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Gastro-intestinal nematode infections in goats relative to season, host sex and age from the Kashmir valley, India

Published online by Cambridge University Press:  23 July 2009

K.A. Tariq*
Parasitology Research Laboratory, Post Graduate Department of Zoology, Faculty of Science, University of Kashmir, Srinagar190 006, Kashmir, India
M.Z. Chishti
Parasitology Research Laboratory, Post Graduate Department of Zoology, Faculty of Science, University of Kashmir, Srinagar190 006, Kashmir, India
F. Ahmad
Parasitology Research Laboratory, Post Graduate Department of Zoology, Faculty of Science, University of Kashmir, Srinagar190 006, Kashmir, India


The present study aimed to investigate the seasonal epidemiological prevalence of gastro-intestinal nematodes (GINs) of goats with respect to sex and age of the host in the Kashmir valley from 1 February 2005 to 31 January 2007. A total of 1267 goats were examined [faecal examination: 938 (year 1: 470; year 2: 468); gastro-intestinal (GIT) examination: 329 (year 1: 175; year 2: 154)]. The overall prevalence of GIN infection in these animals was 54.3% (year 1: 54.8%; year 2: 53.8%; P = 0.842). The different parasites reported with their respective prevalences (%) were: Haemonchus contortus (48.3); Bunostomum trigonocephalum (30.1); Chabertia. ovina (29.8); Ostertagia circumcincta (29.8); Nematodirus spathiger (25.2); Trichostrongylus spp. (25.1); Oesophagostomum columbianum (23.5); Trichuris ovis (19.0); and Marshallagia marshalli (16.6). The mean maximum prevalence of GIN infection (faecal examination: 75.6 ± 0.20; GIT examination: 85.3 ± 0.95), faecal egg counts (2552 ± 85.7) and average worm burden (333.25 ± 2.25) were found in the summer and they were lowest in winter (prevalence: faecal examination, 23.2 ± 0.95; GIT examination, 12.7 ± 0.20; faecal egg counts: 134.15 ± 9.15; and average worm burden: 79.8 ± 52.2), with significant differences between the seasons (P < 0.05). The sex of the hosts was not an important factor influencing the prevalence of GIN infection. With the increase in host age, prevalence of infection decreased significantly (P ≥ 0.05). Thus seasonal dynamics and age of the host animals significantly influenced the prevalence of GIN infection. The above findings will be helpful in devising the appropriate control strategies for GINs of goats reared under the traditional husbandry system in temperate agro-climatic conditions in the Kashmir valley as well as in similar climatic zones of other parts of the world.

Research Papers
Copyright © Cambridge University Press 2009

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