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A Study on Incidence of Gastrointestinal Parasites in Buffaloes from Different Slaughter Houses of Chittagong Metropolitan Area

Mohammad Belayet Hossain
Department of Physiology, Biochemistry and Pharmacology, Chittagong Veterinary and Animal Sciences University, Khulshi, Chittagong

Md. Selim Mahmud
Department of Physiology, Biochemistry and Pharmacology, Chittagong Veterinary and Animal Sciences University, Khulshi, Chittagong

Amir Hossan Shaikat
Department of Physiology, Biochemistry and Pharmacology, Chittagong Veterinary and Animal Sciences University, Khulshi, Chittagong

Shubaghata Das
Department of Pathology and Parasitology, Chittagong Veterinary and Animal Sciences University, Khulshi, Chittagong

Md. Abdul Alim
Department of Pathology and Parasitology, Chittagong Veterinary and Animal Sciences University, Khulshi, Chittagong

Md. Abul Hashem
Department of Health, Chittagong City Corporation, Chittagong

Abstract/ Executive Summary:

The study was conducted to investigate the incidence of gastrointestinal parasites of buffalo in different slaughter houses of Chittagong Metropolitan Area, Bangladesh. A total of 100 faecal samples were collected from three slaughter houses and studied by coproscopic examinations. Direct smear, sedimentation and floatation techniques along with egg micrometry were conducted to identify various parasitic eggs. Among 100 faecal samples 69% were positive for different individual parasitic infestation. Trematodes, nematodes, cestodes and protozoan infestations were 48%, 16%, 2% and 3%, respectively. Among the trematodes Schistosoma sp. (23%), Paramphistomum sp. (15%) and Fasciola sp. (10%) were found. Incidence of nematode infestations were Toxocara sp (4%), Oesophagostomum sp. (5%), Cooperia sp. (2%), Bunostomum sp. (3%) and 1% for both Trihostrongylus sp. and Strongyloides sp. Mixed infection were observed 7% of positive samples. Results indicate that the heavy worm burden in buffaloes causes severe economic loss to the farmers by reducing the overall productivity.

Keywords: Slaughter house, Buffalo, Coproscopy, parasites.

Location: Chittagong Metropolitan Area

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Buffalo

Objectives:

The present study was undertaken to investigate the incidence of gastrointestinal parasites in buffalo samples collected from different slaughter houses of Chittagong Metropolitan Area.

Methodology:

Buffalo faeces sample were collected from different slaughter houses in Chittagong Metropolitan Area and brought to the Parasitology Laboratory of Chittagong Veterinary and Animal Sciences University for further analyses. A total of 100 faecal samples of buffaloes were collected from the slaughter houses of Firingi bazar, Pahartali and Oxygen of Chittagong Metropolitan Area. The buffaloes were gathered from the border areas of India and costal areas and kept for sale or slaughter purpose. With the help of flotation and sedimentation technique, these samples were examined. These samples were collected from pre-slaughtered animals. To ensure better condition during sample collection the following precautions were taken. The fresh faecal samples were collected in air-tight containers to prevent desiccation, 4-5 drops of 10% formalin were used to fix the samples and refrigerated until used. The faecal samples were examined by direct smear, flotation and sedimentation techniques and faeces counting method. The species of the various eggs of the parasites were identified according to their characters and morphology. It is the easiest quantitative method to count the number of eggs present in the faeces without the help of McMaster. Species-wise eggs of the helminthes parasites viz. trematodes, nematodes and cestodes, were observed and counted. The number of eggs determined the number of eggs present per gm of the faecal matter. Statistical analysis: Data were entered into a spreadsheet of Microsoft Excel and were analyzed using Graph pad software.

Source of Information: Univ. j. zool. Rajshahi Univ. Vol. 30, 2011 pp. 05-07 ISSN 1023-6104

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Also the nematode infestation was statistically significant (P<0.01). The highest infestation was of Oesophagostomum sp. (5%) followed by Toxocara sp. (4%), Bunostomum sp. (3%), Cooperia sp. (2%), Strongyloides sp (1%) and Trichostronghylus sp. (1%). Incidence of cestodes: Out of the 2 positive samples for cestodes, one genus (Monezia) was recorded with 2 species (2%). Out of the 3 positive samples for protozoa, 2 genera (Balantidium and Coccidia) were observed with 2 species, constituting 3% incidence. Among 69 positive samples, 10 samples were found as mixed infections with 3-4 species in each sample. Among helminthes, the intensity of light infection was noted due to Schistosoma sp. with 5%, Paramphistomum sp. 2% and other protozoan infection 3%, indicating a very high incidence of worm infestations in buffaloes, though there was wide variation in worm infestations in buffaloes. It may be attributed to the fact that buffaloes are prone to internal parasites due to their habit of wallowing in marshy areas, from where they may have engulfed the eggs/larvae of different species of worms. The higher incidence of worm infestation may be attributed to the higher rainfall during the study period.

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