Prevalence of gastrointestinal helminthes in buffaloes in Barisal district of Bangladesh
DOI:
https://doi.org/10.3329/bjvm.v11i2.19137Keywords:
Prevalence, gastrointestinal helminthes, BarisalAbstract
A total 270 samples were collected from July 2012 to December 2012 from three upazilas (Barisal sadar, Bakergonj and Mehendigonj) of Barisal district to know the prevalence of gastrointestinal helminthes. Samples were collected in 10% neutral buffered formalin and shifted to Parasitology laboratory of the department of Pathology and Parasitology under the Animal Science and Veterinary Medicine (ANSVM) faculty of Patuakahli Science and Technology University. Samples were examined by direct smear method and simple sedimentation method of fecal sample examination technique. Among 270 samples 107 (39.6%) samples were found positive for gastrointestinal helminthes. Five types of helminthes were identified namely Fasciola gigantica (26.17%), Amphistomes (60.75%), Neoascaris vitulorum (1%), Schistosoma bovis (1%), Trichostrongylus axei (2%). The prevalence of mixed infection with Fasciola gigantica and Amphistomes was 9.34%. No cestode was found in this study. Comparative study among three different upazila shows highest prevalence in Barisal sadar (44%) and lowest in Mehendigonj (25%). Geographical location of different char island of Sadar upazila and season of sample collection may be the cause of highest prevalence of gastrointestinal helminthes in Sadar upazila of the district. Study period covered rainy season and part of winter season only. Highest parasitic ova were found in rainy season (44.32%) than winter season (29.41%). The age specific prevalence were 12.15%, 14.02%, 40.19%, 33.65% in 0-6 months, 7 months-2 years, 3 years- 6 years & 7 years - above respectively. History of administering anthelmintic (Levamisole hydrochloride) to the calf may be the cause of lowest prevalence of parasitic infection at early age in the study area. In this study, highest number (60.75%) of Amphistomes was found among positive cases. Some important Amphistomes of buffalo are Paramphistomum, Cotylophoron, Gigantocotyle, Gastrothylax etc. are difficult to differentiate through fecal sample examination. So, to understand the detail epidemiology, at least a year study using gross morphological examination with molecular characterization of helminthes is needed.
DOI:http://dx.doi.org/10.3329/bjvm.v11i2.19137
Bangl.J.Vet.Med. (2013).11(2): 131-135
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