Declining levels of PCB, HCB and p,p'-DDE in adipose tissue from food producing bovines and swine in Sweden 1991-2004

Chemosphere
Anders GlynnIngrid Nordlander

Abstract

The official control programme for organochlorine (OC) contaminants in food producing animals in Sweden was used to study temporal and spatial trends of the polychlorinated biphenyl CB 153, hexachlorobenzene (HCB) and p,p'-DDE in adipose tissue from bovines and swine 1991-2004. Our results show that efforts to decrease OC contamination of animal feed and the environment have had a positive impact on the contamination of the animal production. OC concentrations declined significantly in almost all studied regions of Sweden. OC temporal trends were slower in bovines (6-8% per year) than in swine (10-12%). Power analyses showed that data from more than 10 years of sampling were needed for a detection of an annual OC level change of 5% in both species in the control programme, due to large within- and between-year variation in OC levels. CB 153 and p,p'-DDE levels were higher in southern than in northern Sweden. Levels decreased with age in milk cows, but not in young nulliparous cows (heifers) and bulls. Moreover, milk cows and bulls had significantly lower OC levels than heifers. Levels were not age-dependent among swine, but castrated male swine (barrows) had significantly lower OC levels than young female swine (gilts). Levels ...Continue Reading

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Citations

Jun 15, 2013·Environmental Science and Pollution Research International·Guido RychenCyril Feidt
Jun 16, 2010·Regulatory Toxicology and Pharmacology : RTP·Lesa L AylwardKannan Krishnan
Aug 1, 2012·Reproduction in Domestic Animals = Zuchthygiene·U Magnusson
Sep 15, 2012·Molecular Nutrition & Food Research·Charlotte BergkvistMarika Berglund
Sep 19, 2015·Reproduction in Domestic Animals = Zuchthygiene·Ulf Magnusson, Sara Persson
Feb 22, 2016·Environmental Pollution·Nadeem AliIqbal M I Ismail

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