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Influence of individual or group housing of newborn calves on rotavirus and coronavirus infection during the first 2 months of life.
Bertoni, E A; Bok, M; Vega, C; Martinez, G M; Cimino, R; Parreño, V.
Afiliación
  • Bertoni EA; Área de Investigación en Salud Animal, Instituto de Investigación Animal del Chaco Semiárido, INTA, RN 68 km 172., Postal code 4403, Salta, Cerrillos, Argentina. bertoni.emiliano@inta.gob.ar.
  • Bok M; INCUINTA. Instituto de Virologia e Tecnológicas, IVIT. CICV y A. Instituto Nacional de Tecnología Agropecuaria (INTA). Unidad ejecutora INTA-CONICET, Nicolas Repetto y de los Reseros s/n., Postal code 1686, Buenos Aires, Argentina.
  • Vega C; INCUINTA. Instituto de Virologia e Tecnológicas, IVIT. CICV y A. Instituto Nacional de Tecnología Agropecuaria (INTA). Unidad ejecutora INTA-CONICET, Nicolas Repetto y de los Reseros s/n., Postal code 1686, Buenos Aires, Argentina.
  • Martinez GM; Área de Producción Animal, INTA EEA, Salta, Argentina.
  • Cimino R; Cátedra de Química Biológica, Facultad de Ciencias Naturales, UNSA, Salta, Argentina.
  • Parreño V; INCUINTA. Instituto de Virologia e Tecnológicas, IVIT. CICV y A. Instituto Nacional de Tecnología Agropecuaria (INTA). Unidad ejecutora INTA-CONICET, Nicolas Repetto y de los Reseros s/n., Postal code 1686, Buenos Aires, Argentina. parreno.viviana@inta.gob.ar.
Trop Anim Health Prod ; 53(1): 62, 2021 Jan 03.
Article en En | MEDLINE | ID: mdl-33389254
Bovine rotavirus A (RVA) and bovine coronavirus (CoV) are the two main viral enteropathogens associated with neonatal calf diarrhea. The aim of the present work was to study the impact of group and individual housing systems in the epidemiology of RVA and CoV infection. Eleven calves reared in individual housing (FA) and nine calves in group housing (FB) were monitored during the first 7 weeks of life. Stool and serum samples were screened for RVA and CoV antigens by ELISA. IgG1 antibodies (Ab) to both antigens were also measured. From the 160 fecal samples collected, the proportion of positive samples to RVA and CoV was significantly higher in FB (23.6%) than in FA (9%) (p = 0.03). The geometric mean of colostral IgG1 Ab titers to CoV and RVA in FA (IgG1 anti-CoV 1024 and anti-RVA 1782.9) was lower than in FB (IgG1 anti-CoV 10,321.2 and anti-RVA 4096) at birth. Calves less than 2 weeks of life from FB had a higher risk of being infected by RVA (OR = 4.9; p = 0.01) and CoV (OR = 17.15; p = 0.01) than calves from FA. The obtained results showed that there was higher RVA and CoV shedding in group-housed calves than in individual-housed animals.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Infecciones por Rotavirus / Enfermedades de los Bovinos / Infecciones por Coronavirus / Vivienda para Animales Tipo de estudio: Observational_studies / Risk_factors_studies Límite: Animals / Pregnancy País/Región como asunto: America do sul / Argentina Idioma: En Revista: Trop Anim Health Prod Año: 2021 Tipo del documento: Article País de afiliación: Argentina Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Infecciones por Rotavirus / Enfermedades de los Bovinos / Infecciones por Coronavirus / Vivienda para Animales Tipo de estudio: Observational_studies / Risk_factors_studies Límite: Animals / Pregnancy País/Región como asunto: America do sul / Argentina Idioma: En Revista: Trop Anim Health Prod Año: 2021 Tipo del documento: Article País de afiliación: Argentina Pais de publicación: Estados Unidos