高碘日粮对牛奶中碘含量与奶品质的影响  

Improving Humans Iodine by Iodination of Cow Fodder

作　　者：冯健[1] 赖松家[2] 

机构地区：[1]广东佛山科技学院 [2]四川农业大学

出　　处：《粮食与饲料工业》1999年第1期43-44,共2页Cereal & Feed Industry

摘　　要：用３０头６岁左右荷兰系荷斯坦—弗里西斯（Ｈｏｌｓｔｅｉｎ－Ｆｒｉｈｓｎ）母牛随机分为五组，每组６只，饲喂５周正常日粮和不同水平高碘日粮，以观察安全范围内（≤４０ｍｇＩ／ｋｇ）的高碘饲粮牛奶中碘含量的变化和奶品质、奶牛生产性能与对照组的差异。实验表明，在高碘日粮实验组牛奶中碘含量分别为１５７±３１μｇ／１００ｍｌ（１０ｍｇ／ｋｇ饲粮组），２３６±４３μｇ／１００ｍｌ（２０ｍｇＩ／ｋｇ饲粮组），３０１±４７μｇ／１００ｍｌ（３０ｍｇＩ／ｋｇ饲粮组）和３６２±５６μｇ／１００ｍｌ（４０ｍｇＩ／ｋｇ饲粮组），较对照组牛奶中碘含量１８±５μｇ／１００ｍｌ（０３４ｍｇＩ／ｋｇ饲粮）相应高９～２０倍，差异极显著。实验组与对照组牛奶品质和奶牛生产性能均无显著差异。试验结果表明，通过高碘饲粮可以大幅度提高牛奶中碘含量。The feeding experiment involved 30 Holstein-Frihisn cows into 5 groups (n=6) during 5 weeks. The effects of high iodine supply under safety limit (40 mgI/kg feed) on milk, the quality of the eggs and performance of the cows in experimental and control groups were studied. In the four experimental groups high iodine supplies caused a much higher iodine content: 15.73.1 g/100 g (10 mgI/kg feed group),23.64.3 g/100 g (20 mgI/kg feed group),30.14.7 g/100 g (30 mgI/kg feed group) and 36.25. 6 g/100 g (40 mgI/kg feed group), 920 times in milk than those in the control group 1.80.5 g/100 g (0.34 mgI/kg feed). There were no differences between the experimenral groups and the control group in either the quality of the milk and performance of the cows. The results of the experiment showed that iodination of cow fodder caused much higher iodine contents in milk.

关 键 词：牛奶 碘缺乏病 高碘奶牛日粮 奶牛 饲料 

分 类 号：S823.915[农业科学—畜牧学]