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VetMed Resource

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Abstract

The degree of nematode infectivity of a previously contaminated pasture (grazed by cattle and calves) in Rio Grande do Sul State, Brazil, which was reseeded after harvesting of a soya bean crop was determined by use of 4 tracer lambs and 4 tracer calves. The 8 tracers were put to graze for 14 days...

Author(s)
Echevarria, F. A. M.; Armour, J.; Duncan, J. L.; Pinheiro, A. C.
Citation
Veterinary Parasitology, 1993, 50, 1/2, pp 151-155