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1 October 1998 EFFECTS OF LEAD, IRON, AND BISMUTH ALLOY SHOT EMBEDDED IN THE BREAST MUSCLES OF GAME-FARM MALLARDS
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Abstract

Effects of five lead (Pb), iron (Fe), or bismuth (Bi)/tin (Sn) alloy shot embedded in the breast muscles of game-farm mallards (Anas platyrhynchos) were studied from 28 March 1994 through 27 March 1995. We detected no differences in the mean survival times, mean hematocrits, or mean body weights among the three shot types. Connective tissue encapsulated Pb and Bi/Sn shot but only slight changes occurred in tissues surrounding the shot. Recovered Pb and Bi/Sn shot were essentially unchanged in appearance and weight. A thin zone of “oxide” surrounded Fe shot with a slight inflammatory response and a small amount of scarring adjacent to the embedded shot. Fe shot decreased slightly in weight while embedded. Bacterial infections were absent in all dosed ducks. Mean weights of kidneys, livers, and gonads did not vary by type of shot. Kidneys and livers of Bi-dosed ducks had higher concentrations of Bi than in Pb- and Fe-dosed ducks. Muscle and blood showed no differences in Bi concentrations among doses. We found no histological dose-related effects in kidneys, liver, and gonads from the embedded shot.

Sanderson, Anderson, Foley, Havera, Skowron, Brawn, Taylor, and Seets: EFFECTS OF LEAD, IRON, AND BISMUTH ALLOY SHOT EMBEDDED IN THE BREAST MUSCLES OF GAME-FARM MALLARDS
Glen C. Sanderson, William L. Anderson, George L. Foley, Stephen P. Havera, Loretta M. Skowron, Jeffrey W. Brawn, Gale D. Taylor, and James W. Seets "EFFECTS OF LEAD, IRON, AND BISMUTH ALLOY SHOT EMBEDDED IN THE BREAST MUSCLES OF GAME-FARM MALLARDS," Journal of Wildlife Diseases 34(4), 688-697, (1 October 1998). https://doi.org/10.7589/0090-3558-34.4.688
Received: 4 September 1996; Published: 1 October 1998
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