셀레늄 급여가 꽃사슴의 혈액과 녹용내 셀레늄 함량에 미치는 영향
Effect of Selenium Feeding on Selenium Concentration of Blood and Velvet Antler in Sika deer(Cervus nippon)
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This study was conducted to investigate the effects of selenium feeding and supplementation in diet on the concentration of selenium in blood and velvet antler of spotted deer(Sika deer). Three spotted deer were fed high selenium concentration(6mg/kg DM). Absorption and retention rates of selenium were examined by evaluating selenium concentrations in feces and urine. Stress-related hormones and serum biochemical parameters in blood were also evaluated for the purpose of detecting any negative effect by the high level of selenium feeding. Eight spotted deers were randomly assigned to two groups and were fed with one of two diets for 20 days, which were with or without the addition of 6mg selenium /kg diet. Concentration of selenium in velvet antler was evaluated. Selenium concentration in blood of spotted deer fed high level selenium for 30 days was significantly increased(p<0.05), retention rate of selenium reached 59.15%. No differences in level of stress-related hormone and biochemical parameters(NEFA, ALT, AST) in blood were observed by feeding high level selenium. The diet with selenium significantly increased concentrations of selenium in top(0.11 vs 0.45ppm; p<0.001), middle(0.08 vs 0.21ppm; p<0.01) and basepart(0.08 vs 0.15ppm; p<0.05) of velvet antler.
Abstract
This study was conducted to investigate the effects of selenium feeding and supplementation in diet on the concentration of selenium in blood and velvet antler of spotted deer(Sika deer). Three spotted deer were fed high selenium concentration(6mg/kg DM). Absorption and retention rates of selenium were examined by evaluating selenium concentrations in feces and urine. Stress-related hormones and serum biochemical parameters in blood were also evaluated for the purpose of detecting any negative effect by the high level of selenium feeding. Eight spotted deers were randomly assigned to two groups and were fed with one of two diets for 20 days, which were with or without the addition of 6mg selenium /kg diet. Concentration of selenium in velvet antler was evaluated. Selenium concentration in blood of spotted deer fed high level selenium for 30 days was significantly increased(p<0.05), retention rate of selenium reached 59.15%. No differences in level of stress-related hormone and biochemical parameters(NEFA, ALT, AST) in blood were observed by feeding high level selenium. The diet with selenium significantly increased concentrations of selenium in top(0.11 vs 0.45ppm; p<0.001), middle(0.08 vs 0.21ppm; p<0.01) and basepart(0.08 vs 0.15ppm; p<0.05) of velvet antler.
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