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Filtering by: Subject Nematoda Academic Affiliation College of Veterinary Medicine

Efficacy of morantel sustained release bolus against gastrointestinal nematodes in first season grazing Holstein calves

Creator:

Syhre, Danny R.

Abstract:

The efficacy of the morantel sustained release bolus (MSRB) in reducing gastrointestinal parasitism in first season grazing calves was evaluated during the summer-fall grazing seasons of 1982 and 1983 in western Oregon. Thirty-eight calves (1982) and 40 calves (1983) were randomly assigned to a control and treatment group each season....

Resource Type:

Masters Thesis
The Epizootiology of gastrointestinal nematodes of cattle in selected areas of Oregon

Creator:

Rickard, Lora G.

Abstract:

A study was initiated to 1) determine which species of gastrointestinal nematodes are present in cattle in selected areas of Oregon, 2) examine the seasonal abundance of these nematodes as an indicator of periods of transmission and 3) determine at what season developmental inhibition occurs in the major genera of...

Resource Type:

Masters Thesis