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  • Title: Effects of dietary chloride and magnesium on the incidence of tibial dyschondroplasia in chickens fed on Chinese practical diets.
    Author: Luo L, Tong JM, Huang JC.
    Journal: Br Poult Sci; 1992 Jul; 33(3):603-11. PubMed ID: 1643524.
    Abstract:
    1. The effects of varying the concentrations of dietary magnesium and chloride on the performance, incidence of tibial dyschondroplasia and tissue element contents of broilers fed on Chinese practical maize soya-bean meal diets was assessed. 2. Two concentrations of dietary chloride (1.5 and 3.5 g/kg) and 3 of dietary magnesium (2.0, 4.0 and 6.0 g/kg) were used to form 6 dietary treatments for a 21-d experimental period. 3. Results from this study indicated that the dietary ingredients of maize and soya-bean meals produced in the northeast of China may predispose or influence the susceptibility of chickens to tibial dyschondroplasia. 4. High dietary chloride induces a high incidence of tibial dyschondroplasia (P less than 0.05) which could be ameliorated by dietary magnesium supplementation. 5. Dietary magnesium plays an anti-rachitic role by improving the deposition of copper and zinc in the bone tissue. 6. Supplementation with magnesium to 4.0 g/kg is recommended for broiler diets in northeast China.
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