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Bovine leptospirosis in urban and peri-urban dairy farming in low-income countries: a “One Health” issue?
- Rajala, Elisabeth Lindahl, Sattorov, Nosirjon, Boqvist, Sofia, Magnusson, Ulf
- Acta veterinaria scandinavica 2017 v.59 no.1 pp. 83
- Leptospira borgpetersenii, Leptospira interrogans serovar hardjo, One Health initiative, cattle diseases, control methods, dairy cows, dairy farming, grazing, humans, leptospirosis, planning, public health, risk factors, seroprevalence, suburban areas, urban areas, urbanization, Tajikistan
- Global trends in urbanization are increasing the spread of neglected zoonotic infections such as leptospirosis, and reducing the number of human cases of leptospirosis is best accomplished by controlling the infection in the animal reservoir. The aim of this study was to determine the seroprevalence of Leptospira borgpetersenii serovar Hardjo and L. interrogans serovar Hardjo (L. Hardjo) exposure and to assess the associated risk factors for infection in small-scale dairy farming in the urban and peri-urban area of Dushanbe, Tajikistan. The true individual seroprevalence among the dairy cows was 13%, and the level of seroprevalence was positively associated with older cows and with communal grazing practices. The study shows that dairy cows are commonly exposed to L. Hardjo in the study region, and this constitutes a public health risk and demonstrates the importance of including urban and peri-urban areas, where large numbers of humans and animals coexist, when investigating zoonotic infections and when planning and implementing control measures for cattle-associated leptospirosis.