Mortality among bobwhites confined to a heptachlor contaminated environment
Journal of Wildlife Management
By: J.F. Kreitzer and J. W. Spann
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Abstract
The lethal effects of heptachlor on bobwhites (Colinus virginianus) were studied at the Patuxent Wildlife Research Center during 1962 and 1963. A pair of adult birds was placed in each of 32 wire-covered field pens (20 x 50 x 61/2 ft) in May, 1962, and in 36 additional pens in May, 1963. Heptachlor (technical grade on clay granules) was spread in the pens at rates of1/8, 1/4, 1 1/4 and 2 lb/acre. In 1963 the treated pens were thoroughly soaked with a hose before birds were introduced to avoid the possibility of birds pecking granules. Heptachlor at 1 1/4 and 2 lb/acre caused severe mortality among birds introduced successively during the first 15 days after application. Mortality declined rapidly among birds placed in these same pens thereafter and was undetectable after 45 days. Mortality at 1/4 lb/acre was significant only during the first 15 days of the 1962 test. There was no detectable difference in mortality of the sexes. Water applied to the pens followed by fairly heavy rain did not significantly affect mortality.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Mortality among bobwhites confined to a heptachlor contaminated environment |
| Series title | Journal of Wildlife Management |
| Volume | 32 |
| Issue | 4 |
| Year Published | 1968 |
| Language | English |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 874-878 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Wildlife Management |
| First page | 874 |
| Last page | 878 |
| Google Analytic Metrics | Metrics page |