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1 April 1989 COMPARATIVE TOXICITY OF LEAD SHOT IN BLACK DUCKS (ANAS RUBRIPES) AND MALLARDS (ANAS PLATYRHYNCHOS)
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Abstract

In winter, pen-reared and wild black ducks (Anas rubripes), and game farm and wild mallards (Anas platyrhynchos), maintained on pelleted feed, were sham-dosed or given one number 4 lead shot. After 14 days, dosed birds were redosed with two or four additional lead shot. This dosing regimen also was repeated in summer using pen-reared black ducks and game farm mallards. Based upon mortality, overt intoxication, weight change, delta-aminolevulinic acid dehydratase activity and protoporphyrin concentration, black ducks and mallards were found to be equally tolerant to lead shot. However, captive wild ducks were more sensitive than their domesticated counterparts, as evidenced by greater mortality and weight loss following lead shot administration. This difference may be related to stress associated with captivity and unnatural diet.

Rattner, Fleming, and Bunck: COMPARATIVE TOXICITY OF LEAD SHOT IN BLACK DUCKS (ANAS RUBRIPES) AND MALLARDS (ANAS PLATYRHYNCHOS)
Barnett A. Rattner, W. James Fleming, and Christine M. Bunck "COMPARATIVE TOXICITY OF LEAD SHOT IN BLACK DUCKS (ANAS RUBRIPES) AND MALLARDS (ANAS PLATYRHYNCHOS)," Journal of Wildlife Diseases 25(2), 175-183, (1 April 1989). https://doi.org/10.7589/0090-3558-25.2.175
Received: 7 September 1988; Published: 1 April 1989
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