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USGS · 5221376

Delta-aminolevulinic acid dehydratase: Inhibition in ducks dosed with lead shot

M. T. Finley·M. P. Dieter·L. N. Locke
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Abstract

Lead concentration in blood and erythrocyte delta-aminolevulinic acid dehydratase (ALAD) activity was measured in mallard ducks dosed with one all-lead shot or one lead-iron combination shot. For 2 weeks after dosage, lead in blood of ducks given an all-lead shot was fourfold higher than in those dosed with lead-iron shot. At 3 and 4 weeks, the differences in lead residues were directly proportional to lead content of the shots. ALAD activities measured at these intervals were inversely correlated (P < 0.01) with the concentration of lead in the blood, suggesting that biochemical responses to the two types of shot were dependent upon the quantity of lead present.

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M. T. Finley, M. P. Dieter, L. N. Locke. 1976. Delta-aminolevulinic acid dehydratase: Inhibition in ducks dosed with lead shot. https://doi.org/10.1016/0013-9351(76)90032-3

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