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VetMed Resource

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

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Abstract

Anthelmintics, which remain the principal means for the prevention and control of subclinical and clinical ostertagiasis are reviewed under the headings: available anthelmintics (ivermectin, albendazole, fenbendazole, oxfendazole, thiabendazole, levamisole, morantel tartrate, phenothiazine,...

Author(s)
Prichard, R. K.; Ranjan, S.
Citation
Veterinary Parasitology, 1993, 46, 1-4, pp 113-120
Abstract

A differential rate of uptake of fenbendazole had been thought to account for its lower efficiency against the 4th stage larva (EL4). This was tested by giving large amounts of the isotope labelled anthelmintic to 4 infected calves, but testing recovered adult and larvae revealed no difference in...

Author(s)
Prichard, R. K.; Donald, A. D.; Dash, K. M.; Hennessy, D. R.
Citation
Veterinary Record, 1978, 102, 17, pp 382
Abstract

Anthelmintic control of Ostertagia ostertagi in cattle presents some special problems because the arrested larval stage (hypobiotic EL4) tolerates all of the older anthelmintics. The only anthelmintics on the North American market that are effective against this atage as well as the adult and...

Author(s)
Prichard, R. K.
Citation
Veterinary Parasitology, 1988, 27, 1, pp 97-109
Abstract

Cambendazole (CBZ), fenbendazole (FBZ), oxfendazole (OFZ) and thiabendazole (TBZ) all inhibited the fumarate-stimulated oxidation of NADH in Haemonchus contortus mitochondria. These observations plus the phenomenon of cross resistance to benzimidazoles suggested that the different benzimidazoles...

Author(s)
Prichard, R. K.; Hennessy, D. R.; Steel, J. W.
Citation
Veterinary Parasitology, 1978, 4, 4, pp 309-315