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Concurrent infections of Fasciola, Schistosoma and Amphistomum spp. in cattle from Kafue and Zambezi river basins of Zambia

Published online by Cambridge University Press:  01 December 2008

J. Yabe*
Affiliation:
Paraclinical Studies Department, School of Veterinary Medicine, The University of Zambia, PO Box 32379, Lusaka, Zambia
I.K. Phiri
Affiliation:
Clinical Studies Department, School of Veterinary Medicine, The University of Zambia, PO Box 32379, Lusaka, Zambia
A.M. Phiri
Affiliation:
Clinical Studies Department, School of Veterinary Medicine, The University of Zambia, PO Box 32379, Lusaka, Zambia
M. Chembensofu
Affiliation:
Paraclinical Studies Department, School of Veterinary Medicine, The University of Zambia, PO Box 32379, Lusaka, Zambia
P. Dorny
Affiliation:
Department of Parasitology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B-9820Merelbeke, Belgium Prince Leopold Institute of Tropical Medicine, Nationalestraat 155, B-2000, Antwerp, Belgium
J. Vercruysse
Affiliation:
Department of Parasitology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B-9820Merelbeke, Belgium
*
*Fax: +260-01-291190 E-mail: [email protected]

Abstract

This study investigated interactions among Fasciola gigantica, Schistosoma spp. and Amphistomum spp. concurrent natural infections in Zambian cattle, based on egg and worm counts. In the abattoir 315 cattle were screened for worms of F. gigantica in the liver, Schistosoma spp. in mesenteric veins and/or Amphistomum spp. in the rumen. One hundred and thirty-three (42.2%) of the abattoir-examined cattle harboured one, two or all three trematodes. Of 133 cattle, 50 were randomly selected for worm and egg counts. The mean numbers ( ±  SD) of Amphistomum, Schistosoma and Fasciola were 622.08 ( ±  97.87), 33.68 ( ±  7.44) and 19.46 ( ±  4.58), respectively. A total of 32% harboured all the three trematodes, 66% had F. gigantica and Amphistomum spp. infections, 52% had Schistosoma spp. and Amphistomum spp. infections while 32% had F. gigantica and Schistosoma infections. A positive correlation (P = 0.014) was found between F. gigantica and Amphistomum worm burdens. There were no correlations between Amphistomum and Schistosoma worm burdens and between F. gigantica and Schistosoma worm burdens. It may be concluded that there is no significant cross-protection among these trematodes in cattle in endemic areas.

Type
Research Papers
Copyright
Copyright © Cambridge University Press 2008

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