A study on perchlorate exposure and absorption in beef cattle.
J Agric Food Chem
; 52(11): 3456-61, 2004 Jun 02.
Article
em En
| MEDLINE
| ID: mdl-15161215
ABSTRACT
Perchlorate exposure and potential effects were evaluated in large mammals by monitoring heifer calves placed on a site with access to streamwater fed by a perchlorate-contaminated groundwater spring ( approximately 25 ng/mL). Blood was collected from the two calves on the site (and two control calves from an uncontaminated site) approximately every 2 weeks for analysis of perchlorate residues and thyroid hormones. During the 14 week study, perchlorate was detected (detection limit = 13.7 ng/mL) in blood plasma twice (15 ng/mL and 22 ng/mL) in one of the heifer calves drinking perchlorate-contaminated water on consecutive sampling periods 4 and 6 weeks after the beginning of perchlorate exposure. Constant exposure to 25 ppb perchlorate in drinking water had no effect on circulating thyroid hormones (T(3) and T(4)) in the heifer calves.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Poluentes da Água
/
Compostos de Sódio
/
Percloratos
/
Exposição Ambiental
Limite:
Animals
Idioma:
En
Revista:
J Agric Food Chem
Ano de publicação:
2004
Tipo de documento:
Article
País de afiliação:
Estados Unidos