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Filtering by: Alternative title ssim EC 1329 Remove constraint Alternative title ssim: EC 1329 Degree Field Animal Science Remove constraint Degree Field: Animal Science

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Senecio jacobaea : toxicity and effects on mineral metabolism in animals

Creator:

Swick, Robert Alphonso

Abstract:

Several experiments were conducted to examine the toxicity of Senecio jacobaea (SJ) in animals resistant to pyrrolizidine alkaloid (PA) intoxication and to determine the extent of alterations in mineral metabolism as a result of SJ intoxication. Inclusion of SJ into diets containing added copper (Cu) resulted in increased (P<.01) liver...

Resource Type:

Dissertation
The role of the plasminogen activator system in the etiology of ovarian follicular cysts in dairy cattle

Creator:

McNeel, Anthony Kent

Abstract:

Cystic ovarian disease (COD) is an anovulatory condition in cattle that afflicts between 6-18% of all dairy cows in the US. Ovulation is dependent on the plasminogen activator (PA) family of proteases and protease inhibitor for proteolysis, culminating in follicular rupture. Failure of the follicle to ovulate suggests an aberration...

Resource Type:

Dissertation
In vitro hormonal and metabolic control of bovine mammary glucose 6-phosphate dehydrogenase activity

Creator:

Young, Allen Jack

Abstract:

Two studies were conducted to determine the in vitro metabolic and hormonal effects on glucose 6-phosphate dehydrogenase activity (G6PD) in bovine mammary explants. Study I was conducted to determine the effects of palmitoyl CoA (5 and 25 uM), acetate (1 and 10 mM), spermidine (0.4 mM) and putrescine (0.4 mM)...

Resource Type:

Dissertation
Mechanisms of estradiol-17β-induced down-regulation of ovine uterine oxytocin receptors during the estrous cycle

Creator:

Hazzard, Timothy McLagan

Resource Type:

Dissertation
Development, evaluation and application of a mixed-family selective breeding method for the Pacific oyster (Crassostrea gigas)

Creator:

Matson, Sean Erik

Abstract:

This dissertation develops mixed family selection for Pacific oysters using marker-based pedigree reconstruction. It focuses on improving the efficiency of parentage assignment, determining the optimum life stage to mix oyster families for rearing and selection, comparing mixed-family and separate-family selective breeding in the field, and applying the mixed method to...

Resource Type:

Dissertation
Secretion of luteinizing hormone in response to exogenous melatonin in postpartum beef cows and ovariectomized beef heifers

Creator:

Sucheta, Susan Leers

Resource Type:

Dissertation

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Academic Affiliation

Animal Sciences5
Animal Science1

Advisor

Stormshak, Fredrick2
Cheeke, Peter R.1
Menino, Alfred R., jr.1
Meyer, Howard H.1
Swanson, Lloyd V.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1982 to 2011

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Committee Member

Anglemier, A.1
Banks, Michael1
Boudry, Pierre1
Buhler, D. R.1
Chappell, Patrick1
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Creator

Hazzard, Timothy Mclagan1
Matson, Sean Erik1
Mcneel, Anthony Kent1
Sucheta, Susan Leers1
Swick, Robert Alphonso1
more Creators »

Date

Date range begin – Date range end

Current results range from 1981 to 2010

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Decade

2010-20192
1990-19992
1980-19892

Degree Field

Animal Science[remove]6

Degree Level

Doctoral6

Degree Name

Doctor of Philosophy (Ph.D.)6

Language

English [eng]6

License

All rights reserved2

Non-Academic Affiliation

Oregon State University. Graduate School6

Peer Reviewed

No6

Resource Type

Dissertation6

Rights Statement

Copyright Not Evaluated4
In Copyright2

Subject

Beef cattle -- Reproduction -- Endocrine aspects1
Bovidae1
Dairy cattle -- Generative organs -- Cysts -- Etiology1
Estradiol -- Physiological effect1
Luteinizing hormone1
more Subjects »

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