Index Catalog // ScholarsArchive@OSU

Creator:: Pryor, William Joseph
Abstract:: A Cr₂0₃, and cellulose fibre mixture was used with cattle, in three grazing and two semi-restricted experiments, to study the mode of its excretion, the possibility of using it in a once-daily dosing and grab-sample regime to estimate fecal output and in a field experiment to test a hypothesis involving...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OT' THE THESIS OF 1r,l/illiam Joseph Plyor for

Creator:: Bedell, Thomas E.
Abstract:: Sheep and cattle dietary preferences were determined on tall fescue-subclover ( Festuca arundinacea-Trifolium subterraneum) and perennial ryegrass-subclover (Lolium perenne-Trifoliuni subterraneum) pastures in western Oregon during the spring and summer periods of 1964 and 1965. Esophageal-fistulated Willamette ewes and Hereford and Hereford-Angus yearling cattle were grazed separately on each pasture mixture...
Resource Type:: Dissertation
Full Text:: were grazed separately on each pasture mixture at a low stocking rate in 1964 and both low and high

Creator:: Merrill, Melissa L.
Abstract:: Two experiments were conducted to evaluate the influence of a yeast-derived cell wall preparation (YCW) on forage intake and digestibility, ruminal fermentation characteristics, serum prolactin and prolactin stores, and milk production in beef cattle consuming high-alkaloid tall fescue straw. In Exp. 1, 16 Angus x Hereford ruminally cannulated steers (200...
Resource Type:: Dissertation
Full Text:: : The Ability of a Yeast-Derived Cell Wall Preparation to Minimize Toxic Effects of High-Alkaloid Tall

Creator:: Sharp, Lee Ajax
Abstract:: Land useable for livestock grazing in the western United States is diminishing because of spreading municipalities, irrigation developments, highway construction, recreational demands and withdrawals. Concurrently, the demand for livestock and livestock products is increasing because of a rapidly growing population. As a result, production from the grazing land that remains...
Resource Type:: Dissertation
Full Text:: because of a rapidly growing population. As a result, pro- duction from the grazing land that remains

Creator:: Byers, John Harkness, 1918-
Resource Type:: Dissertation
Full Text:: PHYSIOLOGICAL PROCESSES JOHN HABICNESS BYERS A THESIS submitted to OREGON STATE COLLEGE in partial

Creator:: Schauer, Christopher Scott
Abstract:: Our objective was to determine the influence of CP supplementation frequency (SF) on cow performance, grazing time, distance traveled, maximum distance from water, cow distribution, DMI, DM digestibility, harvest efficiency (HE), percentage of supplementation events frequented, and CV for supplement intake for cows grazing low-quality forage. One hundred-twenty pregnant (approx....
Resource Type:: Dissertation
Full Text:: forage. One hundred-twenty pregnant (approx. 60 d) cows (467 ±4 kg BW) were used in a 3 x 3 Latin square

Creator:: Ellis, William Wesley
Resource Type:: Dissertation
Full Text:: by WILLIAM WESLEY ELLIS A THESIS submitted to OREGON STATE COLLEGE ir. partial fulfillment

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