2010
DOI: 10.1177/0300985810382513
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Outbreak of Ataxia in Pigs Associated With Consumption of Piquillín (Condalia microphylla)

Abstract: The plant piquillín (Condalia microphylla) grows in arid regions of Argentina and is the cause of mal del piquillín in cattle. The salient histologic features of this leukomyelopathy are vacuolation of white matter and axonal degeneration in the spinal cord. The histologic lesions can be experimentally reproduced in cattle and pigs by feeding milled bark of the plant, but naturally occurring piquillín toxicosis has not been reported previously in pigs. The authors report an outbreak of progressive ataxia on an… Show more

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Cited by 5 publications
(9 citation statements)
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“…Preceding experimental observations suggest that acute toxicity and growth inhibition of our extracts may be due to inhibition of a proteinase, ETH and other polyphenol oxidases (PPO) that could be bind to these type of compounds (n-alkanes) (Cespedes et al 2013) or move throughout cellular membranes and could produce white substance accumulation (deposits) in vacuoles in similar form to reported by Delgado et al (2011) andHalse et al (1993). This target has been demonstrated for other compounds of natural origin (Cespedes et al 2005;Karban and Baxter 2001;Kessler and Baldwin 2002).…”
Section: Discussionmentioning
confidence: 56%
“…Preceding experimental observations suggest that acute toxicity and growth inhibition of our extracts may be due to inhibition of a proteinase, ETH and other polyphenol oxidases (PPO) that could be bind to these type of compounds (n-alkanes) (Cespedes et al 2013) or move throughout cellular membranes and could produce white substance accumulation (deposits) in vacuoles in similar form to reported by Delgado et al (2011) andHalse et al (1993). This target has been demonstrated for other compounds of natural origin (Cespedes et al 2005;Karban and Baxter 2001;Kessler and Baldwin 2002).…”
Section: Discussionmentioning
confidence: 56%
“…Condalia microphylla es una especie de potencial interés medicinal según lo informado por . Se ha reportado actividad insecticida de los extractos de tallo y hojas y efectos tóxicos que indujeron la mortalidad de animales en el monte luego de la ingesta de ésta planta (Delgado et al, 2011;Bedotti et al, 2006). Sin embargo, sus frutos pueden constituir un recurso alimenticio de emergencia ya que existe conocimiento que los habitantes indígenas los consumían frescos desde antes de la llegada de los españoles y se consideraban reguladores naturales del tránsito intestinal Hieronymus, 1882;Guinnard, 1947).…”
Section: Alpatacounclassified
“…Hay diferentes hipótesis acerca de cuáles serían los principios activos y partes vegetativas que causan el síndrome conocido como "Mal del Piquillín" (Delgado et al, 2011;Bedotti et al, 2006). Blanco Viera et al (2000), describieron que la corteza causa efectos nocivos irreversibles en el ganado, generando inmovilidad en los miembros posteriores.…”
Section: Alpatacounclassified
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