Mycoplasma bovis-polyarthritis and pneumonia in grazing beef steers: outbreak in Buenos Aires province
Mycoplasma bovis-polyarthritis and pneumonia in grazing beef steers: outbreak in Buenos Aires province Poliartritis y neumonía por Mycoplasma bovis en novillos en pastoreo: brote en la provincia de Buenos Aires Mycoplasma spp. infection causes different clinical diseases in livestock. In cattle, inf...
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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Facultad de Agronomía y Veterinaria, Universidad Nacional de Río Cuarto
2022
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| Online Access: | http://hdl.handle.net/20.500.12123/11194 http://www.ayv.unrc.edu.ar/ojs/index.php/Ab_Intus/article/view/181 |
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| author | Acuña, Yamila Morrell, Eleonora Lidia Fiorentino, María Andrea Scioli, Valeria Sticotti, Erika Tamiozzo, Pablo Canton, German Jose |
| author_browse | Acuña, Yamila Canton, German Jose Fiorentino, María Andrea Morrell, Eleonora Lidia Scioli, Valeria Sticotti, Erika Tamiozzo, Pablo |
| author_facet | Acuña, Yamila Morrell, Eleonora Lidia Fiorentino, María Andrea Scioli, Valeria Sticotti, Erika Tamiozzo, Pablo Canton, German Jose |
| author_sort | Acuña, Yamila |
| collection | INTA Digital |
| description | Mycoplasma bovis-polyarthritis and pneumonia in grazing beef steers: outbreak in Buenos Aires province Poliartritis y neumonía por Mycoplasma bovis en novillos en pastoreo: brote en la provincia de Buenos Aires Mycoplasma spp. infection causes different clinical diseases in livestock. In cattle, infection with Mycoplasma bovis usually is clinically manifested with arthritis, mastitis, pneumonia and/or otitis. This paper describes an outbreak of polyarthritis and pneumonia caused by M. bovis in grazing steers in Buenos Aires province, scarcely reported in the region. Clinical and pathological findings were recorded. Three 1-year-old steers were euthanized and post mortem examined. Tissue samples were collected for histopathology and bacteriological analysis. Different degrees of lameness were observed in 4.6% of the herd of 1000 steers. Mild respiratory signs were observed in half of the lame animals. Macroscopically, polyarthritis was present in different joints of the hind and front limbs, characterized by the presence of severe caseous tenosynovitis. In addition, multiple foci of different extension with caseous content were observed in the pulmonary parenchyma. Mycoplasma spp. was isolated and M. bovis DNA was amplified from articular content and lungs of all three animals. This clinical presentation has not been frequently reported in the region, particularly in grazing beef cattle. |
| format | info:ar-repo/semantics/artículo |
| id | INTA11194 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2022 |
| publishDateRange | 2022 |
| publishDateSort | 2022 |
| publisher | Facultad de Agronomía y Veterinaria, Universidad Nacional de Río Cuarto |
| publisherStr | Facultad de Agronomía y Veterinaria, Universidad Nacional de Río Cuarto |
| record_format | dspace |
| spelling | INTA111942022-02-17T17:23:42Z Mycoplasma bovis-polyarthritis and pneumonia in grazing beef steers: outbreak in Buenos Aires province Poliartritis y neumonía por Mycoplasma bovis en novillos en pastoreo: brote en la provincia de Buenos Aires Acuña, Yamila Morrell, Eleonora Lidia Fiorentino, María Andrea Scioli, Valeria Sticotti, Erika Tamiozzo, Pablo Canton, German Jose Mycoplasmosis Mycoplasma Bovis Pastoreo Engorde Bovinae Argentina Mycoplasmoses Grazing Fattening Buenos Aires (Provincia) Mycoplasma bovis-polyarthritis and pneumonia in grazing beef steers: outbreak in Buenos Aires province Poliartritis y neumonía por Mycoplasma bovis en novillos en pastoreo: brote en la provincia de Buenos Aires Mycoplasma spp. infection causes different clinical diseases in livestock. In cattle, infection with Mycoplasma bovis usually is clinically manifested with arthritis, mastitis, pneumonia and/or otitis. This paper describes an outbreak of polyarthritis and pneumonia caused by M. bovis in grazing steers in Buenos Aires province, scarcely reported in the region. Clinical and pathological findings were recorded. Three 1-year-old steers were euthanized and post mortem examined. Tissue samples were collected for histopathology and bacteriological analysis. Different degrees of lameness were observed in 4.6% of the herd of 1000 steers. Mild respiratory signs were observed in half of the lame animals. Macroscopically, polyarthritis was present in different joints of the hind and front limbs, characterized by the presence of severe caseous tenosynovitis. In addition, multiple foci of different extension with caseous content were observed in the pulmonary parenchyma. Mycoplasma spp. was isolated and M. bovis DNA was amplified from articular content and lungs of all three animals. This clinical presentation has not been frequently reported in the region, particularly in grazing beef cattle. Las infecciones por Mycoplasma spp. causan diferentes cuadros clínicos en el ganado. En bovinos, la infección con Mycoplasma bovis usualmente provoca artritis, mastitis, neumonía y/u otitis. Existe escasa información sobre cuadros clínicos asociados a infecciones con Mycoplasma spp. en novillos en pastoreo en Argentina. Este trabajo describe un brote de poliartritis y neumonía causada por M. bovis en novillos en pastoreo en la provincia de Buenos Aires, escasamente reportada en la región. Se registraron los signos clínicos y hallazgos patológicos. Se realizaron necropsias a tres novillos de un año de edad. Se recolectaron tejidos para realizar estudios histopatológicos y bacteriológicos. Se registraron diferentes grados de claudicación en el 4,6% de los animales de un rodeo de 1000 novillos. Se observaron signos respiratorios leves en la mitad de los novillos que manifestaron claudicación. Macroscópicamente, se observó poliartritis en las articulaciones de los miembros delanteros y/o traseros, caracterizada por la presencia de tenosinovitis caseosa severa. Además se observaron múltiples focos de contenido caseoso en el parénquima pulmonar. Se aisló Mycoplasma spp. y se amplificó ADN de Mycoplasma bovis de todas las muestras de contenido articular y pulmón de los tres animales. Esta presentación clínica no ha sido frecuentemente reportada en la región, particularmente en bovinos de carne en pastoreo. EEA Balcarce Fil: Acuña, Yamila. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Fil: Morrell, Eleonora Lidia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Fil: Fiorentino, María Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Fil: Scioli, Valeria. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Fil: Sticotti, Erika. Universidad Nacional de Río Cuarto. Facultad de Agronomía y Veterinaria Departamento de Patología Animal; Argentina. Fil: Tamiozzo, Pablo. Universidad Nacional de Río Cuarto. Facultad de Agronomía y Veterinaria Departamento de Patología Animal; Argentina. Fil: Cantón, Germán José. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. 2022-02-17T17:03:21Z 2022-02-17T17:03:21Z 2021-12 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/11194 http://www.ayv.unrc.edu.ar/ojs/index.php/Ab_Intus/article/view/181 2618-2734 eng info:eu-repograntAgreement/INTA/2019-RIST-E5-I111-001/2019-RIST-E5-I111-001/AR./Laboratorios de Diagnóstico Veterinario info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Facultad de Agronomía y Veterinaria, Universidad Nacional de Río Cuarto Ab Intus 8 (4) : 30-36 (diciembre 2021) |
| spellingShingle | Mycoplasmosis Mycoplasma Bovis Pastoreo Engorde Bovinae Argentina Mycoplasmoses Grazing Fattening Buenos Aires (Provincia) Acuña, Yamila Morrell, Eleonora Lidia Fiorentino, María Andrea Scioli, Valeria Sticotti, Erika Tamiozzo, Pablo Canton, German Jose Mycoplasma bovis-polyarthritis and pneumonia in grazing beef steers: outbreak in Buenos Aires province |
| title | Mycoplasma bovis-polyarthritis and pneumonia in grazing beef steers: outbreak in Buenos Aires province |
| title_full | Mycoplasma bovis-polyarthritis and pneumonia in grazing beef steers: outbreak in Buenos Aires province |
| title_fullStr | Mycoplasma bovis-polyarthritis and pneumonia in grazing beef steers: outbreak in Buenos Aires province |
| title_full_unstemmed | Mycoplasma bovis-polyarthritis and pneumonia in grazing beef steers: outbreak in Buenos Aires province |
| title_short | Mycoplasma bovis-polyarthritis and pneumonia in grazing beef steers: outbreak in Buenos Aires province |
| title_sort | mycoplasma bovis polyarthritis and pneumonia in grazing beef steers outbreak in buenos aires province |
| topic | Mycoplasmosis Mycoplasma Bovis Pastoreo Engorde Bovinae Argentina Mycoplasmoses Grazing Fattening Buenos Aires (Provincia) |
| url | http://hdl.handle.net/20.500.12123/11194 http://www.ayv.unrc.edu.ar/ojs/index.php/Ab_Intus/article/view/181 |
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