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OJVRTM
Online Journal of Veterinary Research©
Volume 19(2):
74-79, 2015. Redacted 2018.
Prevalence and seasonal
occurrence of gastrointestinal parasites in small ruminants of coastal areas of
Tamil Nadu.
A. Varadharajan* and R. Vijayalakshmi
Division of Animal Husbandry, Faculty of
Agriculture, Annamalai University, Annamalai Nagar – 608 002.Tamil Nadu, India.
ABSTRACT
Varadharajan A, Vijayalakshmi R.,
Prevalence and seasonal occurrence of gastrointestinal parasites in small ruminants
of coastal areas of Tamil Nadu, Onl J Vet Res., 19(2):
74-79, 2015. We report prevalence and seasonal variation of
gastrointestinal parasites in small ruminants from Tamil Nadu, India. 1356
faecal samples, 63 from goats and 50 from sheep per month were analysed and
61.50% were found to be positive for endoparasites.
Prevalence of gastrointestinal parasites was higher in sheep (66.33%) than
goats (57.67%). Endoparasites found in small
ruminants were nematodes, cestodes and trematodes of
which Haemonchus sp was
predominant in both sheep and goats. Infection percentages were higher during
the rainy season (68.36%) followed by winter (60.84%) and summer (55.30%). The
findings show that infestation by gastrointestinal parasites
in small ruminants were most prevalent in organized and small holding
flocks. Appropriate treatments with broad spectrum anthelmintic should be done
at the start and end of the rainy season. Such treatment regime is strategic to
get rid of the parasitic burden in the small ruminants and also minimize
pasture contamination by reducing faecal egg counts.
Key words:
prevalence, seasonal variation, gastrointestinal parasites, small ruminants,
Tamil Nadu.
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