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Open Access
Copyright: The authors. This article is an open access
article licensed under the terms of the Creative Commons Attribution License
(http://creativecommons.org/licenses/by/2.0) which permits unrestricted use,
distribution and reproduction in any medium, provided the work is properly
cited.
Research (Published
online : 06-08-2013)
5. Concurrent infection and seasonal distribution of
gastrointestinal parasites in cross-bred cattle of Sirajganj district in
Bangladesh - M. Aktaruzzaman, S. A. Rony, M. A. Islam, M. G. Yasin
and A.K.M.A. Rahman
Veterinary World, 6(10): 720-724
doi:
10.14202/vetworld.2013.720-724
Abstract
Aim: To determine the extent
of concurrent infection and seasonal distribution of
gastrointestinal parasites in cross-bred cattle of Shahzadpur
upazila of Sirajganj district, Bangladesh.
Materials and Methods: Faecal samples from 4248 cross-bred
cattle presented to the diagnostic centre of Milk Vita, Baghabari,
Sirajganj with complains of digestive disturbances over the period
from November, 2008 to October, 2009 were examined grossly with
naked eye followed by microscopic examination with direct smear
method, Will's floatation and sedimentation techniques.
Results: Out of 4248 faecal samples examined, 3268 (76.93%)
samples harboured one or more parasitic ova or cyst and the rest
980 (23.07%) samples found free of parasitic ova or cyst. Among
the positive cases, single infection of fascioliasis (29.0.5%),
paramphistomiasis (8.3%), toxocariasis (11.32%), haemonchosis
(2.47%), monieziasis (0.7%), balantidiasis (4.19%), trichuriasis
(1.1%), trichostrongylosis (1.4%) and strongyloidosis (1.6%) were
diagnosed. Mixed infection with at least two (dual infection) and/
or any three of above mentioned parasitic species (triple
infection) were also recorded. Cattle harbouring eggs of one
parasite were more common [60.03% (95% Confidence interval (CI):
58.53, 61.51)] than those harbouring eggs of two [15.44% (95% CI,
14.36, 16.56)] or three [1.46% (95% CI, 1.12, 1.87)] parasites
concurrently. Significantly (p<0.001) higher proportion of
fascioliasis cases observed in rainy season compared to those in
winter and summer season, similar trends were also noticed in case
of paramphistomiasis, toxocariasis and balantidiasis. An
increasing trend of occurrence from summer through rainy and
winter season was observed in case of haemonchosis, monieziasis,
trichuriasis and strongyloidosis but not statistically significant
(p>0.05). A non-significant (p>0.005) decreasing trend of
occurrence from winter through summer and rainy season was also
observed in case of trichostrongylosis.
Conclusion: The result of current study clearly indicate
that helminth infections are highly prevalent in cross-bred cattle
of the study area. The findings on abundance and distribution of
gastrointestinal parasitism in different age groups of cattle, the
poly-parasitism nature of the disease and the seasonal variation
of occurrence obtained from present study will therefore assist
the clinicians for forecasting of parasitism and make awareness
among the farmers to take appropriate control measures against
them.
Keywords: concurrent infection, cross-bred cattle,
gastrointestinal parasitism, seasonal distribution.
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