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Uptake of polychlorinated dibenzo-p-dioxins and dibenzofurans in laying ducks.
Uptake of polychlorinated dibenzo-p-dioxins and dibenzofurans in laying ducks.
- Source :
- Journal of Environmental Science & Health. Part A. Toxic/Hazardous Substances & Environmental Engineering; Jul2009, Vol. 44 Issue 8, p799-807, 9p, 6 Charts, 7 Graphs
- Publication Year :
- 2009
-
Abstract
- Uptake of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in laying ducks was determined at different degree of feed contamination. To observe the extent of the transfer of 17 PCDD/Fs from feed to the duck eggs and duck meat, 18 ducks were divided into 3 groups (6 in each group) and fed feed with two different levels of PCDD/Fs. As a control, one group of ducks was fed with the non-contaminated feed for comparison, while the other 2 groups were exposed to the feed doped with EAF dusts (fly ash). The experiment lasted for 60 days, with an exposure duration of 41 days and the subsequent non-contaminated feed being given for an additional 19 days. PCDD/F levels in the eggs of the all 3 groups were observed to increase significantly on the 15th day. For the low contaminated group, PCDD/F levels reached 2.61 pg WHO-TEQ/g lipid at day 41, whereas those of the high contaminated group accounted exceeded 3 pg/g lipid on the 15th day. Furthermore, PCDD/Fs levels in the duck meat were analyzed before and after exposure duration, and at the end of the experiment. The results showed that the level of PCDD/F in the duck eggs and the duck meat may reach unacceptable levels due to the effect of accumulation, although the PCDD/Fs in the duck feed were at acceptable levels. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10934529
- Volume :
- 44
- Issue :
- 8
- Database :
- Complementary Index
- Journal :
- Journal of Environmental Science & Health. Part A. Toxic/Hazardous Substances & Environmental Engineering
- Publication Type :
- Academic Journal
- Accession number :
- 40627748
- Full Text :
- https://doi.org/10.1080/10934520902928644