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      Detecção de corpos estranhos metálicos por meio de ferroscopia em rebanho bovino de leite de alta produção Translated title: Detection of metallic foreign bodies through ferroscopy in a herd yield asyptomatic dairy cattle

      research-article
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      Arquivos do Instituto Biológico
      Instituto Biológico
      Cattle, metal detector, forestomachs, Bovinos, detector de metal, pré-estômagos

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          Abstract

          Avaliou-se a presença de corpos estranhos metálicos (CEM) por meio de ferroscopia transabdominal em vacas de rebanho leiteiro de alta produção (> 9.000 kg/lactação) mantidas em estabulação livre com fornecimento de ração total através de vagão alimentador. A ocorrência de CEM nos anos de 2005 e 2006 foi, respectivamente, igual a 83,67% e 51,52%, sendo que a amperagem máxima obtida durante a realização do exame foi igual a 9,36 ± 7,54 µA em 49 vacas examinada no ano de 2005 e igual a 6,44 ± 7,54 µA em 66 vacas examinada no ano de 2006. Verificou-se que em 44% (33/75) dos animais o CEM estava localizado no retículo (entre o quinto e sétimo espaço intercostal) e que em 56% (42/75) dos animais o corpo estranho estava localizado no rúmen. Após a exclusão de possíveis outras causas desta ocorrência, concluiu-se que no rebanho examinado a presença de CEM em mais da metade dos animais deveu-se, principalmente, a falhas na manutenção do vagão alimentador.

          Translated abstract

          The presence of foreign metallic bodies through abdominal metal detector examination in high yielding dairy cattle (> 9,000 kg milk/lactation) under free-stall and TMR-feeding with a mixer wagon was evaluated. The occurrence of foreign metallic bodies in the years 2005 and 2006 was, respectively, 83.67% and 51.52%, with a maximum of amperage measured during examination of 9.36 ± 7.54 µA in 49 cows in 2005 equal to 6.44 ± 7.54 µA in 66 cows in 2006. A total of 44% (33/75) of the cows presented the foreign body in the reticulum (between the fifth and seventh intercostal space) and 56% (42/75) in the rumen. The presence of foreign metallic bodies in most of the animals of the examined herd, after exclusion of other possible causes, was due to failures in the maintenance of the mixer wagon.

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          Ultrasonography in gastrointestinal disease in cattle.

          U. Braun (2003)
          Ultrasonography is an ideal diagnostic tool for investigating gastrointestinal disorders in cattle. It is performed on standing non-sedated cattle using a 3.5 MHz linear transducer. In animals with traumatic reticuloperitonitis, inflammatory fibrinous changes, and abscesses can be imaged; however, magnets and foreign bodies are difficult to visualize because of the gas content of the reticulum. Ultrasonography can be used to assess the size, position and contents of the abomasum. Percutaneous ultrasound-guided abomasocentesis can be performed to evaluate the nature and chemical composition of its contents. In left displacement of the abomasum, the abomasum is seen between the left abdominal wall and the rumen. It contains fluid ingesta ventrally and a gas cap of varying size dorsally. Occasionally, the abomasal folds are seen in the ingesta. In cattle with right displacement of the abomasum, the liver is displaced medially from the right abdominal wall by the abomasum, which has an ultrasonographic appearance similar to that described for left displacement. Motility and diameter of the intestine are the most important criteria for ultrasonographic assessment of ileus. However, the cause of the ileus is rarely determined using ultrasonography. In cases with ileus of the small intestine, there is at least one region of dilatation of the intestine and motility is reduced or absent. In cattle with caecal dilatation, the caecum can always be imaged from the right lateral abdominal wall. The wall of the caecum closest to the transducer appears as a thick, echogenic, semi-circular line.
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            Management of peritonitis in cattle.

            Peritonitis commonly is included in a list of differential diagnoses in food animal practice. Understanding the physiology of the ruminant peritoneal cavity and its response to injury is important to institute an adequate therapeutic plan. Ancillary procedures are used often and are necessary to confirm the diagnosis and should be well-organized.
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              Die Klinische Untersuchung des Rindes

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                aib
                Arquivos do Instituto Biológico
                Arq. Inst. Biol.
                Instituto Biológico (São Paulo, SP, Brazil )
                0020-3653
                1808-1657
                September 2012
                : 79
                : 3
                : 415-417
                Affiliations
                [01] São José dos Pinhais PR orgnameUniversidade Católica do Paraná Brasil daniel.ollhoff@ 123456pucpr.br
                [02] Pirassununga SP orgnameUniversidade de São Paulo orgdiv1Faculdade de Zootecnia e Engenharia de Alimentos orgdiv2Departamento de Zootecnia Brasil
                Article
                S1808-16572012000300013
                10.1590/S1808-16572012000300013
                00f2e1de-6740-4103-a06b-4af7d818b14d

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

                History
                : 12 April 2011
                : 17 May 2012
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 18, Pages: 3
                Product

                SciELO Brazil

                Categories
                Comunicação Científica

                forestomachs,Cattle,pré-estômagos,detector de metal,Bovinos,metal detector

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