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Full-Text Articles in Life Sciences
Determining Market Areas For Livestock Grazing, Robert G. Williams
Determining Market Areas For Livestock Grazing, Robert G. Williams
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Differentials between rancher costs of operating on private and public range were studied in an attempt to define market areas for livestock grazing in western United States.
The problem of defining market areas is basically a problem of grouping differentials between rancher costs of grazing on private leased range and National Forests that are reasonably homogeneous and statistically testing differences among means of the different groups.
Several methods were used to group forests with reasonably uniform differentials into market areas for cattle. A grouping of forests which have the same average grazing fee does not, however, yield market areas which …
An Epidemiological Survey Of Avian Tuberculosis In Livestock, Poultry, And Wild Birds In Rich County, Utah, Royal Thair Carver
An Epidemiological Survey Of Avian Tuberculosis In Livestock, Poultry, And Wild Birds In Rich County, Utah, Royal Thair Carver
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
A study was conducted in Rich County, Utah to determine the extent of avian tuberculosis in livestock, poultry and wild birds. Sensitivity was elicited in cattle, swine and chickens by tuberculin testing.
The Mycobacterium avium organism was obtained from tissues and specimens of cattle, swine, goats, chickens, magpies and sparrows.
Methods of eradication of avian tuberculosis and the relationship of avian tuberculosis to mammalian tuberculosis are discussed.