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Silage and total mixed ration hygienic quality on commercial farms: Implications for animal production

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)601-613
Number of pages13
JournalGrass and Forage Science
Volume72
Issue number4
Early online date11 Nov 2016
DOIs
DateAccepted/In press - 3 Oct 2016
DateE-pub ahead of print - 11 Nov 2016
DatePublished (current) - Dec 2017

Abstract

Implications of silage hygienic quality for animal production were investigated on forty-five dairy farms in South West England. Samples of grass and maize silages and of total mixed rations (TMR) were obtained together with information on silage technology, herd size and animal production. Samples were analysed for mycotoxins, bacteria, yeasts, moulds and chemical composition. Thirteen mycotoxins were assayed, but none were detected in the samples of grass silage. However, mycotoxins were found in 0·9 of all maize and other silage samples, with deoxynivalenol and zearalenone predominating. There was no relationship between total mycotoxin concentration and mean lactation milk yield per cow. Enterobacteria counts tended to be higher in maize silage than in grass silage and higher still in TMR - a cause for concern. There were no relationships between mould counts and mycotoxin concentrations in silages, implying that mycotoxins may have been produced in the field pre-ensiling.

    Research areas

  • Bacteria, Composition, Moulds, Mycotoxins, Silage, Total mixed ration, Yeasts

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  • Full-text PDF (accepted author manuscript)

    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via Wiley at http://onlinelibrary.wiley.com/doi/10.1111/gfs.12265/abstract Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 526 KB, PDF document

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