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《Chinese Journal of Animal and Veterinary Sciences》 2003-06
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Effect of Organic Mg and Organic Se on the Anti-oxidation Capability of Broilers' Tissues

QIU Rongsheng,GUO Yuming(Department of Animal Nutrition and Feed Science,College of Animal Science & Technology,China Agricultural University,Beijing,100094)  
A 2×2 factorial experiment was conducted to study the effect of organic Mg and organic Se on the performance and antioxidation system of broilers.Five hundred and sixty male broilers were randomly allotted to four treatments,with five replicate pens per treatment and twentyfive chicks per pen. The four treatments were control,organic Se,organic Mg and combination of organic Se and Mg.The supplementation level of organic Se was 025mg/kg,and that of organic Mg was 02%.The results showed that with the administration of organic selenium,growing rate(P001) and feed conversion efficiency (P005) were significantly improved in the first 3 weeks.The catalase (CAT) of heart and liver(P005)as well as the content of glutathione (GSH)in the liver(P001)for the birds fed organic magnesium were increased significantly,which might be the cause of significant decrease of MDA in muscle and liver(P001).The total antioxidant capability (TAOC)of liver (P001)and glutathione peroxidase(GSHPx)of plasma(P005)were increased significantly by the use of organic selenium.There was a significant interaction(P001)between organic magnesium and organic selenium to increase TAOC and decrease the content of malondialdehyde(MDA) of liver.
【CateGory Index】: S831
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