Izvorni znanstveni članak
OCCURRANCE OF GENETICALLY MODIFIED CROPS IN ANIMAL FEEDINGSTUFFS IN POLAND
Zbigniew Sieradzki
; National Veterinary Research Institute, Pulawy, Poland
Małgorzata Mazur
; National Veterinary Research Institute, Pulawy, Poland
Krzysztof Kwiatek
; National Veterinary Research Institute, Pulawy, Poland
Sažetak
The aim of this study was to detect, identify, and quantify genetically modified (GM) crops by DNA analyses in feed used for animal feeding in Poland. This approach was based on PCR and Real Time PCR techniques and was applied to official genetically modified feed control in the National Veterinary Research Institute in Pulawy. Within six years studies (2004-2009) in 231 (66%) samples, out of 350 samples of compound feed and feed materials, genetically modified soybean, maize or rapeseed were found. The highest GMO content was found in soybean meal samples and compound feed which consisted of soybean meal. Among 135 analyzed soybean meal samples in 127 (94%) of them GM soya GTS 40-3-2 was present. As regards compound feed samples, GM soya was identified in 93 (83%) samples out of all 112 samples. The presence of GM maize was rare. Only in 11 (11%) samples, out of all 98 samples of maize, GM maize varieties were found (10 x MON810, 2 x Bt11, 2 x T25). Moreover analyses of 112 compound feed samples indicated that, 16 of them contained Mon810, 4 samples Bt11 and 3 samples T25 GM maize varieties. As regards rapeseed analysis in 5 checked rapeseed samples there were no GM varieties. Another study focused only on GM rapeseed, provided for us independently by official feed control, proved previous results. Out of 100 samples only in 2 of them LibertylinkTM rape was present in the amount below limit of quantification (LOQ) of our method. Achieved results of feed samples analyses indicate that the use of GM soya is common in animal feeding in Poland as main source of protein. The usage of GM maize is low, but mainly MON810 maize was found this variety is grown in Europe. As regards rapeseed there were very few GM rape seed positive samples.
Ključne riječi
genetically modified crops; DNK analyses; Poland
Hrčak ID:
66741
URI
Datum izdavanja:
20.12.2010.
Posjeta: 933 *