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Estimation of the percentage of fat and lean in the edible portion of steer carcasses

Creator:: Kennick, Walter Herbert
Resource Type:: Dissertation
Full Text:: thanks to Dr. David c. Englmd for con t1nuous assistance and guidance through out the course of this

Effect of rations of various energy to body weight ratios on growth rate and feed efficiency of weaner steers fed to slaughter

Creator:: Schlender, John Ralph
Resource Type:: Masters Thesis
Full Text:: author wishes to extend his most sincere apprecia- tion to Dr. David C. England, Associate Frofessor of

Weights and nursing positions of pigs and milk production of individual under sections of sows

Creator:: Rose, Harvey Frederic
Resource Type:: Masters Thesis
Full Text:: Redacted for Privacy Redacted for Privacy ACKNOWLEDGMENTS The author wishes to thank Dr. David England

Genetic and environmental influences upon litter size and variation of birth weights in Berkshire swine

Creator:: Chapman, Verne Merrill
Abstract:: Litter site and birth weight data compiled from the farrowing records of 275 litters out of 109 purebred Berkshire sows of the Oregon State University swine herd during the years 1953 to 1960 inclusive were used in this study. Genetic and environmental factors influencing four components of reproductive performance, namely,...
Resource Type:: Masters Thesis
Full Text:: ACKNOWLEDGEMENTS The writer wishes to express his sincere thanks and gratitude to Dr. David C. England

The relationship of initial weight to growth rate in preweaning pigs

Creator:: Keeler, Joseph Lambert
Abstract:: Growth data compiled in this study were collected by using pigs farrowed during the fall, 1963 and spring, 1964 farrowing seasons of the Oregon State University swine herd. Thirty-seven trios of light-, medium- and heavy-birth-weight suckling pigs were used to determine the effect of birth weight on subsequent rate of...
Resource Type:: Masters Thesis
Full Text:: wishes to express his sincere thanks to Dr. David C, England, associate professor of Animal Science, for

Selection for hybrid female reproductive performance in the mouse

Creator:: Chapman, Verne Merrill
Abstract:: The design of this study was suggested by the following observations: (1) the successful application of recurrent selection techniques in obtaining improvement of hybrid performance in corn and Drosophila, (2) the increased production realized by rotational crossbreeding, and (3) the expression of a relatively large degree of hybrid vigor in...
Resource Type:: Dissertation
Full Text:: and significant learning experiences and I would like to thank Dr. David C. England for the

Response of market hogs to periodic changes among nutritionally similar rations

Creator:: Hamstreet, John Leslie, 1940-
Abstract:: An experiment was conducted during the period November 1967 to November 1968 at Oregon State University (OSU) and the Umatilla Branch Experiment Station (BES) at Hermiston, two trials at each location, to answer several questions: (1) could comparable rations for swine be formulated by a computer on a least-cost basis;...
Resource Type:: Masters Thesis
Full Text:: MARKET HOGS TO PERIODIC CHANGES AMONG NUTRITIONALLY SIMILAR RATIONS Abstract approved: David C

Reproductive characteristics of two breeds of swine fed dichlorvos

Creator:: Trindade, Roger James
Abstract:: Thirty-six gilts were used in an experiment of 2³ factorial design. The experiment consisted of two breeds (Yorkshire- Berkshire and Yorkshire), two feeding regimens (pre-breeding and post-breeding) and two levels of dichlorvos (2, 2-dichlorovinyl dimethyl phosphate, 0 and 800 mg. per gilt per day). Pre-breeding treatment consisted of feeding dichlorvos...
Resource Type:: Masters Thesis
Full Text:: SWINE FED DICHLORVOS Abstract approved: Redacted for Privacy David C. EnglOd Thirty-six gilts were

Genetic-protein level interaction in growth and carcass traits of market hogs

Creator:: Boyd, Steven Michael
Abstract:: Progeny from three sires of differing genetic background were divided within litters by sex and placed on either a 15 or 19% protein ration. The test period began when the experimental animals weighed 60 pounds and continued until they were slaughtered at 225 pounds. This test period was divided into...
Resource Type:: Masters Thesis
Full Text:: INTERACTION IN GROWTH AND CARCASS TRAITS ()F MARKET HOGS Redacted for PrivacyAbstract approve David C ngland

The relationship of blood glucose levels to ovulation rate and early embryonic mortality in gilts

Creator:: Day, Paul E.
Abstract:: A study was made of blood glucose levels and their relationship to reproduction in gilts. Twelve blood samples, two in each of three successive weeks, before and after breeding were taken. Half of the samples were obtained from gilts in a fasting state and half after feeding. All samples were...
Resource Type:: Masters Thesis
Full Text:: MORTALITY IN GILTS c:-Redacted for Privacy Abstract approved: David C. E land A study was made of blood

ScholarsArchive@OSU

Estimation of the percentage of fat and lean in the edible portion of steer carcasses

Effect of rations of various energy to body weight ratios on growth rate and feed efficiency of weaner steers fed to slaughter

Weights and nursing positions of pigs and milk production of individual under sections of sows

Genetic and environmental influences upon litter size and variation of birth weights in Berkshire swine

The relationship of initial weight to growth rate in preweaning pigs

Selection for hybrid female reproductive performance in the mouse

Response of market hogs to periodic changes among nutritionally similar rations

Reproductive characteristics of two breeds of swine fed dichlorvos

Genetic-protein level interaction in growth and carcass traits of market hogs

The relationship of blood glucose levels to ovulation rate and early embryonic mortality in gilts

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