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      Serosurvey of Leptospirainterrogans, Brucellaabortus and Chlamydophilaabortus infection in free-ranging giant anteaters (Myrmecophaga tridactyla) from Brazil Translated title: Inquérito sorológico de Leptospira interrogans, Brucella abortus e Chlamydophila abortus em tamanduás-bandeira (Myrmecophaga tridactyla) de vida livre no Brasil.

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          Abstract

          Abstract:A serological survey for antibodies against Leptospira interrogans, Brucella abortus, and Chlamydophila abortus was conducted in 21 clinically healthy, free-ranging giant ant- eaters (Myrmecophaga tridactyla) from Parque Nacional das Emas (Goiás State, Brazil; n=6), Parque Nacional da Serra da Canastra (Minas Gerais State, Brazil; n=9), and RPPN SESC Pantanal (Mato Grosso State, Brazil; n=6) between July 2001 and September 2006. Sera were screened for antibodies against 22 serovars of Leptospira interrogans with a microscopic agglutination test. Twelve tested positive for L. interrogansserovars sentot (n=5 in PN Emas, n=2 in PN Serra da Canastra), butembo (n=2 in PN Serra da Canastra), autumnalis, bataviae, and shermani/icterohaemorrhagiae(n=1 each in SESC Pantanal)One adult female tested positive for B. abortus with the buffered plate antigen test. All sera were negative for C. abortususing the complement fixation text. This is the first report of pathogens that may interfere with the reproduction and population dynamics of free-ranging giant anteaters.

          Translated abstract

          Resumo:Inquéritos sorológicos para detecção de anticorpos contra Leptospira interrogans, Brucella abortus, e Chlamydophila abortus foram realizados em 21 tamanduás-bandeira (Myrmecophaga tridactyla) de vida livre do Parque Nacional das Emas (Goiás, Brasil, n=6), o Parque Nacional da Serra da Canastra (Minas Gerais, Brasil, n=9) e RPPN SESC Pantanal (Mato Grosso, Brasil, n=6) entre julho de 2001 e setembro de 2006. Os sor os foram testados para anticorpos contra 22 sorotipos de Leptospira interrogans com um teste de aglutinação microscópica. Doze animais foram considerados positivos para L. interrogans sorovares sentot (n=5 em PN Emas, n=2 em PN Serra da Canastra), butembo (n=2 em PN Serra da Canastra), autumnalis, bataviae e shermani/icterohaemorrhagiae(n=1 para cada sorovar em SESC Pantanal). Uma fêmea adulta testou positivo para B. abortuscom o teste do antígeno tamponado. Todos os soros se mostraram negativos para C. abortusatravés do teste de fixação do complemento. Este é o primeiro relato de patógenos que podem interferir na dinâmica reprodutiva de populações de tamanduás em estado selvagem.

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          Detecting disease and parasite threats to endangered species and ecosystems.

          Ecologists have recently begun to acknowledge the importance of disease and parasites in the dynamics of populations. Diseases and parasites have probably been responsible for a number of extinctions on islands and on large land masses, but the problem has only been identified in retrospect. In contrast, endemic pathogens and parasites may operate as keystone species, playing a crucial role in maintaining the diversity of ecological communities and ecosystems. Will recent advances in the understanding of parasite population biology allow us to predict threats to endangered species and communities?
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            Animal chlamydioses and zoonotic implications.

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              Improved microtechnique for the leptospiral microscopic agglutination test.

              A method for improving the original Galton microtechnique for detecting leptospiral antibodies has been developed. Simultaneous titrations were performed on 281 animal and human sera and 17 hyperimmune sera with the microscopic agglutination (MA) test and the improved microtechnique. Reproducibility of the improved microtechnique was determined independently on 65 animal sera by two laboratory sections. The results obtained by comparing positive test data from human and animal sera indicated that agreement between the original MA test and this new method exceeded 94%, whereas the original Galton microtechnique and the original MA test agreed in a maximum of 77% of the tests. This study indicates that the results obtained with the improved microtechnique are much more comparable to results obtained with the original MA test than are those obtained with the original Galton microtechnique.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                pvb
                Pesquisa Veterinária Brasileira
                Pesq. Vet. Bras.
                Colégio Brasileiro de Patologia Animal - CBPA (Rio de Janeiro )
                1678-5150
                May 2015
                : 35
                : 5
                : 462-465
                Affiliations
                [1 ] Projeto Tamanduá BR
                [2 ] Instituto de Medicina y Biología Experimental de Cuyo Argentina
                [3 ] BR
                [4 ] Universidade Estadual de Londrina Brazil
                [5 ] Universidade de São Paulo Brazil
                Article
                S0100-736X2015000500462
                10.1590/S0100-736X2015000500013
                451d0e7e-d29a-4b16-a783-72ffa77bf4a1

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-736X&lng=en
                Categories
                VETERINARY SCIENCES

                General veterinary medicine
                Anteaters,Myrmecophaga tridactyla,brucellosis,Brucella abortus,chlamydiosis,Chlamydophila abortus,leptospirosis,Leptospira interrogans,Pilosa,serological survey,Vermilingua,wildlife,Xenarthra.,Tamanduás,brucelose,chlamydiose,leptospirose,inquérito sorológico,animais silvestres

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