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A Survey on aflatoxin M1 content in sheep and goat milk produced in Sardinia region, Italy (2005-2013)

Virdis, Salvatore and Scarano, Christian and Spanu, Vincenzo and Murittu, Gavino and Spanu, Carlo and Ibba, Ignazio and De Santis, Enrico Pietro Luigi (2014) A Survey on aflatoxin M1 content in sheep and goat milk produced in Sardinia region, Italy (2005-2013). Italian Journal of Food Safety = Rivista dell'Associazione Italiana dei Veterinari Igienisti, Vol. 3 (4), p. 206-209. eISSN 2239-7132. Article.

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DOI: 10.4081/ijfs.2014.4517

Abstract

In the present work the results of a survey conducted in Sardinia Region on Aflatoxin M1 (AFM1) contamination in milk of small ruminants from 2005 to 2013 are reported. A total of 517 sheep and 88 goat milk samples from bulk tank, tank trucks and silo tank milk were collected. Analyses were performed by the Regional Farmers Association laboratory using high-performance liquid chromatography following the ISO 14501:1998 standard. None of the sheep milk samples analysed during 2005- 2012 showed AFM1 contamination. In sheep milk samples collected in 2013, 8 out of 172 (4.6%) were contaminated by AFM1 with a concentration (mean±SD) of 12.59±14.05 ng/L. In one bulk tank milk sample 58.82 ng/L AFM1 was detected, exceeding the EU limit. In none of goat milk samples analysed from 2010 to 2012 AFM1 was detected. In 2013, 9 out of 66 goat milk samples (13.6%) showed an AFM1 concentration of 47.21±19.58 ng/L. Two of these samples exceeded the EU limit, with concentrations of 62.09 and 138.6 ng/L. Higher contamination frequency and concentration rates were detected in bulk tank milk samples collected at farm than in bulk milk truck or silo samples, showing a dilution effect on AFM1 milk content along small ruminants supply chain. The rate and levels of AFM1 contamination in sheep and goat milk samples were lower than other countries. However, the small number of milk samples analysed for AFM1 in Sardinia Region in 2005-2013 give evidence that food business operators check programmes should be improved to ensure an adequate monitoring of AFM1 contamination in small ruminant dairy chain.

Item Type:Article
ID Code:10817
Status:Published
Refereed:Yes
Uncontrolled Keywords:Aflatoxin M1, sheep milk, goat milk, contamination, Sardinia
Subjects:Area 07 - Scienze agrarie e veterinarie > VET/04 Ispezione degli alimenti di origine animale
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Medicina Veterinaria
Publisher:AIVI
eISSN:2239-7132
Copyright Holders:© Copyright S. Virdis et al., 2014 Licensee PAGEPress, Italy
Deposited On:16 Mar 2015 16:43

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