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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:: , 1962 . * . . . ili 4 Circular plot frame, 2.4 square -feet in area, used to determine density

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

Creator:: Elliott, Jon Carner
Abstract:: The objectives of this study were to determine the diets of cattle at risk to DABPE on stress and inciting pastures and to determine if segregated feeding groups of cattle displayed differential susceptibility to DABPE. Stress pastures were classified and mapped by plant communities and segregated feeding group areas. Cattle...
Resource Type:: Masters Thesis
Full Text:: community. A 4.8 ft2 circular plot was used to delineate all sample plots. Green weight estimates were

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

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