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Prevalence and seasonal changes in the gastro-intestinal helminths of Nigerian goats

Published online by Cambridge University Press:  05 June 2009

C.O. Nwosu ,
A.F. Ogunrinade  and
B.O. Fagbemi
C.O. Nwosu*
Affiliation:
Department of Veterinary Microbiology and Parasitology, University of Ibadan, Ibadan, Nigeria
A.F. Ogunrinade
Affiliation:
Department of Veterinary Microbiology and Parasitology, University of Ibadan, Ibadan, Nigeria
B.O. Fagbemi
Affiliation:
Department of Veterinary Microbiology and Parasitology, University of Ibadan, Ibadan, Nigeria
*
*Correspondence: Department of Veterinary Microbiology and Parasitology, University of Maiduguri P.M.B. 1069, Maiduguri, Nigeria
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Abstract

A total of 120 gastro-intestinal tracts and 960 faecal samples were examined to assess the prevalence and seasonal changes in the gastro-intestinal helminth parasites of Red Sokoto (maradi) goats slaughtered at Ibadan between May 1991 and April 1992. Egg types of strongyles, Strongyloides, Trichuris, Skrjabinema, Dicrocoelium and Moniezia were encountered in 93%, 83%, 44%, 0.9%, 2.3% and 31% of the faecal samples respectively. However, only strongyle, Strongyloides and Trichuris eggs occurred in large numbers and were more common during the rainy season than in the dry season. The parasites recorded and their prevalences were Haemonchus contortus (90.0%), H. ovis (5.0%), Strongyloides papillosus (80.8%), Trichostrongylus colubriformis (78.3%), T. axei (69.2%), Trichuris ovis (72.5%), T. globulosa (38.3%), Oesophagostomum columbianum (67.5%), Cooperia curticei (58.3%) Gaigeria pachyscelis (40.8%), Skrjabinema ovis (5.0%), Nematodirus battus (5.8%), Moniezia expansa (29.2%), M. benedeni (10.0%), Paramphistomum spp. (5.0%) and Cysticercus tenuicollis (33.3%). Haemonchus ovis is reported for the first time in Nigeria. Mixed infections were most prevalent. Young goats were more commonly infected and had higher worm counts than adult goats. Only Haemonchus, Trichostrongylus, Strongyloides and Cooperia spp. occurred in large numbers. Irrespective of the age of the goats, higher worm counts were generally encountered during the rainy season than in the dry season. The results are discussed in relation to the control of helminthiasis in grazing animals in Nigeria.

Type
Research Papers
Information
Journal of Helminthology , Volume 70 , Issue 4 , December 1996 , pp. 329 - 333
Copyright
Copyright © Cambridge University Press 1996

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