Coxiella seroprevalence and risk factors in large ruminants in Bihar and Assam, India

Coxiellosis is a zoonotic disease caused by the ubiquitous bacteria Coxiella burnetii, which can be spread either through ticks or through body fluids. In humans the infection is characterized by a febrile disease; ruminants may abort and reduce their milk yield, causing serious production losses fo...

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Autores principales: Shome, R., Deka, Ram Pratim, Milesh, L., Sahay, S., Grace, Delia, Lindahl, Johanna F.
Formato: Journal Article
Lenguaje:Inglés
Publicado: Elsevier 2019
Materias:
Acceso en línea:https://hdl.handle.net/10568/100698
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author Shome, R.
Deka, Ram Pratim
Milesh, L.
Sahay, S.
Grace, Delia
Lindahl, Johanna F.
author_browse Deka, Ram Pratim
Grace, Delia
Lindahl, Johanna F.
Milesh, L.
Sahay, S.
Shome, R.
author_facet Shome, R.
Deka, Ram Pratim
Milesh, L.
Sahay, S.
Grace, Delia
Lindahl, Johanna F.
author_sort Shome, R.
collection Repository of Agricultural Research Outputs (CGSpace)
description Coxiellosis is a zoonotic disease caused by the ubiquitous bacteria Coxiella burnetii, which can be spread either through ticks or through body fluids. In humans the infection is characterized by a febrile disease; ruminants may abort and reduce their milk yield, causing serious production losses for the farmer. In India, the disease has been known to be present since the 1970s, but little is known about the epidemiology in most states. In this cross-sectional survey in the two states of Assam and Bihar, 520 households were interviewed for risk factors, and serum samples from 744 dairy animals were analyzed using ELISA as well as PCR. Out of the farms, 17.4% had at least one seropositive animal, with significantly higher seroprevalence in Bihar (27.1%) than Assam (5.8%); and significantly more sero-positive farms in urban areas (23.1%) than rural (12.2%). On an individual animal level, 14.1% were seropositive, with higher prevalence among buffaloes than cows (28.0% versus 13.6%). Out of the seropositive animals, 10.6% had aborted during the last three years, and 37.5% had experienced problems with repeat breeding: both higher than in non-seropositive animals. In conclusion, this study indicates that coxiellosis is potentially an important cause of reproductive failures and production losses in dairy animals. The high prevalence, especially in urban areas, is a public health risk. Further research is needed to elucidate the epidemiology and identify mitigation options that could work in the different settings of different Indian states.
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spelling CGSpace1006982024-05-01T08:16:47Z Coxiella seroprevalence and risk factors in large ruminants in Bihar and Assam, India Shome, R. Deka, Ram Pratim Milesh, L. Sahay, S. Grace, Delia Lindahl, Johanna F. milk dairies zoonoses cattle epidemiology sheep goats Coxiellosis is a zoonotic disease caused by the ubiquitous bacteria Coxiella burnetii, which can be spread either through ticks or through body fluids. In humans the infection is characterized by a febrile disease; ruminants may abort and reduce their milk yield, causing serious production losses for the farmer. In India, the disease has been known to be present since the 1970s, but little is known about the epidemiology in most states. In this cross-sectional survey in the two states of Assam and Bihar, 520 households were interviewed for risk factors, and serum samples from 744 dairy animals were analyzed using ELISA as well as PCR. Out of the farms, 17.4% had at least one seropositive animal, with significantly higher seroprevalence in Bihar (27.1%) than Assam (5.8%); and significantly more sero-positive farms in urban areas (23.1%) than rural (12.2%). On an individual animal level, 14.1% were seropositive, with higher prevalence among buffaloes than cows (28.0% versus 13.6%). Out of the seropositive animals, 10.6% had aborted during the last three years, and 37.5% had experienced problems with repeat breeding: both higher than in non-seropositive animals. In conclusion, this study indicates that coxiellosis is potentially an important cause of reproductive failures and production losses in dairy animals. The high prevalence, especially in urban areas, is a public health risk. Further research is needed to elucidate the epidemiology and identify mitigation options that could work in the different settings of different Indian states. 2019-06 2019-04-05T13:59:31Z 2019-04-05T13:59:31Z Journal Article https://hdl.handle.net/10568/100698 en Limited Access Elsevier Shome, R., Deka, R.P., Milesh, L., Sahay, S., Grace, D. and Lindahl, J.F. 2019. Coxiella seroprevalence and risk factors in large ruminants in Bihar and Assam, India. Acta Tropica 194: 41–46.
spellingShingle milk
dairies
zoonoses
cattle
epidemiology
sheep
goats
Shome, R.
Deka, Ram Pratim
Milesh, L.
Sahay, S.
Grace, Delia
Lindahl, Johanna F.
Coxiella seroprevalence and risk factors in large ruminants in Bihar and Assam, India
title Coxiella seroprevalence and risk factors in large ruminants in Bihar and Assam, India
title_full Coxiella seroprevalence and risk factors in large ruminants in Bihar and Assam, India
title_fullStr Coxiella seroprevalence and risk factors in large ruminants in Bihar and Assam, India
title_full_unstemmed Coxiella seroprevalence and risk factors in large ruminants in Bihar and Assam, India
title_short Coxiella seroprevalence and risk factors in large ruminants in Bihar and Assam, India
title_sort coxiella seroprevalence and risk factors in large ruminants in bihar and assam india
topic milk
dairies
zoonoses
cattle
epidemiology
sheep
goats
url https://hdl.handle.net/10568/100698
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