PCDD/F IN AN AGRICULTURAL FOOD-CHAIN .1. PCDD/F MASS BALANCE OF A LACTATING COW

被引：91

作者：

MCLACHLAN, MS

THOMA, H

REISSINGER, M

HUTZINGER, O

机构：

[1] University of Bayreuth, 8580 Bayreuth

来源：

CHEMOSPHERE | 1990年 / 20卷 / 7-9期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1016/0045-6535(90)90214-E

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A mass balance was conducted of the PCDD/F fluxes into and out of a lactating cow in an unmodified environment. Feed was found to be responsible for virtually all of the cow's PCDD/F exposure. Approximately 20% of the 2,3,7,8-Cl4DD toxic equivalents taken up by the cow was excreted in the milk. The measured transfer rates for a cow in a natural state generally agreed well with the results from feeding experiments in the literature. The digestive tract resorption of PCDD/F decreased with increasing degree of chlorination. Both the feces and the milk were important routes for the excretion of persistent PCDD/F isomers. © 1990.

引用

页码：1013 / 1020

页数：8

共 13 条

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