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Effectiveness of selection for productive characteristics in developing the Montana no. I hogs

Creator:: McEwen, Wesley Charles
Abstract:: One of the most important productive characteristics of hogs is reproductive efficiency. Reproductive efficiency is best measured by litter size at weaning. Litter size at birth and weight of the pigs at birth are among the most important factors affecting litter size at weaning. It has been demonstrated that less...
Resource Type:: Masters Thesis
Full Text:: ACITOaIG:EMENTS ppreciation is expressed to Dr. flaiph Bogart, Professor, Department of Animal Husbandry, for

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:: : PERFORMANCE OF THREE INBRED LINES OF HEREFORD CATTLE AND THEIR LINECROSSES Abstract approved: Dr. Ralph

Morphology of epididymal spermatozoa from inbred and linecross bulls

Creator:: Turner, H. A.
Abstract:: Data were presented on epididymal spermatozoa from 29 inbred and linecross bulls raised at Oregon State University in connection with the Western Regional Beef Cattle Breeding Project, W-1. The inbred bulls came from four inbred lines. Three of these inbred lines were Herfords and the other line was Angus. The...
Resource Type:: Masters Thesis
Full Text:: ACKNOWLEDGEMENT The author wishes to sincerely acknowledge the advice and guidance of Dr. Ralph Bogart, under

Some genetic and environmental factors affecting "net efficiency" of beef cattle

Creator:: Nelms, George Estes, 1927-2011
Resource Type:: Masters Thesis
Full Text:: ihslmtor ACKNOWLEDGMENT T.he writer is indebted to Dr. Ralph Bogart; Professor of Antmal Husbandry

The effects of thiouracil and thyroprotein on growth, wool production and fertility of rams

Creator:: Adams, Charles C.
Resource Type:: Masters Thesis
Full Text:: ACKNLEDGBT The 'vriter wishes to express his sincere appreciation to Dr. Rslph Bogart, Lajor Professor

Some factors affecting rate and economy of gains in beef cattle

Creator:: Dahmen, J. J. (Jerome John), 1919-
Resource Type:: Masters Thesis
Full Text:: Lila Mae Clamo ACJEDGEUN The va'lter expresses sincere appreciation to Dr. Ralph Bogarb, irofes

Genetic parameters of the house fly (Musca domestica Linn.)

Creator:: Konanta, Sugsanguan
Abstract:: Eight strains of housefly, Musca domestica Linn., from two laboratories were intercrossed to form a stock population. Virgin males and females from the stock were collected, and nine sets, each consisting of twelve males mated to five females, were successively done. Pupae weight, adult weight, emergence time and egg production...
Resource Type:: Masters Thesis
Full Text:: (MUSCA DOMESTICA LINN. ) Abstract approved: Redacted for Privacy Dr. Ralph Bogart Eight strains of

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:: author is very grateful to Dr. Ralph Bogart for his helpful guidance throughout the study of the data

Relation of rate of gain to feed efficiency in beef cattle

Creator:: Blackwell, Robert Leighton
Resource Type:: Masters Thesis
Full Text:: . Ralph Bogart, Professor of Animal Husbandry, for his guidance which was so generously given in the

The serum phosphatases of beef cattle as indices for rate and economy of gains

Creator:: Alexander, Graham Irving
Resource Type:: Masters Thesis
Full Text:: throughout the period of study. Deep appreciation is expressed to Doctors Ralph Bogart and Hugo M

ScholarsArchive@OSU

Effectiveness of selection for productive characteristics in developing the Montana no. I hogs

Performance of three inbred lines of Herford cattle and their linecrosses

Morphology of epididymal spermatozoa from inbred and linecross bulls

Some genetic and environmental factors affecting "net efficiency" of beef cattle

The effects of thiouracil and thyroprotein on growth, wool production and fertility of rams

Some factors affecting rate and economy of gains in beef cattle

Genetic parameters of the house fly (Musca domestica Linn.)

Effectiveness of selection for gains in body weight in beef cattle

Relation of rate of gain to feed efficiency in beef cattle

The serum phosphatases of beef cattle as indices for rate and economy of gains

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