Abstract
The effect of cadmium and vitamin D3 on the solidity of eggshells was observed. Laying hens were divided into 7 groups with 10 animals per group. In the experimental groups 1, 2, and 3, we administered daily 0.3; 10.0, and 15.0 mg CdCl2 kg–1 body weight, respectively; in experimental groups 4, 5, and 6 were administered the same CdCl2 concentrations as above supplemented with a preventive dose of vitamin D3 Group 7 was the control group. In groups 1, 2, and 3, the mean values of solidity were 29.50; 27.58, and 27.34 N/cm2. In the control group, the mean value was 34.05 N/cm2. In the experimental groups 4, 5, and 6, supplemented with vitamin D3 and cadmium, the values were significantly higher: 34.26, 30.59, and 29.48 N/cm2, respectively It is obvious that the interaction of vitamin D3 with Cd reduced an adverse effect of cadmium.
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Received: 14 February 2000 / Revised version: 15 May 2000
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Kottferová, J., Koréneková, B., Siklenka, P. et al. The effect of Cd and vitamin D3 on the solidity of eggshell. Eur Food Res Technol 212, 153–155 (2001). https://doi.org/10.1007/s002170000229
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DOI: https://doi.org/10.1007/s002170000229