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Effect of different nitrogen sources on molasses-based liquid supplements for cattle

Creator:: Ortega-Rivas, Eligio
Resource Type:: Dissertation
Full Text:: Doctor of Philosophy in Animal Science presented on July 30, 1980 Title: EFFECT OF DIFFERENT NITROGEN

Relationship of dietary crude protein to factors in uterine secretions and plasma in high producing postpartum dairy cows

Creator:: Jordan, Ellen Rae
Abstract:: Eighteen multiparous, high producing (7,836 kg 4% FCM) Holstein dairy cows were assigned randomly to iso- . caloric rations containing either 12 or 23% crude protein (CP) on day 40 postpartum. After a 10-day adaptation period, uterine secretion and blood samples were collected on the day of estrus (day 0-1),...
Resource Type:: Dissertation
Full Text:: ELLEN RAE JORDAN for the degree of DOCTOR OF PHILOSOPHY in ANIMAL SCIENCE presented on May 26, 1981

Supplementation of zinc and copper in practical broiler rations and the effect on performance

Creator:: Oldenkamp, Mark Gilbert
Resource Type:: Masters Thesis
Full Text:: available to poultry than that in animal proteins (O'Dell and Savage, 1957a; Morrison and Sarrett, 1958

Kin recognition in Townsend's chipmunks (Tamias townsendii)

Creator:: Fuller, Claire A.
Abstract:: Juvenile T. townsendii were tested at 55-62 days of age to determine whether 1) they could distinguish kin from non-kin and 2) whether this ability was based on familiarity or on genetic relatedness. Seventy-three pups were observed in 68 pairwise tests. The frequencies and durations of 8 behaviors as well...
Resource Type:: Masters Thesis
Full Text:: IN TOWNSEND'S CHIPMUNK, (TAMIAS TOWNSENDII) INTRODUCTION Numerous animal species can discriminate

Interactions between grizzly bears and hikers in Glacier National Park, Montana

Creator:: Jope, Katherine Louise McArthur
Abstract:: Behavior of grizzly bears (Ursus arctos) toward people was studied by examining hikers' reports of grizzly bear observations and by intensively observing grizzlies in an area of Glacier National Park that was heavily used by day-hikers. Of concern were the apparent habituation of grizzly bears to people in the study...
Resource Type:: Masters Thesis
Full Text:: vegetation or animal matter that is available at a given time and, in some areas, depend upon occasional

Selenium deficiency in the equine

Creator:: Basler, Susan E.
Abstract:: Whole blood selenium levels were measured in 207 horses, representing 41 ranches and 11 regions throughout Oregon. Age, sex, diet, and history of disease were recorded. Diet was divided into three categories; local feed only, commercial feed, and Se supplemented feed. Region (p<.01), diet type (p<.01), and a region x...
Resource Type:: Masters Thesis
Full Text:: THESIS OF SUSAN E. BASLER for the degree of MASTER OF SCIENCE in ANIMAL SCIENCE presented on May 7

Flow cytometric evaluation of spermatozoan nuclear chromatin structure and viability

Creator:: Ballachey, Brenda Elizabeth
Abstract:: I. Frozen bovine semen samples were measured by flow cytometry (FCM) to determine if FCM analyses could be useful for sperm quality evaluation and prediction of bull fertility. Fluorescent dyes utilized were acridine orange, to measure sperm nuclear chromatin heterogeneity by quantifying susceptibility of the chromatin to denaturation, and rhodamine...
Resource Type:: Dissertation
Full Text:: degree of Doctor of Philosophy in Animal Science presented on June 13, 1985 . Title: Flow Cytometric

An appraisal of risks and benefits in the provision of selenium for beef cattle

Creator:: Hathaway, Ronald L.
Abstract:: Three experimental grazing trials were conducted to explore the hypothesis that in the Klamath Basin, a higher level of selenium supplementation is necessary than those proven adequate elsewhere. Two forage species were investigated: Festuca arundinaeca and Agropyron repens, in 0.61 hectare plots, both grown in a selenium deficient soil area....
Resource Type:: Dissertation
Full Text:: Philosophy in Animal Science presented on April 24,1987 Title: An Appraisal of Risks and Benefits in the

Effects of two forms of intrareticular selenium supplements on beef cow selenium status and on the transfer of selenium from dam to offspring

Creator:: Campbell, Donald T.
Abstract:: Two concurrent studies were conducted to evaluate the effect of selenium (Se) supplementation on beef cows. Trial 1 was designed to evaluate the safety and efficacy of two intrareticular Se supplementation delivery systems. Trial 2 was designed to evaluate the transfer of Se across the placenta and through the colostrum...
Resource Type:: Masters Thesis
Full Text:: THE THESIS OF Donald T. Campbell for the degree of Master of Science in Animal Science presented on

Preventing selenium deficiency in livestock

Creator:: Oldfield, J. E., 1921-, Frischknecht, W. Dean, and Oregon State University. Extension Service
Abstract:: Published April 1983. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: animal's carcass. In the living animal, there may be varying degrees of stiffness, sometimes to the point

ScholarsArchive@OSU

Effect of different nitrogen sources on molasses-based liquid supplements for cattle

Relationship of dietary crude protein to factors in uterine secretions and plasma in high producing postpartum dairy cows

Supplementation of zinc and copper in practical broiler rations and the effect on performance

Kin recognition in Townsend's chipmunks (Tamias townsendii)

Interactions between grizzly bears and hikers in Glacier National Park, Montana

Selenium deficiency in the equine

Flow cytometric evaluation of spermatozoan nuclear chromatin structure and viability

An appraisal of risks and benefits in the provision of selenium for beef cattle

Effects of two forms of intrareticular selenium supplements on beef cow selenium status and on the transfer of selenium from dam to offspring

Preventing selenium deficiency in livestock

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