2015
DOI: 10.1515/ijafr-2015-0010
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Mycotoxin occurrence on baled and pit silages collected in Co. Meath

Abstract: Recent studies of baled silages produced in Ireland have identified considerable filamentous fungal contamination. Many of these fungi are toxigenic, capable of producing secondary metabolites, namely mycotoxins. Mycotoxins are potentially detrimental to livestock health and some can pose a risk to consumers of animal products. Baled (n=20) and pit (n=18) silages from a sample of farms (n=38)

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Cited by 5 publications
(4 citation statements)
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“…While these results are lower than the guidance values, long-term persistent exposure may lead to losses in yield alongside other chronic toxicities in animals [ 39 ]. This low prevalence could be accounted for by the complete absence of this mycotoxin in forages as corroborated by other studies [ 37 , 38 , 39 , 40 , 41 , 42 ], possibly due to most of the OTA producers’ inability to tolerate high acetic acid concentrations characteristic of ensilaging or grass/hay bailing preservative processes [ 43 ]. Furthermore, the fact that OTA production largely occurs in species-specific temperatures ranges of 25 to 37 °C and associated lower water activity (below ≈ 0.84) [ 44 ], can also account for the comparative absence of this mycotoxin in the Limpopo samples vs. Free State samples.…”
Section: Resultssupporting
confidence: 63%
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“…While these results are lower than the guidance values, long-term persistent exposure may lead to losses in yield alongside other chronic toxicities in animals [ 39 ]. This low prevalence could be accounted for by the complete absence of this mycotoxin in forages as corroborated by other studies [ 37 , 38 , 39 , 40 , 41 , 42 ], possibly due to most of the OTA producers’ inability to tolerate high acetic acid concentrations characteristic of ensilaging or grass/hay bailing preservative processes [ 43 ]. Furthermore, the fact that OTA production largely occurs in species-specific temperatures ranges of 25 to 37 °C and associated lower water activity (below ≈ 0.84) [ 44 ], can also account for the comparative absence of this mycotoxin in the Limpopo samples vs. Free State samples.…”
Section: Resultssupporting
confidence: 63%
“…Sample preparation for the quantitative LC-MS/MS analysis was done in accordance to a quantitative method validated for the determination of mycotoxins in animal feeds as described by Monbaliu et al [ 41 ]. Briefly, 5 g of all unknown samples and blank samples were weighed into 50 mL falcon tubes for extraction.…”
Section: Methodsmentioning
confidence: 99%
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“…ROQ-C is a typical mycotoxin for Northern and Western European countries. It is frequently found in grass silages ( 96 ). A concentration of 25,000 μg kg −1 has no toxicological effect on sheep ( 97 ).…”
Section: Resultsmentioning
confidence: 99%