采用硫氰酸铁—亚硝酸催化法测定1 %牛羊复合预混料中微量元素碘含量。
Using the method of Fe(SCN) HNO 2 catalyze, the 1% content of iodide micro element in compound premix for cattle and sheep was menstruated.
而且饲料预混料中的各种高浓度微量元素的存在，同样会对益生菌造成不同程度的伤害。
Feed premix and the high concentration of trace elements in the presence of probiotics will also caused varying degrees of damage.
就其本身而言，铬作为一种像铁和锌的微量元素，但在全世界的猪、禽预混料中并不是一种基础微量矿物质。
As such, chromium - a trace mineral like iron and zinc - is not part of basic? Trace mineral premixes used in pig and poultry feeds worldwide.
就其本身而言，铬作为一种像铁和锌的微量元素，但在全世界的猪、禽预混料中并不是一种基础微量矿物质。
As such, chromium - a trace mineral like iron and zinc - is not part of basic? Trace mineral premixes used in pig and poultry feeds worldwide.
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