Journal article Open Access

An Epidemiological Investigation the Outbreak of Stephanofilariasis in Kanaighat Upazila, Sylhet, Bangladesh

Ahmed, Foyez; Dipta, Prantho Malakar; Haque, Md. Saidul; Ara, Iffat; Shykat, Chamali Akter


Parasitic diseases in domestic animals are common in Bangladesh. Filarial worm Stephanofilarial assamensis is the causal agent of Humpsore and it is transmitted by a vector (fly) named Musca conducens. The study was directed to find out the occurrence of Humpsore in cattle population in Kanaighat Upazila of Sylhet, Bangladesh. The study began from November 2016 to October 2017. In this period, a total of 7702 cattle were brought to the Kanaighat Upazila veterinary hospital and examined. From the total, 99 cattle were found to be clinically affected with Humpsore. The disease was diagnosed on the basis of owner complaint, clinical signs, physical signs and gross examination of the lesion. In this study the overall prevalence was (1.28%) and disease prevalent more in adult cattle. The outbreak of diseases occurs throughout the year but the maximum prevalence was found in May (2.93%). Disease prevalence mostly found in male than female. The disease prevalence in male was (1.75%) and in female (0.76%). In this research, the highest prevalence (2.06%) was found in the age group of over 5 years. The velocity of infection grown with the increase of the age of the animals. According to seasonal influence, a maximal disease outbreak in rainy season and prevalence was (2.37%) and lowest prevalence found in the winter season and it was (0.69%).  P-value (P<0.05) was considered as level of significant.

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