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Study the Prevalence of Bovine Dermatophytosis in Rangpur District of Bangladesh

M.S. Rahman*
Department of Medicine; Surgery and Obstetrics; Hajee Mohammad Danesh Science and Technology University, Dinajpur 5200, Bangladesh

M.S. Rahman
Department of Medicine; Surgery and Obstetrics; Hajee Mohammad Danesh Science and Technology University, Dinajpur 5200, Bangladesh

M.F. Hoque
Department of Medicine; Surgery and Obstetrics; Hajee Mohammad Danesh Science and Technology University, Dinajpur 5200, Bangladesh

U.K. Rima
Department of Medicine; Surgery and Obstetrics; Hajee Mohammad Danesh Science and Technology University, Dinajpur 5200, Bangladesh

N.A. Rumi
Department of Microbiology, Hajee Mohammad Danesh Science and Technology University, Dinajpur 5200, Bangladesh

Abstract/ Executive Summary:

The study was carried out to investigate the prevalence of bovine dermatophytosis by epidemiological, clinical, microbiological and response to treatment. During the study period from February 2014 to January 2015 a total of 2025 clinical cases of bovine animal were registered, among which 69 (3.4%) were encountered as dermatophytosis. The annual prevalence of dermatophytosis were determined based on different epidemiological factors such as season, age, sex and breed. The clinical and pathological features including topographic positions of the lesions and therapeutic strategies were also reported. The overall highest, intermediate and lowest prevalence of dermatophytosis were recorded in summer (3.80%), rainy (3.17%) and winter (2.79%) season, respectively. Prevalence in female (3.52%) were more than male animals (3.25%). Young animals were more susceptible (4.42%) than calves (2.40%) and adult animals (3.83%). Indigenous cattle showed higher prevalence (3.58%) than cross breed animals (2.57%). The variation in season, age, sex and breed were not statistically significant (p-0.01). In therapeutic response combination use of oral Griseofulvin and topical application of whit-field ointment against dermatophytosis showed more effectiveness than their single dose.

Keywords: Bovine, Dermatophytosis, Prevalence, Therapy

Location: Microbiology laboratory of Hajee Mohammad Danesh Science and Technology University (HSTU) for laboratory diagnosis.

Start Date: 00-02-2014

End Date: 00-01-2015

Program Area: Pest Management

Commodity: Cattle, Diseases

Objectives:

The disease is known to exist in bovine animals but there is very limited research report of the disease in animals in Bangladesh (Neela and Alam 2000). To fill up this gap, the proposed study on bovine dermatophytosis, therefore, envisages to achieve with objectives to determine the prevalence of dermatophytosis in cattle.

Methodology:

The samples were collected from the study area and brought to the microbiology laboratory of Hajee Mohammad Danesh Science and Technology University (HSTU) for laboratory diagnosis. The study was carried out for a period of one year starting from February 2014 to January 2015 and design was based on epidemiological, clinical, laboratory examination and response to treatment. A total of 2025 cattles from urban and rural areas at sadar upazila livestock office of Rangpur district were examined. The age, breed and sex of the animals were recorded.

Clinical investigation: The entire skin surface of each of the animals was examined clinically. The lesions were detected by visual inspection, palpation and by parting of the hairs at various places of the hair coat. The lesions were also examined by visual inspection; their characters were observed by slightly scratching the lesions with the help of scalpel. The size of the lesions was measured using divider and meter scale. The areas characteristics of the lesions; their shape, size, number and locations were recorded.

Laboratory investigation: About 50 samples of skin scrapings and hairs collected from different animals, during clinical examination, were examined in the laboratory. Following washing with soap water and swabbing with 70% alcohol, the skin scrapings and hairs were collected from periphery of the active lesions using sterilized scalpel into white paper envelope. A small portion of the samples was treated with 15% potassium hydroxide solution (KOH) and was examined under microscope suggested by Beneke (1966).

Culture of the skin scraps: The portion of the same sample was inoculated into Sabouraud’s Dextrose Agar slants fortified with thiamine and chloramphenicol. The agar slants or plates were then incubated at 28°C temperature for a period of 6 weeks in order to observe the growth of dermatophytes.

Grouping of experimental animals for therapy: A total of 30 dermatophytes affected cattle were selected from the study area for comparative study of different drugs for treatment. Cattles were divided into three groups, A (n=10), B (n=10) and C (n=10). Group A were treated with whit-field ointment, Group B were treated with griseofulvin orally @ 25mg/kg twice daily for 6 weeks. Animals of group C were treated with combined whit-field ointment and griseofulvin.

Data Analysis: Collected data were subjected to statistical analysis by Chi-Square test.

Source of Information: Journal of Science and Technology 16 (June 2018): 24-28

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Young animals were more susceptible (4.42%) than calves (2.40%) and adult animals (3.83%). Indigenous cattle showed higher prevalence (3.58%) than cross breed animals (2.57%). The variation in season, age, sex and breed were not statistically significant (p>0.01). In therapeutic response combination use of oral Griseofulvin and topical application of whit-field ointment against dermatophytosis showed more effectiveness than their single dose.

Knowledge Management: Journal