摘要：

A composition of matter comprising particles which contain choline chloride to be administered in a rumen-protected and post-ruminally effective form, each particle comprising a core which contains choline chloride and a protective coating surrounding the core and protecting choline chloride by ruminal activity while allowing its release into the post-rumen portion of the digestive tract of a ruminant. The core mainly consists of choline chloride in the form of a dry, crystalline powder and, in combination, the protective coating surrounding the core comprises an outer, continuous layer mainly consisting of carnauba wax and inner, continuous layer consisting of an hydrophobic substance. A feed pellet containing the composition of matter and a premix for feed which contains the composition of matter a premix for feed which contains feed pellets containing the composition of matter. Mash feed in unpelleted form containing the composition of matter.

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