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VetMed Resource

Veterinary information to support practice, based on evidence and continuing education

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Abstract

The degree of hypobiosis was determined from worm burdens recovered at necropsy in tracer calves allowed to graze plots contaminated by northern and southern cattle in both zones during the autumn of 1982 and spring of 1983. In the northern autumn, the northern (Ohio) isolate attained a...

Author(s)
Frank, G. R.; Herd, R. P.; Marbury, K. S.; Williams, J. C.
Citation
International Journal for Parasitology, 1986, 16, 4, pp 391-398
Abstract

In a previous study the different hypobiotic responses by northern and southern isolates of O. ostertagi, when compared side by side in the north (Ohio) and the south (Louisiana), indicated a genetic difference between the 2 isolates. The pattern and frequency of hypobiosis of the transferred...

Author(s)
Frank, G. R.; Herd, R. P.; Marbury, K. S.; Williams, J. C.; Willis, E. R.
Citation
International Journal for Parasitology, 1988, 18, 2, pp 171-177