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. 2020 Feb;193(2):517-523.
doi: 10.1007/s12011-019-01726-2. Epub 2019 Apr 22.

Prediction of Lead Intake and Tissue Lead Concentrations in Broiler Chickens Using Feather Lead Concentrations

Jong Hyuk Kim  1 , Geun Hyeon Park  1 , Gi Ppeum Han  1 , Hyeon Seok Choi  1 , Sang Yun Ji  2 , Dong Yong Kil  3
Affiliations

Prediction of Lead Intake and Tissue Lead Concentrations in Broiler Chickens Using Feather Lead Concentrations

Jong Hyuk Kim et al. Biol Trace Elem Res. 2020 Feb.

Abstract

The present experiment was conducted to derive equations for predicting daily lead (Pb) intake and tissue Pb concentrations in broiler chickens using feather Pb concentrations. A total of 800 3-day-old broiler chickens were allotted to one of five dietary treatments with 16 replicates, each replicate consisting of 10 birds, in a completely randomized design. Dietary Pb concentrations were set to 0, 50, 100, 200, or 400 mg/kg by adding a lead acetate. The experimental diets were provided ad libitum for 32 days. Results indicated that growth performance and serum measurements were not affected by increasing concentrations of Pb in diets, which represented that the toxic level of dietary Pb may exceed over 400 mg/kg in broiler diets. Increasing concentrations of Pb in diets increased Pb concentrations in the liver (linear and quadratic, P < 0.05), breast (linear, P < 0.01), and feather (linear, P < 0.01). Feather Pb concentrations were greater than Pb concentrations in the liver and breast, indicating that the feather is highly responsive tissue of broiler chickens to various dietary Pb concentrations. Consequently, the equations for predicting daily Pb intake and Pb concentrations in the liver and breast were derived from Pb concentrations in the feather. Resulting equations indicated that feather Pb concentrations in broiler chickens can be used to predict both daily Pb intake and Pb concentrations in the liver and breast.

Keywords: Broiler chicken; Feather; Lead; Prediction equation; Tissue lead concentration.

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