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Review of studies on flukicide residues in cows’ milk and their transfer to dairy products
Power, C. Sayers, Riona O'Brien, Bernadette Furey, A. Danaher, Martin Kieran, Jordan
Power, C.
Sayers, Riona
O'Brien, Bernadette
Furey, A.
Danaher, Martin
Kieran, Jordan
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2013
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ijafr_197-207.pdf
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C. Power, R. Sayers, B. O’Brien, A. Furey, M. Danaher and K. Jordan. 2013. Review of studies on flukicide residues in cows’ milk and their transfer to dairy products. Irish Journal of Agricultural and Food Research 52: 197–207
Abstract
Flukicides are widely used to treat infestations of liver fluke in dairy cattle. This could result in flukicide residues in milk if animals are improperly treated or if withdrawal periods are not properly observed. The purpose of this review is to summarise the results of studies on depletion of flukicides from milk and the transfer of flukicide residues to dairy products, if present in the milk. As the depletion of flukicide residues from milk of animals treated during lactation was relatively slow, the studies support
the view that the dry period (when milk is not being used for human consumption)
is the most suitable time for flukicide treatment. Migration of residues to product
occurred at different rates, depending on the drug in question. Generally, concentration of flukicides occurred in cheese, butter and skim milk powder. Pasteurisation or heat treatment during spray drying had no impact in reducing residues.