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Rejection by pigs of mouldy grain containing deoxynivalenol

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Moore, C.J., Blaney, B.J., Spencer, R.A. and Dodman, R.L. (1985) Rejection by pigs of mouldy grain containing deoxynivalenol. Australian Veterinary Journal, 62 (2). pp. 60-62.


Article Link: http://dx.doi.org/10.1111/j.1751-0813.1985.tb14237...

Publisher URL: http://www3.interscience.wiley.com/cgi-bin/home


Weaner pigs on a farm near Beaudesert in south eastern Queensland refused to eat feed comprised largely of wheat and barley. Older pigs consumed small amounts and some prepubertal gilts subsequently displayed enlarged and reddened vulvas. Wheat, barley and triticale were grown on the farm during 1983, which was unusually and persistently wet. The wheat and triticale were harvested and stored for about 3 weeks with moisture contents above 14% before being fed. Samples of the wheat and triticale contained pale pink grains, which can indicate infection by the fungus Fusariurn grarninearurn Schw.

On analysis 2 mycotoxins known to be produced by F. graminearurn were detected, deoxynivalenol (vomitoxin) which causes feed refusal and vomiting, and zearalenone which causes oestrogenic effects. Concentrations of deoxynivalenol in the wheat, triticale and barley were 34, 10, and <0.1 mg/kg respectively. Concentrations of zearalenone were 6.2, 2.8 and 0.1 mg/kg respectively. Subsequently, F. grarninearurn was isolated from grains and crop residues. Although the wet weather contributed to F. grarninearurn infection of the crops before harvest, most of the toxins probably developed during storage.

Item Type:Article
Corporate Creators:Biosecurity Queensland
Additional Information:Reproduced with permission from the © Australian Veterinary Journal. Access to published version may be available via Publisher’s website.
Keywords:Weather damage; mould growth; mycotoxin contamination; pigs.
Subjects:Science > Botany > Cryptogams
Veterinary medicine > Diseases of special classes of animals > Swine
Plant culture > Field crops > Grain. Cereals
Plant pests and diseases > Individual or types of plants or trees
Animal culture > Feeds and feeding. Animal nutrition
Live Archive:24 Jan 2006
Last Modified:03 Sep 2021 16:47

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