Foot and mouth disease (FMD) is a highly contagious viral disease of cloven-hoofed animals and one of the endemic diseases in Ethiopia. The study was aimed to estimate the seroprevalence and to assess associated risk factors of foot and mouth disease seroprevalence in West Shewa Zone. A total of 384 sera samples were collected from randomly selected cattle and tested using ELISA for antibodies against nonstructural proteins of foot and mouth disease viruses based on IDEXX FMD Multispecies Ab Test (IDEXX Laboratories Inc, USA). The seroprevalence of foot and mouth disease in West Shewa Zone was found to be 40.4% (95% CI: 35.46–45.27) at an animal and 74.7% (95% CI: 65.58–83.85) at the herd level. Multivariable logistic regression analysis indicated that districts, breed, and animal composition were the potential risk factors of FMD seropositivity. Accordingly, cattle found in Abuna Ginde Beret (odds ratio (OR): 9.1, 95% CI: 2.4–34.1, p=0.001), Cheliya (OR: 8.8, 95% CI: 2.5–31.3, p=0.001), Bako Tibe (OR: 7.6, 95% CI: 2.1–28.3, p=0.002), Tokekutaye (OR: 5.8, 95% CI: 1.7–19.5, p=0.004), and Jeldu (OR: 5.3, 95% CI: 1.3–21.5, p=0.020) districts were more at risk to be infected with FMD than cattle from Ambo. The odds of FMD seropositivity was significantly higher in cattle kept with small ruminants (OR: 2.1, 95% CI: 1.3–3.3, p=0.003) than cattle alone. The analysis also revealed that the odds of seropositivity were 6 times higher in crossbred compared with local cattle (p=0.003). The current study found high seroprevalence of FMD in West Shewa Zone. Therefore, cattle should be vaccinated regularly after the identification of specific FMD serotypes circulating in the study area.
Brucellosis is considered to be the most widespread zoonosis throughout the world. It has a serious implication on human health as well as on the economic development in a developing country like Bangladesh. The objective of the present study was to determine the seroprevalence and to delineate the risk factors for Brucella seropositivity in small ruminants in Mymensingh district of Bangladesh. In the present study, serum samples were collected from a total of 2456 small ruminants (1710 goat and 746 sheep) from 13 upazilla of Mymensingh district. The data related to age, sex and location were also collected using a questionnaire. Serum samples were screened using Rose Bengal Test (RBT) and Enzyme Linked Immunosorbent Assay (ELISA). Seroprevalence of brucellosis was 9.53% in goats and 9.92% in sheep on RBT test. In goat, the highest Brucella antibody was observed in Mymensingh sadar upazilla (13%) followed by Dhobaura upazilla (12.9%). On the other hand, highest ovine Brucella antibody observed in Haluaghat upazilla (13.04%) followed by Mymensingh sadar (12.5%). The prevalence was more in adults (55.2% in goats and 57% in sheep) than young (8.6% in goat and 8.1% in sheep) and more in female goats (41.1%) and sheep (39.2%) than male goats (14.1%) and sheep (18%). ELISA test showed 33.70% (31 out of 92 RBT positive samples) positive reaction of total RBT positive reactors. The result of this study can be useful to initiate and establish a program for controlling and prevention through test and slaughter, culling of infected animal from flock and vaccination.
Background: Brucellosis is one of the ancient re-emerging zoonotic diseases which play a significant economic impact on public health and livestock sector. Many studies were carried out on the epidemiology of the disease recently but economic importance was not focused on those studies. This study was conducted to determine the true prevalence and economic impact of caprine and ovine brucellosis in Mymensingh district, Bangladesh. Methods: A cross-sectional epidemiologic study covering all upazilas of Mymensingh district, Bangladesh was conducted during the period from January to December, 2016. The data related to age, sex, abortion record and reproduction disorders were also collected on the sampling day using a questionnaire. Blood samples ( n=2593) were collected from randomly selected native goat and sheep where Rose Bengal Test, Rapid Brucella AB test kit and MAb-ELISA (Monoclonal antibody based blocking Enzyme-Linked Immunosorbent Assay) were used to identify the positive reactors. Results: The prevalence of caprine and ovine brucellosis was estimated to be 1.6% whereas it was found to be 1.56% and 1.64 % in goats and sheep respectively. The prevalence data was incorporated to the economic model to quantify the financial loss due to brucellosis. The total losses attributed to the disease was 48436400 taka (605455 US$) annually in the district whereas 46462900 taka (580786.25 US$) and 1973500 taka (24668.75 US$) in goat and sheep respectively. Conclusions: The study concluded that brucellosis silently constitutes economic loss to the economy of the country and the producers due to insufficient knowledge and inadequate diagnostic facilities, lack of awareness and an effective prevention and control strategy.
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