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Reproductive success of screech owls fed Aroclor 1248

Archives of Environmental Contamination and Toxicology

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Abstract

Aroclor? 1248 was fed to captive screech owls (Otus asio) at the rate of three ppm in the diet to determine if reproductive effects such as fewer eggs per clutch, lower hatchability, malformation of the chicks, or higher mortality rates of chicks would appear in this raptorial species as they did in chickens. There were no effects on eggshell thickness, number of eggs laid, young hatched, and young fledged from feeding a low level of Aroclor? 1248 to captive screech owls. The polychlorinated biphenyl (PCB) residues found in the eggs of the dosed birds ranged from 3.9 ppm to 17.8 ppm. Background PCB residues in the diet of all experimental birds ranged from non-detected to 0.62 ppm.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Reproductive success of screech owls fed Aroclor 1248
Series title:
Archives of Environmental Contamination and Toxicology
Volume
9
Issue:
6
Year Published:
1980
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
661-665
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Archives of Environmental Contamination and Toxicology
First page:
661
Last page:
665
Number of Pages:
5