AN OUTBREAK OF SWAINSONA POISONING IN HORSES |
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| Authors: | B. M. O'Sullivan, J. A. Goodwin,&dagger |
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| Affiliation: | *Animal Research Institute, Yeerongpilly, Queensland, 4105.;†Queensland Department of Primary Industries, Goondiwindi, Queensland, 4390. |
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| Abstract: | On 6 properties in south-western Queensland an outbreak of nervous disease occurred horses due to ingestion of Swainsonia (Darling pea). Loss of condition, depression, hyperaesthesia and hyperexcitability were seen in affected horses. At autopsy of 2 horses generalised c ytoplasmic vacuolation was seen in the neurones of the central nervous system and in the liver, adrenal and thyroid. The clinical and pathological features were similar to those described in horses suffering from Swainsona poisoning in Australia and Astragalus and Oxytropis in North America. |
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