Effects of Dietary Cadmium and Boron Supplementation on Performance, Eggshell Quality and Mineral Concentrations of Bone in Laying Hens

Biological Trace Element Research
Osman Olgun, Yilmaz Bahtiyarca

Abstract

This study was conducted to determine the effects of supplementation of different levels of cadmium and boron on performance, eggshell quality, and mineral concentrations of bone in layer diets. In this trial, a total of 144 layer chickens, 21 weeks old, were randomly divided into 12 experimental groups. In each experimental group, there were four replicates, and in each of the replicates, there were three hens. Experimental diets consisted of all possible combinations of four levels of added cadmium (0, 5, 15, and 45 mg/kg) and three levels of added boron (0, 60, and 120 mg/kg) to the basal diet. Added cadmium (15 or 45 mg/kg) had a significant adverse effect on performance parameters (P < 0.01). Eggshell thickness increased with the addition of 5 mg/kg level of cadmium to the diet (P < 0.01). Tibia cadmium content increased with the addition of cadmium and boron in the diet (P < 0.01). However, tibia boron content decreased with the supplementation of cadmium (P < 0.01). These results indicate that the addition of boron to the diet did not prevent adverse effect of cadmium on performance and eggshell quality, or accumulation of cadmium in bone.

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Citations

Oct 4, 2019·Poultry Science·De-He WangZhong-Hua Ning
Nov 23, 2019·Animals : an Open Access Journal From MDPI·Mingkun ZhuXiaoting Zou
Jun 13, 2020·Environmental Science and Pollution Research International·Can TaoNiya Zhang
Jan 7, 2021·Biological Trace Element Research·Indrajit Kar, Amlan Kumar Patra

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