Relative toxicity of lead and selected substitute shot types to game farm mallards
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Abstract
The acute toxicity of lead, three types of plastic-coated lead, two lead-magnesium alloys, iron, copper, zinc-coated iron, and molybdenum-coated iron shot were tested in year-old male game farm mallards. Mallards (Anus platyrhynchos) were fed eight number 6 shot of each type and observed for a period of 60 days. Ducks used totaled 230 and most shot types were tested in three replicates of 8 ducks each. Mortality and losses of body weight were the criteria used for judging toxicity. Three types of plastic-coated lead shot were as toxic (93 percent) as the commercial lead shot (96 percent). The average mortality in mallards fed lead-magnesium alloy shot was less (58 percent) than that occurring in birds fed commercial lead shot. Mortality among mallards fed iron, copper, zinc-coated iron or molybdenum-coated iron shot was significantly less than in birds fed lead shot, and was not significantly greater than the conrtols.
Suggested Citation
Irby, H.D., Locke, L.N., Bagley, G.E., 1967, Relative toxicity of lead and selected substitute shot types to game farm mallards: Journal of Wildlife Management, v. 31, no. 2, p. 253-257, https://doi.org/10.2307/3798314.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Relative toxicity of lead and selected substitute shot types to game farm mallards |
| Series title | Journal of Wildlife Management |
| DOI | 10.2307/3798314 |
| Volume | 31 |
| Issue | 2 |
| Year Published | 1967 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 5 p. |
| First page | 253 |
| Last page | 257 |
| Country | United States |
| State | Maryland, Pennsylvania |
| Other Geospatial | Patuxent Wildlife Research Center, Remington Farms, Rolling Rocks Game Farm |