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Filtering by: Alternative title ssim Technical note no. F-19 Remove constraint Alternative title ssim: Technical note no. F-19 Advisor Bogart, Ralph Remove constraint Advisor: Bogart, Ralph Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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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:

1936 when the first litters of the project were farrowed. No litter data previous to 1939 19
Some genetic and environmental factors affecting weaning weights of lambs

Creator:

Dahmen, J. J. (Jerome John), 1919-

Abstract:

Eight purebred rams (four Suffolk and four Panama) previously selected as high and low on the basis of post-weaning performance feed test of 84 days were used each of three years. Each of the rams was mated to approximately 25 grade Panama ewes each year. One ram and 25 ewes...

Resource Type:

Dissertation

Full Text:

and greatest return per ewe. Romney lambs were no larger than the 19 Cheviots and were lowest in
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:

the M. S. (Degree) in GENETICS presented on |V\>Ua iHfe, 19 fc? ~7 (Major) \(Date) ' Title
Electrocardiograms and related variables of dwarf beef cattle

Creator:

Pinjani, Moti, 1939-

Abstract:

Electrocardiograms from 12 compressed male (CM), 16 compressed female (CF), ten synthetic compressed female (SCF), nine brachycephalic female (BF), and 15 dolichocephalic female (DF) dwarfs from Davis, California, taken in the scapular lead S-II (prescapular position positive and right forelimb negative) were analyzed, The data on dwarf electrocardiograms were compared...

Resource Type:

Dissertation

Full Text:

char e of major Redacted for Privacy J f Department o t) Animal Science Redacted for Privacy Dean
Some genetic and environmental factors influencing the weaning weights of southwestern range cattle

Creator:

Pahnish, O. F. (Otto Floyd), 1920-

Resource Type:

Dissertation

Full Text:

, Blunn , and Baker (19, p.341-342) found that sex had no significant influence on the gains of Hereford
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:

privacyAbstract approved: D14'. :Ralph Bogart An F 1 population resulting from mating pygmy and normal goats
Influence of chelating agents on cytological exchanges and genetic recombination in Zea mays L.

Creator:

Jones, Donald Dean

Abstract:

The present investigation with the chromosomes of Zea mays was conducted to determine: (1) the effects of chelating agents on the process of cytological exchange, and (2) the effects of chelating agents on genetic recombination. To ascertain the influence of chelating agents on cytological exchange, four known heterozygolis paracentric inversion...

Resource Type:

Dissertation

Full Text:

approximately two weeks with no use of artificial light but with the greenhouse temperature at 70° F during the
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:

College of Washington. Washington Agricultural Experiment Stations. Technical Bulletin no. 2) 24
Effect of certain blood enzymes and cellular constituents on growth in different genetic groups of sheep

Creator:

Hutto, Daniel C.

Abstract:

In the present study, five breeds of ewes and their lambs were utilized. The breeds used were: Border Cheviot, Dorset Horn, Columbia, Suffolk and Willamette. In all, 31 ewes and 42 lambs were involved. The blood constituents which were determined for the ewes and lambs were: acid and alkaline phosphatase,...

Resource Type:

Dissertation

Full Text:

lambs 50 19 Analysis of variance F values for live animal and carcass evaluation scores 51 LIST
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:

. Breed OverallWillamette Suffolk Treated No. of ewes 19 11 30 No. of ewes lambing 9 3 12 No. of

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Academic Affiliation

Animal Husbandry25
School of Agriculture9
Animal Science7
Dairy and Animal Husbandry4

Advisor

Bogart, Ralph[remove]57

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1949 to 1977

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Committee Member

Frakes, Rod V.2
Hisaw, Frederick L.2
Kronstad, Warren2
Bernier, Paul E.1
Bogart, Ralph1
more Committee Members »

Creator

Alexander, Graham Irving2
Ampy, Franklin Roosevelt2
Bhannasiri, Tim2
Dahmen, J. J. (Jerome John), 1919 2
de Baca, Roberto Luciano C., 1930 2
more Creators »

Date

Date range begin – Date range end

Current results range from 1949 to 1977

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Decade

1970-19798
1960-196922
1950-195924
1940-19493

Degree Field

Animal Husbandry24
Animal Science16
Genetics12
Dairy and Animal Husbandry4
Animal Breeding1

Degree Level

Doctoral36
Master's21

Degree Name

Doctor of Philosophy (Ph.D.)36
Master of Science (M.S.)21

Language

English [eng]57

Non-Academic Affiliation

Oregon State University. Graduate School[remove]57

Peer Reviewed

No57

Resource Type

Dissertation36
Masters Thesis21

Rights Statement

Copyright Not Evaluated56
In Copyright1

Subject

Beef cattle16
Sheep5
Cattle -- Breeding4
Cattle -- Feeding and feeds4
Sheep -- Breeding4
more Subjects »

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