Dystocia and stillbirth in beef cattle with subclinical hypomagnesemia: a case study
We describe the occurrence of dystocia and stillbirths in Brangus and Aberdeen Angus cows and heifers within the context of mineral deficiencies in a beef farm located in Buenos Aires province, Argentina. Water, forage, and blood samples were collected for chemical, serology, and mineral quantificat...
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| Formato: | Artículo revista |
| Lenguaje: | Español |
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Universidad Nacional del Nordeste
2025
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| Acceso en línea: | https://revistas.unne.edu.ar/index.php/vet/article/view/8089 |
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I48-R154-article-8089 |
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ojs |
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Universidad Nacional del Nordeste |
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I-48 |
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R-154 |
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Revistas UNNE - Universidad Nacional del Noroeste (UNNE) |
| language |
Español |
| format |
Artículo revista |
| topic |
languid calving perinatal deaths mineral deficiencies mineral supplementation partos lánguidos muertes perinatales deficiencias minerales suplementación mineral |
| spellingShingle |
languid calving perinatal deaths mineral deficiencies mineral supplementation partos lánguidos muertes perinatales deficiencias minerales suplementación mineral Sosa, E. Miqueo, E. Mejía, M. Fernández, E. Fernández Tovo, M. Cruz, M. Campero, L. M. Moore, D. P. Morrell, E. Cantón, G. J. Dystocia and stillbirth in beef cattle with subclinical hypomagnesemia: a case study |
| topic_facet |
languid calving perinatal deaths mineral deficiencies mineral supplementation partos lánguidos muertes perinatales deficiencias minerales suplementación mineral |
| author |
Sosa, E. Miqueo, E. Mejía, M. Fernández, E. Fernández Tovo, M. Cruz, M. Campero, L. M. Moore, D. P. Morrell, E. Cantón, G. J. |
| author_facet |
Sosa, E. Miqueo, E. Mejía, M. Fernández, E. Fernández Tovo, M. Cruz, M. Campero, L. M. Moore, D. P. Morrell, E. Cantón, G. J. |
| author_sort |
Sosa, E. |
| title |
Dystocia and stillbirth in beef cattle with subclinical hypomagnesemia: a case study |
| title_short |
Dystocia and stillbirth in beef cattle with subclinical hypomagnesemia: a case study |
| title_full |
Dystocia and stillbirth in beef cattle with subclinical hypomagnesemia: a case study |
| title_fullStr |
Dystocia and stillbirth in beef cattle with subclinical hypomagnesemia: a case study |
| title_full_unstemmed |
Dystocia and stillbirth in beef cattle with subclinical hypomagnesemia: a case study |
| title_sort |
dystocia and stillbirth in beef cattle with subclinical hypomagnesemia: a case study |
| description |
We describe the occurrence of dystocia and stillbirths in Brangus and Aberdeen Angus cows and heifers within the context of mineral deficiencies in a beef farm located in Buenos Aires province, Argentina. Water, forage, and blood samples were collected for chemical, serology, and mineral quantification, respectively. Birth weight, sex and presentation of calves were monitored at birth, and calving ease was evaluated. A stillborn Aberdeen Angus female was examined postmortem. The occurrence of dystocia and subsequent stillbirths was recorded in 6.11% (32 out of 523) of dams with subclinical hypomagnesemia. During calving, dystocic animals exhibited prolonged labor, stillbirths, and delivery assistance. No difference in birth weight was registered between dystocic and eutocic births. A postmortem examination of a stillborn calf revealed low hepatic copper concentrations and congenital Neospora caninum infection. However, no histopathological findings consistent with N. caninum infection were observed, confirming only the congenital infection. Maternal hematological analyses indicated suboptimal levels of calcium, magnesium, and copper. Mineral supplementation with MgCl2 + MgO reduced the likelihood of dystocic calvings in cows. Additionally, non-infectious causes of perinatal deaths were serologically identified in the dams. Dietary analysis showed no mineral-interfering factors. While dystocia is common, its association with mineral deficiencies is likely underreported. Further research is needed to better understand and mitigate the negative impact of mineral deficiencies on the sustainability of beef production systems in the region. |
| publisher |
Universidad Nacional del Nordeste |
| publishDate |
2025 |
| url |
https://revistas.unne.edu.ar/index.php/vet/article/view/8089 |
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I48-R154-article-80892025-02-12T21:58:08Z Dystocia and stillbirth in beef cattle with subclinical hypomagnesemia: a case study Distocias y natimortos en bovinos para carne con hipomagnesemia subclínica Sosa, E. Miqueo, E. Mejía, M. Fernández, E. Fernández Tovo, M. Cruz, M. Campero, L. M. Moore, D. P. Morrell, E. Cantón, G. J. languid calving perinatal deaths mineral deficiencies mineral supplementation partos lánguidos muertes perinatales deficiencias minerales suplementación mineral We describe the occurrence of dystocia and stillbirths in Brangus and Aberdeen Angus cows and heifers within the context of mineral deficiencies in a beef farm located in Buenos Aires province, Argentina. Water, forage, and blood samples were collected for chemical, serology, and mineral quantification, respectively. Birth weight, sex and presentation of calves were monitored at birth, and calving ease was evaluated. A stillborn Aberdeen Angus female was examined postmortem. The occurrence of dystocia and subsequent stillbirths was recorded in 6.11% (32 out of 523) of dams with subclinical hypomagnesemia. During calving, dystocic animals exhibited prolonged labor, stillbirths, and delivery assistance. No difference in birth weight was registered between dystocic and eutocic births. A postmortem examination of a stillborn calf revealed low hepatic copper concentrations and congenital Neospora caninum infection. However, no histopathological findings consistent with N. caninum infection were observed, confirming only the congenital infection. Maternal hematological analyses indicated suboptimal levels of calcium, magnesium, and copper. Mineral supplementation with MgCl2 + MgO reduced the likelihood of dystocic calvings in cows. Additionally, non-infectious causes of perinatal deaths were serologically identified in the dams. Dietary analysis showed no mineral-interfering factors. While dystocia is common, its association with mineral deficiencies is likely underreported. Further research is needed to better understand and mitigate the negative impact of mineral deficiencies on the sustainability of beef production systems in the region. Describimos la ocurrencia de distocias y natimortos en vacas y vaquillas Brangus y Aberdeen Angus en el contexto de deficiencias minerales, en un establecimiento situado en la provincia de Buenos Aires, Argentina. Se recolectaron muestras de agua y forraje, así como sangre de madres, para estudios bioquímicos y serológicos, respectivamente. Se analizó el peso al nacer, sexo y presentación de los terneros al nacer, y se evaluó la facilidad de parto. Un natimorto Aberdeen Angus hembra fue examinado post mortem. La aparición de distocia y natimortos posteriores se registró en el 6,11% (32 de 523) de las madres con hipomagnesemia subclínica. Durante el parto, los animales distócicos exhibieron trabajo de partos prolongados, natimortos y asistencia en el parto. Todos los natimortos tuvieron buena presentación. No se registró diferencia en el peso al nacer entre los nacimientos distócicos y eutócicos. La necropsia de un natimorto reveló bajas concentraciones de cobre hepático e infección congénita por Neospora caninum. Sin embargo, no se observaron hallazgos histopatológicos compatibles con la infección por N. caninum, lo que confirma solo la infección congénita. Los análisis hematológicos maternos indicaron niveles subóptimos de Ca, Mg y Cu. La suplementación mineral con MgCl2 + MgO redujo la probabilidad de partos distócicos en las vacas. Además, no se identificaron serológicamente causas infecciosas de muertes perinatales en las vacas. El análisis dietético no mostró factores que interfirieran con los minerales. Si bien la distocia es común, es probable que su asociación con deficiencias minerales esté pobremente reportada. Se necesitan más investigaciones para comprender mejor y mitigar el impacto negativo de las deficiencias minerales en la sostenibilidad de los sistemas de producción de carne de la región. Universidad Nacional del Nordeste 2025-02-12 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.unne.edu.ar/index.php/vet/article/view/8089 10.30972/vet.3618089 Revista Veterinaria; Vol. 36 Núm. 1 (2025); 1-9 1669-6840 1668-4834 spa https://revistas.unne.edu.ar/index.php/vet/article/view/8089/7623 https://creativecommons.org/licenses/by-nc/4.0 |