Abstract: Embodiments of a composition and/or combination comprising an anionic dietary supplement and 25-hydroxy vitamin D are disclosed. The anionic dietary supplement may be a negative dietary cation anion difference (DCAD) supplement and/or may comprise magnesium chloride, magnesium sulfate, ammonium chloride, ammonium sulfate, and calcium sulfate, and/or complexes thereof. Also disclosed are embodiments of a method for administrating the combination and/or composition to an animal, such as a ruminant. In certain embodiments, the animal is a dairy cow, and the method may be a method for increasing milk yield, and/or improving the health of the animal.

Abstract: Embodiments of a composition and/or combination comprising an anionic dietary supplement and 25-hydroxy vitamin D are disclosed. The anionic dietary supplement may be a negative dietary cation anion difference (DCAD) supplement and/or may comprise magnesium chloride, magnesium sulfate, ammonium chloride, ammonium sulfate, and calcium sulfate, and/or complexes thereof. Also disclosed are embodiments of a method for administrating the combination and/or composition to an animal, such as a ruminant. In certain embodiments, the animal is a dairy cow, and the method may be a method for increasing milk yield, and/or improving the health of the animal.

Abstract: Disclosed herein are embodiments of a feed supplement comprising silica, mineral clay, glucan and mannans, wherein each particle of the feed supplement comprises silica, mineral clay, glucan and mannans. The feed supplement may be a granular feed supplement, and the granules may have at least one dimension between 4 mesh and 100 mesh size. In some embodiments, at least 40% of the granular feed supplement has at least one dimension greater the 100 mesh. Administration of the feed supplement to an animal may increase expression of one or more immune system biomarkers in that animal relative to animals not administered the composition.