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      Perfil microbiológico, celular e fatores de risco associados à mastite subclínica em cabras no semiárido da Paraíba Translated title: Cellular and microbiological profiles and risk factors for subclinical mastitis in goats in the semi-arid region of Paraíba

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          Abstract

          Foi realizado um estudo da mastite subclínica em nove rebanhos de cabras leiteiras no semiárido paraibano com o objetivo de determinar a ocorrência da infecção, avaliar o perfil microbiológico e celular do leite, testar a sensibilidade dos microorganismos isolados frente a antimicrobianos além de identificar os fatores de risco. Foram utilizadas 131 cabras leiteiras das quais foram colhidas 261 amostras de leite para exame microbiológico e 131 para contagem de células somáticas (CCS). Na ocasião das colheitas foi realizado o California Mastitis Test (CMT) e aplicado um questionário epidemiológico por propriedade. Houve crescimento bacteriano em 30 amostras (11,49%) com 25 (83,33%) dos isolados identificados como Staphylococcus coagulase negativa e cinco (16,66%) Staphylococcus aureus. A média de CCS foi de 1,39x10(6) células/ml. O CMT apresentou baixa sensibilidade (46,7%) e baixa especificidade (60,6%) quando comparado ao exame microbiológico. A gentamicina e a associação da neomicina, bacitracina e tetraciclina foram os antimicrobianos contra os quais os microrganismos isolados apresentaram 100% de sensibilidade. Penicilina e ampicilina foram os de maiores índices de resistência (66,67% e 63,89%, respectivamente). A caprinocultura não ser a atividade principal da propriedade e o não isolamento de animais doentes, foram identificados como fatores de risco para a mastite subclínica caprina nas propriedades estudadas. Programas de controle e profilaxia da mastite devem ser implementados enfocando as medidas de higiene na ordenha e correção dos fatores de risco identificados nesse estudo.

          Translated abstract

          A subclinical mastitis study was conducted in nine dairy goat herds in the semi-arid region of Paraíba state, Northeastern Brazil, to determine the occurrence of infection, to evaluate microbiological and cellular profiles of the milk, to test the sensitivity of isolated microorganisms to antimicrobials, and to identify risk factors. One hundred thirty-one dairy goats were used, 261 samples were collected for microbiological culture and 131 samples for somatic cells count (SCC). During collection, the California Mastitis Test (CMT) was conducted and an epidemiological questionnaire was applied for each herd. There was bacterial growth in 30 samples (11.49%), with 25 (83.33%) coagulase-negative Staphylococcus and five (16.66%) Staphylococcus aureus isolated. The SCC mean was 1.39x10(6) cells/ml. CMT presented low sensitivity (46.7%) and low specificity (60.6%) compared with microbiological culture. Gentamicin and the association of neomycin, bacitracin and tetracyclin were the antimicrobials against which the microorganisms isolated showed 100% sensitivity. Penicillin and ampicillin had the greatest resistance rates (66.67% and 63.89%, respectively). Goat breeding is not the main activity on the farms and do not isolate diseased animals were identified as risk factors for caprine subclinical mastitis. Program for the control and prophylaxis of mastitis must be implemented focusing primarily on hygiene cares at milking and correction of the risk factors identified in this study.

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            Designed for one/two-semester, junior/graduate-level courses in Biostatistics, Biometry, Quantitative Biology, or Statistics, the latest edition of this best-selling biostatistics text is both comprehensive and easy to read. It provides a broad and practical overview of the statistical analysis methods used by researchers to collect, summarize, analyze, and draw conclusions from biological research data. The Fourth Edition can serve as either an introduction to the discipline for beginning students or a comprehensive procedural reference for today's practitioners.
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              Antibiotic susceptibility testing by a standardized single disk method.

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                Author and article information

                Journal
                pvb
                Pesquisa Veterinária Brasileira
                Pesq. Vet. Bras.
                Colégio Brasileiro de Patologia Animal - CBPA (Rio de Janeiro, RJ, Brazil )
                0100-736X
                1678-5150
                May 2010
                : 30
                : 5
                : 379-384
                Affiliations
                [02] Recife PE orgnameUniversidade Federal Rural de Pernambuco orgdiv1Laboratório de Bacterioses Brasil
                [01] Patos PB orgnameUniversidade Federal de Campina Grande orgdiv1Centro de Saúde e Tecnologia Rural orgdiv2Unidade Acadêmica de Medicina Veterinária Brasil
                Article
                S0100-736X2010000500001 S0100-736X(10)03000501
                10.1590/S0100-736X2010000500001
                036c0329-055f-4d8c-813e-2bbbf2e6cdbd

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 21 May 2009
                : 16 December 2009
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 47, Pages: 6
                Product

                SciELO Brazil


                leite,lactocultura,Cabras,mammary gland,inflammation,bacteria,milk,milk culture,Goats,glândula mamária,inflamação,bactérias

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