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Abstract

Observations on faecal egg count (FEC) and nematode identification data were compiled to help determine the extent of nematode parasitism in cows and their nursing calves in various regions of the USA. Overall mean FEC values for cows in Utah, Louisiana, Nevada, Texas and California were 7 eggs per ...

Author(s)
Miller, J. E.
Citation
Veterinary Parasitology, 1993, 46, 1-4, pp 289-295
Abstract

The epidemiology of bovine ostertagiasis in northwestern USA (Oregon, Montana, Washington State, Idaho, Wyoming, California, Nevada, Utah) is reviewed under the headings: factors influencing epizootiology (elevation, topography, moisture, rainfall, snow, geothermal water, irrigation); epidemiology...

Author(s)
Zimmerman, G. L.; Worley, D. E.; Rickard, L. G.
Citation
Veterinary Parasitology, 1993, 46, 1-4, pp 303-311