Abstract

During the period 1976–1979, just over 4000 samples of animal feedstuffs comprising cereals, compound feeds, hay and silage were examined for moulds and mycotoxins. Examination was carried out in the course of routine advisory and investigational work undertaken by the Agricultural Development and Advisory Service (Ministry of Agriculture, Fisheries and Food) Microbiology Laboratories in England and Wales in connection with livestock health and production problems and defects in grain storage. Mouldy cereals, mostly invaded byPenicillium andAspergillus species, were often found contaminated with ochratoxin A (12.8% positive) and also with citrinin, sterigmatocystin and zearalenone to a lesser extent. Aflatoxin B1 was detected in barley which had been inadequately treated with propionic acid in 3 instances.

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