Occurrence of Animal-Origin Constituents in Feeds

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The aim of the study was to gather and analyse available data concerning the presence of terrestrial animal constituents in feeds in Poland. A microscopic method of identification of the contaminants was used. Between 2012 and 2013, overall 16 139 samples of feeds were analysed, from which 282 (1.75%) contained elements from terrestrial animals. The percentage of feeds contaminated with such elements was lower in 2013. In 2012, among 8 499 samples analysed, 203 (2.39%) contained ingredients of animal origin, and in 2013, the elements were found in 79 (1.03%) out of 7640 samples. The percentage of feed samples positive for processed animal protein was relatively low and steadily decreasing. Furthermore, the microscopic method demonstrated to be a very sensitive technique for the detection of constituents of animal origin.

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Bulletin of the Veterinary Institute in Pulawy

The Journal of National Veterinary Research Institute in Pulawy

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