日粮硒水平对北京鸭生长及发病死亡的影响 |
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引用本文: | 金月英,苏琪,段玉琴,陆肇海,刘金旭.日粮硒水平对北京鸭生长及发病死亡的影响[J].中国畜牧杂志,1987(1). |
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作者姓名: | 金月英 苏琪 段玉琴 陆肇海 刘金旭 |
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作者单位: | 中国农业科学院畜牧研究所营养室
(金月英,苏琪,段玉琴,陆肇海),中国农业科学院畜牧研究所营养室(刘金旭) |
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摘 要: | 将1日龄北京雏鸭180只按体重随机分成6组,每组30只。在低硒日粮中补充亚硒酸钠,调正各组日粮含硒水平为0.01,0.03,0.05,0.10,0.30及0.50ppm,测定体重,组织硒含量及血液谷胱甘肽过氧化物酶活性,研究日粮不同硒水平对北京鸭生长及发病死亡的影响。结果表明,日粮含硒在0.03ppm以下时,北京鸭死亡率高,增重差,缺硒病变严重。日粮含硒在0.05ppm以上才能维持北京鸭不发生缺硒死亡,其中以0.30ppm对生长发育更为适宜。
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EFFECT OF DIETARY SELENIUM LEVELS ON THE GROWTH AND MORTALITY OF PEKING DUCKS |
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Abstract: | Low selenium diets (0.01 ppm Se ) supplemented with 0.01, 0.03, 0.05, 0.1, 0.3 or 0.5, ppm Se as sodium selenite were fed to Pekin ducks. No duck died in the Se su-pplemented groups ( 0.05 to 0. 5 ppm). Based on body weight , bl-ood glutathione peroxidase and li-ver Se content, 0.03 ppm was pr-obably adequate. |
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