Seroprevalence and risk factors for brucellosis in small ruminant flocks in Karnataka in the Southern Province of India

Background and Aim: Brucellosis is a zoonotic disease of high economic and public health importance in large and small ruminant populations worldwide. A cross-sectional study was conducted to determine the seroprevalence and risk factors of brucellosis in small ruminants in organized farms in the so...

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Autores principales:	Krithiga Natesan, Triveni Kalleshamurthy, Mangadevi Nookala, Chaitra Yadav, Nagalingam Mohandoss, Somy Skariah, Swati Sahay, Bibek Ranjan Shome, Obli Rajendran Vinodh Kumar, Habibur Rahman, Rajeswari Shome
Formato:	article
Lenguaje:	EN
Publicado:	Veterinary World 2021
Materias:	brucellosis goats india risk factors sheep seroprevalence Animal culture SF1-1100 Veterinary medicine SF600-1100
Acceso en línea:	https://doaj.org/article/27e35c247ef040828007276aeffb9892
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spelling	oai:doaj.org-article:27e35c247ef040828007276aeffb98922021-11-09T05:57:45ZSeroprevalence and risk factors for brucellosis in small ruminant flocks in Karnataka in the Southern Province of India10.14202/vetworld.2021.2855-28620972-89882231-0916https://doaj.org/article/27e35c247ef040828007276aeffb98922021-11-01T00:00:00Zhttp://www.veterinaryworld.org/Vol.14/November-2021/3.pdfhttps://doaj.org/toc/0972-8988https://doaj.org/toc/2231-0916Background and Aim: Brucellosis is a zoonotic disease of high economic and public health importance in large and small ruminant populations worldwide. A cross-sectional study was conducted to determine the seroprevalence and risk factors of brucellosis in small ruminants in organized farms in the southern region of India. Materials and Methods: Farms exclusively rearing sheep and goats were selected based on the number of animals (small, medium, or large) and the location of the farm (urban, periurban, or rural). A total of 1499 serum samples; 1001 from sheeps and 498 from goats were sourced from six sheep and four goat farms and tested using Rose Bengal Plate and indirect Enzyme-Linked Immunosorbent Assay tests. Results: The apparent prevalence of brucellosis was higher in sheep (8.29%, 95% CI 6.7-10.1) than goats (5.82%, 95% CI 4.0-8.2). The true adjusted population level seroprevalence was also higher in sheep, at 7.7% (95% CI 6.0-9.6) than in goats, at 5.1% (95% CI 3.2-7.6). According to bivariate categorical analysis, six highly significant (p<0.001) animal- and farm-level risk factors for sheep were age, breed, number of lambings, history of abortion, rural farms, and presence of dogs on the farm. In goats, five significant risk factors were found: History of abortion, separate sheds, dogs on the farm, weekly veterinary consultation, and lack of brucellosis awareness. In a logistic regression model, abortion (OR adjusted 10.8, 95% CI 1.2-96.12), rural farms (OR adjusted 8.5, 95% CI 3.6-20.0), and absence of separate sheds on the farms (OR 1.9, 95% CI 1.1- 3.5) were found to be significant risk factors for ovine brucellosis. Conclusion: The use of complementary measures to tackle the multiple animal- and farm-level risk factors may help to reduce the disease burden in the absence of a vaccination policy for small ruminants in India.Krithiga NatesanTriveni KalleshamurthyMangadevi NookalaChaitra YadavNagalingam MohandossSomy SkariahSwati SahayBibek Ranjan ShomeObli Rajendran Vinodh KumarHabibur RahmanRajeswari ShomeVeterinary Worldarticlebrucellosisgoatsindiarisk factorssheepseroprevalenceAnimal cultureSF1-1100Veterinary medicineSF600-1100ENVeterinary World, Vol 14, Iss 11, Pp 2855-2862 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	brucellosis goats india risk factors sheep seroprevalence Animal culture SF1-1100 Veterinary medicine SF600-1100
spellingShingle	brucellosis goats india risk factors sheep seroprevalence Animal culture SF1-1100 Veterinary medicine SF600-1100 Krithiga Natesan Triveni Kalleshamurthy Mangadevi Nookala Chaitra Yadav Nagalingam Mohandoss Somy Skariah Swati Sahay Bibek Ranjan Shome Obli Rajendran Vinodh Kumar Habibur Rahman Rajeswari Shome Seroprevalence and risk factors for brucellosis in small ruminant flocks in Karnataka in the Southern Province of India
description	Background and Aim: Brucellosis is a zoonotic disease of high economic and public health importance in large and small ruminant populations worldwide. A cross-sectional study was conducted to determine the seroprevalence and risk factors of brucellosis in small ruminants in organized farms in the southern region of India. Materials and Methods: Farms exclusively rearing sheep and goats were selected based on the number of animals (small, medium, or large) and the location of the farm (urban, periurban, or rural). A total of 1499 serum samples; 1001 from sheeps and 498 from goats were sourced from six sheep and four goat farms and tested using Rose Bengal Plate and indirect Enzyme-Linked Immunosorbent Assay tests. Results: The apparent prevalence of brucellosis was higher in sheep (8.29%, 95% CI 6.7-10.1) than goats (5.82%, 95% CI 4.0-8.2). The true adjusted population level seroprevalence was also higher in sheep, at 7.7% (95% CI 6.0-9.6) than in goats, at 5.1% (95% CI 3.2-7.6). According to bivariate categorical analysis, six highly significant (p<0.001) animal- and farm-level risk factors for sheep were age, breed, number of lambings, history of abortion, rural farms, and presence of dogs on the farm. In goats, five significant risk factors were found: History of abortion, separate sheds, dogs on the farm, weekly veterinary consultation, and lack of brucellosis awareness. In a logistic regression model, abortion (OR adjusted 10.8, 95% CI 1.2-96.12), rural farms (OR adjusted 8.5, 95% CI 3.6-20.0), and absence of separate sheds on the farms (OR 1.9, 95% CI 1.1- 3.5) were found to be significant risk factors for ovine brucellosis. Conclusion: The use of complementary measures to tackle the multiple animal- and farm-level risk factors may help to reduce the disease burden in the absence of a vaccination policy for small ruminants in India.
format	article
author	Krithiga Natesan Triveni Kalleshamurthy Mangadevi Nookala Chaitra Yadav Nagalingam Mohandoss Somy Skariah Swati Sahay Bibek Ranjan Shome Obli Rajendran Vinodh Kumar Habibur Rahman Rajeswari Shome
author_facet	Krithiga Natesan Triveni Kalleshamurthy Mangadevi Nookala Chaitra Yadav Nagalingam Mohandoss Somy Skariah Swati Sahay Bibek Ranjan Shome Obli Rajendran Vinodh Kumar Habibur Rahman Rajeswari Shome
author_sort	Krithiga Natesan
title	Seroprevalence and risk factors for brucellosis in small ruminant flocks in Karnataka in the Southern Province of India
title_short	Seroprevalence and risk factors for brucellosis in small ruminant flocks in Karnataka in the Southern Province of India
title_full	Seroprevalence and risk factors for brucellosis in small ruminant flocks in Karnataka in the Southern Province of India
title_fullStr	Seroprevalence and risk factors for brucellosis in small ruminant flocks in Karnataka in the Southern Province of India
title_full_unstemmed	Seroprevalence and risk factors for brucellosis in small ruminant flocks in Karnataka in the Southern Province of India
title_sort	seroprevalence and risk factors for brucellosis in small ruminant flocks in karnataka in the southern province of india
publisher	Veterinary World
publishDate	2021
url	https://doaj.org/article/27e35c247ef040828007276aeffb9892
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Seroprevalence and risk factors for brucellosis in small ruminant flocks in Karnataka in the Southern Province of India

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