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Use of oxytetracycline in batch-marking post-metamorphic boreal toads

Herpetological Review

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Abstract

Comparison of organochlorine residues in wildlife must often be made to regulatory standards or to values of known biological significance; this is difficult when dissimilar tissues are analyzed and results are expressed on different bases. To relate levels in the different tissues used for regulatory and monitoring purposes and for biological assessments, we exposed American black ducks to mixtures of three organochlorines. Differences in residue burdens among tissues were not statistically significant when levels were expressed on a lipid weight basis. Levels of heptachlor and Aroclor 1254 in one tissue can be accurately predicted from those in another; such predictions for endrin are less reliable. Lipid weight based residue concentrations in wings may be used to predict whether levels in fat exceed residue standards set for human health or approach those associated with effects on populations of species sampled.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Use of oxytetracycline in batch-marking post-metamorphic boreal toads
Series title:
Herpetological Review
Volume
31
Issue:
1
Year Published:
2000
Language:
English
Contributing office(s):
Fort Collins Science Center
Description:
p. 28-32
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
28
Last page:
32
Number of Pages:
5