Article Text

Solanum malacoxylon toxicity to pigs
  1. BE Rucksan,
  2. GA Wells and
  3. G Lewis

Abstract

Newly weaned pigs were given Solanum malacoxylon at dose rates of 0.2 and 1.0 g per kg body-weight per week for eight weeks. The Solanum malacoxylon was given either as an aqueous extract (SM) or as an aqueous extract incubated with fresh rumen liquor (SMLR). Tubulonephrosis, dose related in severity, was evident in all treated pigs and focal calcification in kidney and lung occurred in pigs receiving the higher dose rate. There was a marked hypercalcaemia and hypophosphataemia over the trial period; the latter feature was in contrast with the hyperphosphataemia produced in sheep. Incubation of SM with rumen liquor enhanced hypophosphataemia at both dose levels in the pig but its effect on serum calcium was equivocal.

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