Changes of Iodine concentration in the milk of dairy cows applied 0.1% Iodophor teat disinfectant.

概要

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Pre-dipping has not widely spread yet in Japan. This situation may be resulted from worry about iodine residues in milk when iodophor teat dip preparation is applied for pre-dipping. And any teat dipping preparations have not been approved for use of pre-dipping until Dec. 1997. In this study, changes of iodide ion concentration in milk was examined when post-dipping or pre-and post-dipping were carried out using low concentrated (0.1%) iodophor teat dip. In result, significant elevation of iodine level it milk was observed in both cases of post-dipping alone and pre-and post-dipping as 16.7 μg/l and 28.1 μg/l respectively. But there was no significant difference of iodin level between post-dipping and pre-and post-dipping group.<BR>It was concluded that rising of iodine level in milk by use of 0.1% iodophor teat dip can not make health problem of milk in consideration of iodine level of the other com-mon foods.
日本家畜臨床学会の論文