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Filtering by: Alternative title ssim Circular bulletin no. 7 Remove constraint Alternative title ssim: Circular bulletin no. 7 Advisor Bogart, Ralph Remove constraint Advisor: Bogart, Ralph

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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:

foetuses averad about 7 per cent heavier and that no association between 12 foetal position and sex
The inheritance of DDT resistance in house flies

Creator:

Johnston, Elbert Felton

Resource Type:

Masters Thesis

Full Text:

Flies to the Resistant Parent Stock . . 22 7 Comparison of the Resistance of Flies Developed in 19-23
Some factors affecting rate and economy of gains in beef cattle

Creator:

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

Resource Type:

Masters Thesis

Full Text:

period is no longer than for the virgins. Further research by Bogart, Lasley and Mayer ( 7, p.1SO
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:

experiment station. Technical bulletin no. 26) 5. Dawson, W. M., Ralph W. Phillips, and W. H. Black
Relation of rate of gain to feed efficiency in beef cattle

Creator:

Blackwell, Robert Leighton

Resource Type:

Masters Thesis

Full Text:

Willet (7, p.61i2) found no apparent correlation of rapidity of growth from birth to two years of age
Reproductive performance in the rat in relation to selection for time of puberty

Creator:

Warren, Edward Perrin

Resource Type:

Dissertation

Full Text:

phenomena occur within a period of about one dq (7, p.lO) no serious error ia involTed lthen one relies on
Some genetic and environmental factors affecting "net efficiency" of beef cattle

Creator:

Nelms, George Estes, 1927-2011

Resource Type:

Masters Thesis

Full Text:

restrictions. No new genes can be created by selection, so the effectiveness of his selections depend upon
Genetic and environmental factors affecting certain productive characters in sheep

Creator:

McLeroy, G. B. (George B.)

Resource Type:

Dissertation

Full Text:

is almost no handicap to the conatructive breeder ot economic plants and animala. What the
Genetic and environmental differences in important economic traits of crossbred sheep in spring lamb production

Creator:

De Baca, Roberto Luciano C., 1930-

Resource Type:

Masters Thesis

Full Text:

assistance In the preparation of the manuscript. TABLE OF CONTENTS Pase i Review of Literature 7
The response of genetically related groups of young beef cattle to administered male hormones

Creator:

Burris, Martin Joe

Resource Type:

Dissertation

Full Text:

and a: have in- creased the ,onadotropic hornone content of the anterior pituitary gland. re were no

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Academic Affiliation

Animal Husbandry20
Animal Science8
School of Agriculture7
Dairy and Animal Husbandry5

Advisor

Bogart, Ralph[remove]50

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1951 to 1974

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Committee Member

Frakes, Rod V.2
Hisaw, Frederick L.2
Bernier, Paul E.1
Calvin, Lyle1
Conklin, Frank1
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 1950 to 1974

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Decade

1970-19796
1960-196922
1950-195922

Degree Field

Animal Husbandry19
Animal Science15
Genetics10
Dairy and Animal Husbandry5
Animal Breeding1

Degree Level

Doctoral32
Master's18

Degree Name

Doctor of Philosophy (Ph.D.)32
Master of Science (M.S.)18

Language

English [eng]50

Non-Academic Affiliation

Oregon State University. Graduate School50

Peer Reviewed

No50

Resource Type

Dissertation32
Masters Thesis18

Rights Statement

Copyright Not Evaluated49
In Copyright1

Subject

Beef cattle14
Cattle -- Breeding5
Sheep5
Cattle -- Feeding and feeds4
Growth4
more Subjects »

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