Abstract: The present invention relates to formulations for animal feed comprising coated granules comprising butyrate salt; the butyrate salt is preferably the salt of sodium or calcium salt. The coated granules have a particle size of 0.1 mm or more, preferably 0.2 mm or more and about 2 mm or less, and preferably about 1 mm or less. The coated granules comprise a binder and a coating. Further, the butyrate salt can be combined with another active ingredient which may be chosen from the group consisting of plant extracts, prebiotic compounds, probiotics, yeast extracts, middle-length chain fatty acids, unsaturated long chain fatty acids, lactate salt, fat soluble vitamin, and toxin absorbing compound.