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      PREVALÊNCIA DE ANTICORPOS ANTI Anaplasma marginale (RICKETTSIALES: ANAPLASMATACEAE) EM BOVINOS NA MESORREGIÃO DO MÉDIO PARAÍBA Translated title: PREVALENCE OF ANTIBODIES AGAINST Anaplasma marginale (RICKETTSIALES: ANAPLASMATACEAE) IN CATTLE IN THE "MÉDIO PARAÍBA" MESOREGION, BRAZIL

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          Abstract

          Realizou-se a pesquisa de anticorpos da classe IgG anti Anaplasma marginale através do ensaio de imunoadsorção enzimática (ELISA) indireto em 223 amostras de soros de bovinos provenientes de oito municípios da mesorregião do Médio Paraíba, estado do Rio de Janeiro. A prevalência observada foi de 98,21%. Das amostras positivas, 36,32% possuíam o título de 1:500, 43,50% com título de 1:1000, 12,56% com título de 1:2000, 3,59% com título de 1:4000, 1,79% com título de 1:8000, 0,45% com título de 1:16000 e 1,79% foram soronegativos. Procedeu-se a avaliação da prevalência por grupos etários de 1 a 3 anos (n = 53), 3 a 6 anos (n = 71) e > 6 anos (n = 99), na qual 96,23%, 100% e 97,98% dos animais foram soropositivos, respectivamente. A análise em relação à aptidão zootécnica revelou que 100% dos animais com aptidão para corte (n = 38) e 97,84% com aptidão para leite (n = 185) reagiram ao ensaio. Dos animais estudados, 183 eram fêmeas e 40 machos e, destes, 98,91% e 95,00% foram positivos, respectivamente. A análise estatística demonstrou não haver diferença significativa (P > 0,05), de prevalência, entre idades, aptidões zootécnicas e entre sexos. Houve diferença significativa (P < 0,0001) de soropositivos entre os municípios. A região foi caracterizada como uma área de estabilidade enzoótica para A. marginale.

          Translated abstract

          Serumprevalence of antibodies against Anaplasma marginale were studied by the indirect Enzyme-Linked Immunosorbent Assay (ELISA). Sera samples from 223 bovines of eight municipalities in the "Médio Paraíba" mesorregion, in the state of Rio de Janeiro state, were analysed. The prevalence showed 98.21% of positives, of which were: 36.32% with a titre of 1:500, 43.50% of 1:1000, 12.56% of 1:2000, 3.59% of 1:4000, 1.79% of 1:8000, 0.45% of 1:16000, and 1.79% were negative. The evaluation was done within three age groups: 1 to 3 years (n = 53), 3 to 6 years (n = 71) and > 6 years (n = 99), of which 96.23%, 100% and 97.98% were positive, respectively. Regarding to the breed, 100% of beef cattle (n = 38) and 97.84% of dairy cattle (n = 185), were positive. According to the sex, 98.91% of the females (n = 183) and 95.00% of the males (n = 40), were positive. There were no significant differences (P > 0.05) between the prevalence of age groups, breeding types and sexes. There were significant differences (P < 0.0001) among the serumprevalence in the municipalities. The region was characterized as an enzootically stable area to A. marginale.

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          Doenças parasitárias dos bovinos de leite

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            Território

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              Manual of Tropical Veterinary Parasitology

              P.C. Morel (1989)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                cr
                Ciência Rural
                Cienc. Rural
                Universidade Federal de Santa Maria (Santa Maria )
                1678-4596
                April 2001
                : 31
                : 2
                : 309-314
                Affiliations
                [1 ] Universidade Federal Rural do Rio de Janeiro Brazil
                [2 ] Embrapa
                [3 ] Universidade Federal Rural do Rio de Janeiro Brazil
                Article
                S0103-84782001000200019
                10.1590/S0103-84782001000200019
                26763b20-338d-4d03-935f-c5c3d8e7bc60

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

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0103-8478&lng=en
                Categories
                AGRONOMY

                Horticulture
                bovine anaplasmosis,"Médio Paraíba" mesoregion,Anaplasma marginale,soroprevalência,anaplasmose bovina,mesorregião do Médio Paraíba,seroprevalence

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