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Filtering by: Alternative title ssim Report no. 2241 Remove constraint Alternative title ssim: Report no. 2241 Contributor advisor sim Bogart, Ralph Remove constraint Contributor advisor sim: Bogart, Ralph Rights Statement Copyright Not Evaluated Remove constraint Rights Statement: Copyright Not Evaluated

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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:

in Developing the Montant No. 1 Hogs AN ASTFACT OF TI TEIS OF p es1ey Charles Mcwen For the M
Genetics of sheep transferrins as determined by disc electrophoresis

Creator:

Nix, Carroll Eugene

Abstract:

A total of 902 plasma samples from the Rambouillet, Targhee, Columbia, Lincoln, and Suffolk breeds of sheep were analyzed for transferrin type by disc electrophoresis. Six transferrin types, Tf[superscript A], Tf[superscript B], Tf[superscript C], Tf[superscript p], Tf[superscript E], and Tf[superscript P], were found in the Rambouillet, Targhee, and Columbia breeds...

Resource Type:

Dissertation

Full Text:

are inherited as co-dominant autosomal allelic genes. No evidence was found to support a pre- vious
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:

no report on these coenzymes in beef cattle. One of the reasons may be the lack of experimental
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:

present in excess over NADH and NADP+ respectively. No significant differences in coenzyme concentrations
Genetic polymorphism of sheep hemoglobin

Creator:

Templeton, Joe Wayne, 1941-

Abstract:

Five breeds of sheep (Columbia, Targhee, Rambouillet, Lincoln, and Suffolk) were found to possess two hemoglobin types (Hb. A and Hb. B) when their hemoglobins were examined by disc gel electrophoresis. The hemoglobin alleles proved to be co-dominant. Three of the breeds (Columbia, Targhee, and Rambouillet) were maintained at altitudes...

Resource Type:

Dissertation

Full Text:

homozygosity as inbreeding exceeded 35%. There were no significant differences among the means of pro
The relationship between x-ray induced teratogeny and chromosome aberrations in golden hamster embryos

Creator:

Jones, William Elvin

Abstract:

The relationship between x-ray induced chromosome aberrations and x-ray induced embryonic abnormalities was studied. Golden hamsters were irradiated during four stages of gestation: the blastocyst stage, 4.5 days post-copulation; the primitive streak stage, 6.5 days post-copulation; the organogenesis stage, 9.5 days post-copulation; and the period of fetal growth, 11.5 days...

Resource Type:

Dissertation

Full Text:

responsible for the embryonic abnormalities but there is no correlation between the numbers of chromosome
Response of scorbutic guinea pigs to ascorbic acid and adrenocorticotropic hormone (ACTH)

Creator:

Riker, Joseph Thaddeus III

Abstract:

Thirty-six female guinea pigs were placed on a scorbutogenic diet for 14 days and then divided into groups of four. Three groups received adrenocorticotropic hormone (ACTH) with each group given 10, 20, or 40 units. Three groups each received 50 mg of ascorbic acid and three groups received 50 mg...

Resource Type:

Masters Thesis

Full Text:

alone there is no difference between the tirne intervaLs, but there is a significant differenc. (p
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:

, histological examination of the reproductive tracts of treated and control ewe lambs were made. No differences
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:

components of carcass grade, percent drip, tenderness, juiciness and thyroid gland weight. No specific
An analysis of the response to selection for high and low rate of gain in the mouse, Mus musculus

Creator:

Burrill, Melinda Jane

Abstract:

An experiment was conducted to examine the responses to selection for high and low rate of gain in the mouse under a system whereby inbreeding was maximized. Rate of gain was measured by an index designed to include gains in both the pre- and postweaning periods with the gains in...

Resource Type:

Dissertation

Full Text:

, virtually no response to selec- tion for low index occurred. Responses of the component parts of the

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Academic Affiliation

Animal Husbandry20
School of Agriculture8
Dairy and Animal Husbandry4
Animal Science3

Advisor

Bogart, Ralph48

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1949 to 1977

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Committee Member

Hisaw, F. L.2
Hisaw, Frederick L.2
Kronstad, Warren2
Becker, R. R.1
Bogart, Ralph1
more Committee Members »

Creator

Ampy, Franklin Roosevelt2
Bhannasiri, Tim2
Nelms, George Estes, 1927 20112
Adams, Charles C.1
Addleman, Albert Duane1
more Creators »

Date

Date range begin – Date range end

Current results range from 1949 to 1977

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Decade

1970-19796
1960-196920
1950-195920
1940-19492

Degree Field

Animal Husbandry19
Genetics13
Animal Science11
Dairy and Animal Husbandry4
Animal Breeding1

Degree Level

Doctoral34
Master's14

Degree Name

Doctor of Philosophy (Ph.D.)34
Master of Science (M.S.)14

Language

English [eng]48

Non-Academic Affiliation

Oregon State University. Graduate School48

Peer Reviewed

No48

Resource Type

Dissertation34
Masters Thesis14

Rights Statement

Copyright Not Evaluated[remove]48

Subject

Beef cattle11
Cattle -- Breeding5
Cattle -- Feeding and feeds4
Genetics -- Research4
Sheep4
more Subjects »

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