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Incidence of Ascariasis in Calves Reared Under Rural Condition

K. B. M.S. Islam
Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

N. K. Shil
Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

M. T. Islam
Department of Medicine, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

S. K. Das
Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

Abstract/ Executive Summary:

Faecal examination of 189 randomly selected rural calves in 12 villages of Rajoir upazila under Madaripur district of both sexes aged between < 3 months to 1 year old with or without the signs of gastroenteritis during three months periods from June to August 2003 revealed that 64.5 % calves were infected with Toxorara vitulorum. Significantly (p < 0.0 I) higher incidence of ascariasis was found in cross bred calves (64.28% -75.67%) than in indigenous calves (46.66%). Age-wise analysis indicated that ascariasis was significantly (p < 0.0 I) prevalent in calves upto 3 months (81.35%) of age following by 3 to 6 months (70.58%) in comparison to > 6 to 12 months (41.93%) of age. Incidence of T. vitulorum infection was significantly (p < 0.01) higher in male calves (73.24%) than in female (57.92%}. All the calves infected with ascariasis were diarrhoeic (100%), with pale mucous membrane (71.31%), rough body coat (74.59%) and emaciation (65.57%). Cachexia (19.67%) and erected hair (4.91%) were also recorded as clinical signs. Normal temperature was found in 95.08% calves while subnormal temperature recorded in 4.91% calves infected with T. vitulorum

Keywords: Incidence, Ascariasis, Calves

Location: In 12 villages of Rajoir upazila under Madaripur district

Start Date: 00-06-2003

End Date: 00-08-2003

Program Area: Animal Health and Management

Commodity: Calf

Objectives:

The present study was undertaken to know the present status of ascarid infection in calves in Bangladesh.

Methodology:

This study was conducted on 189 randomly selected rural calves of both sexes and different breeds aged between <3 months to I year old with or without the signs of gast oenteritis, in 12 villages of Rajoir upazila under Madaripur district, for three months period from June to August 2003 during internship placement. The villages were in low lying swampy areas. Faecal sample of each of the selected calf was collected directly from the rectum in cellophane bags and transferred to the laboratory of Rajoir Veterinary Hospital for parasitological examination. Each of the collected faecal samples was examined immediately after collection by conventional direct smear method as described by Samad (2001). The ascarid eggs were identified on the basis of their characteristic morphological features (Soulsby, 1982). At least three slides were examined before declaring a case negative. Faecal samples were also examined grossly with naked eye for ascarid worms. The results of faecal sample examination were then recorded according to age, sex, and breed of the calves. Data were analyzed statistically for significant difference of incidence in relation to breed, age and sex (Snedecor and Cochran, 1980).

Source of Information: Bangl. J. Vet. Med. (2005). 3 (1): 21-23

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The clinical signs recorded in this study are the characteristic clinical signs of ascariasis.

Knowledge Management: Journal