has yielded valuable information about the inheritance of body weight in many mammals. The results with one species may not be directly applicable to another species, but since the results do not contradict genetic theory, one must assume that the same general rules apply to all species. When the...
Resource Type:: Masters Thesis
Full Text:: and in the preparation of the manuscript. Appreciation is expressed to W. A. (Art) Sawyer

ScholarsArchive@OSU

Genetic and physiological relationships of growth hormone and growth in goats

Performance in relation to weaning response in production tested beef cattle

The response of genetically related groups of young beef cattle to administered male hormones

Estimates of combining abilities, heterotic effects and phenotypic correlations among in-bred lines of beef cattle and their line-crosses

Performance of three inbred lines of Herford cattle and their linecrosses

Certain genetic and maternal environmental influences on growth rate and body composition of lambs

Selection applied, response of traits and combining abilities of inbred lines of beef cattle

Hormonal stimulation of breeding activity in different genetic groups of ewe lambs

Estimation of general and specific combining abilities from a diallel cross of three inbred lines of Suffolk sheep

Effectiveness of selection for gains in body weight in beef cattle

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