High-salinity water as a cause of salt poisoning in livestock: two case studies in Northwestern Argentina

Agustín Avellaneda-Cáceres; Diego Martín Nicolas Medina-Vallejo; Laura S. Aguirre; Gabriela Viriginia Sandoval; Singh-Ruiz Jeremias Dan; Micheloud Francisco

doi:10.30972/vet.3628206

Authors

Agustín Instituto Nacional de Tecnología Agropecuaria (INTA), Instituto de Investigación Animal del Chaco Semiárido, Centro de Investigaciones Pecuarias, Área de Investigación en Salud Animal. 2 Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) https://orcid.org/0000-0003-4744-1551
Diego Martín Nicolas Medina-Vallejo Instituto Nacional de Tecnología Agropecuaria (INTA), Instituto de Investigación Animal del Chaco Semiárido, Centro de Investigaciones Pecuarias, Área de Investigación en Salud Animal. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Universidad Católica de Salta, Facultad de Ciencias Agrarias y Veterinarias https://orcid.org/0000-0003-3080-7609
Laura S. Aguirre Instituto Nacional de Tecnología Agropecuaria (INTA), Instituto de Investigación Animal del Chaco Semiárido, Centro de Investigaciones Pecuarias, Área de Investigación en Salud Animal, Ruta Nacional Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Universidad Católica de Salta, Facultad de Ciencias Agrarias y Veterinarias https://orcid.org/0000-0001-5644-5795
Gabriela Viriginia Sandoval Instituto Nacional de Tecnología Agropecuaria (INTA), Instituto de Investigación Animal del Chaco Semiárido, Centro de Investigaciones Pecuarias, Área de Investigación en Salud Animal, Ruta Nacional Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Universidad Católica de Salta, Facultad de Ciencias Agrarias y Veterinarias https://orcid.org/0009-0004-8372-7084
Singh-Ruiz Jeremias Dan Universidad Católica de Salta, Facultad de Ciencias Agrarias y Veterinarias https://orcid.org/0009-0008-5871-8302
Micheloud Francisco Instituto Nacional de Tecnología Agropecuaria (INTA), Instituto de Investigación Animal del Chaco Semiárido, Centro de Investigaciones Pecuarias, Área de Investigación en Salud Animal, Ruta Nacional Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Universidad Católica de Salta, Facultad de Ciencias Agrarias y Veterinarias https://orcid.org/0000-0001-8709-895X

DOI:

https://doi.org/10.30972/vet.3628206

Keywords:

quality water, nervous disease, water deprivation, sodium-chloride poisoning, ruminants

Abstract

This study aims to describe two outbreaks of salt poisoning in cattle and buffalo associated with the consumption of high-salinity water in northwestern Argentina. In both cases, elevated salinity in drinking water was associated with high mortality rates. In Santiago del Estero, calves that drank from an old well with high salinity experienced a mortality rate of 38%. Similarly, in San Pedro de Jujuy, buffalo and bulls exposed to saline water sources showed mortality rates of 10.8% and 13% mortality rates, respectively. Clinical signs included dehydration, diarrhea, and marked neurological symptoms such as ataxia and seizures. Postmortem examination revealed severe dehydration and mild brain lesions characterized by spongiosis and pseudolaminar necrosis, along with generalized vascular congestion and reactive changes in the capillary walls. Biochemical analyses confirmed elevated sodium concentrations in both serum and cerebrospinal fluid (CSF), supporting the diagnosis of salt intoxication. Water samples collected from the affected sites revealed total dissolved solids and salt concentrations significantly exceeding safe thresholds, underscoring the critical importance of water quality monitoring to prevent such toxic events in livestock.

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