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Effects of adsorbents and probiotics in mitigating simplexin poisoning effects in cattle fed Pimelea

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Loh, Z. H., Hungerford, N. L., Ouwerkerk, D., Klieve, A. V. and Fletcher, M. T. (2022) Effects of adsorbents and probiotics in mitigating simplexin poisoning effects in cattle fed Pimelea. In: Australian Association of Animal Sciences 34th Biennial Conference 2022, 5–7 July 2022, Cairns, Queensland.


Publisher URL: https://www.publish.csiro.au/AN/pdf/ANv62n11abs


Pimelea poisoning of cattle occurs only in arid inland Australia and is caused by the toxin, simplexin found in some native Pimelea plant species. Pimelea-affected cattle show distinctive physical symptoms including subcutaneous oedema under the jaw and brisket, diarrhoea and anaemia. Simplexin was thought to be circulated in the bloodstream to exert its toxic effect, but due to its hydrophobic nature the extent of its blood carriage is unknown. Fletcher et al. (2014) postulated a possible role of rumen microorganisms adapting to detoxify simplexin in cattle fed Pimelea over a prolonged period of time. Anecdotal reports have suggested cattle supplemented with biochar and bentonite showed resistance towards Pimelea poisoning. In this project, a pen trial (QAFFI/QASP/337/20/DAF) was conducted to determine the efficacy of adsorbents (biochar and bentonite) and a bacterial inoculum for reducing the effects of Pimelea poisoning in steers.

Item Type:Conference or Workshop Item (Paper)
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Business groups:Animal Science
Subjects:Plant pests and diseases > Poisonous plants
Animal culture > Cattle
Live Archive:06 Feb 2024 04:06
Last Modified:06 Feb 2024 04:06

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