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Genetic analysis of maternal ability and evaluation of some environmental factors affecting preweaning performance of beef cattle

Creator:: Eftekhari-Shahroudi, Feridoun, 1939-
Resource Type:: Dissertation
Full Text:: significant; however, a significant difference due to this factor was detected for birth weight and suckling

Actual and predicted response to selection on maternally influenced traits in the mouse

Creator:: Lind, Ronald Egnard
Abstract:: An experiment was conducted to determine if selection from standardized litters would be effective in separating lines of mice selected for increased and decreased litter weight at 14 days of age, and if response to selection on this maternally influenced trait could be accurately predicted. Data were collected on litter...
Resource Type:: Dissertation
Full Text:: will have little effect on changes in litter size and litter birth weight but a slight response in

A comparison of metabolism of rapidly and slowly gaining beef cattle

Creator:: MacDonald, Malcolm Allan
Resource Type:: Dissertation
Full Text:: later study, Knapp arid Clark (l31,pp.365-370) found a gross correlation of 0.0001 between acore at

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:: from a Diallel Cross of Three Inbred Lines of Suffolk Sheep AN ABSTRACT OF THE THESIS OF Prentiss

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:: weights. The first year re sults of a linecrossing experiment (Brinks, Clark and Kieffer, 1963a

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:: reported by Knapp and Clark ( 18, p.584 ). They used a large number of sires and offspring in a half-sib

Serum T₄ and liver NAD and NADP as performance indicators in beef cattle

Creator:: Brokaw, Bryan Edward
Abstract:: The relationships of serum T₄ (thyroxine) levels and liver nicotinamide nucleotide coenzyme (NAD and NADP) levels with production of traits of beef cattle were investigated at both weaning (182 kg) and following performance testing (363 kg). In addition, the value of these parameters as selection criteria for improved performance was...
Resource Type:: Dissertation
Full Text:: . The reliability of suckling gains as a predictor is not high (Clark et al., 1963). The predictive

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:: work of Brinks, Clark and Kieffer (7) indicated that there was a negative influence on growth of

Performance in relation to weaning response in production tested beef cattle

Creator:: Williams, Lloyd Grainger
Resource Type:: Masters Thesis
Full Text:: slope of the re- gression. Knapp d Clark (l, p.180) found a progressively better measure of

Comparative values of liver nicotinamide nucleotide coenzymes, endocrine glands, and their relationships with production traits of diallel crossed beef bulls

Creator:: Anwar-Afghan, Mohammad
Abstract:: This investigation for the first time reports information on the correlation of various forms and ratios of nicotinamide nucleotide coenzymes in the liver tissue and endocrine glands weight with various production traits. Fifty-five inbred and line cross beef bulls raised under standard management conditions and slaughtered at 1000 lbs. body...
Resource Type:: Dissertation
Full Text:: concentration of NADP+ was lower than NADPH per gram of frozen liver tissue. All forms of coenzymes showed a

ScholarsArchive@OSU

Genetic analysis of maternal ability and evaluation of some environmental factors affecting preweaning performance of beef cattle

Actual and predicted response to selection on maternally influenced traits in the mouse

A comparison of metabolism of rapidly and slowly gaining beef cattle

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

Performance of three inbred lines of Herford cattle and their linecrosses

Effectiveness of selection for gains in body weight in beef cattle

Serum T₄ and liver NAD and NADP as performance indicators in beef cattle

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

Performance in relation to weaning response in production tested beef cattle

Comparative values of liver nicotinamide nucleotide coenzymes, endocrine glands, and their relationships with production traits of diallel crossed beef bulls

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