an admixture of resin and additives in powder form, usually prepared by the processor shortly before use
A very broad term to describe a mixture of more than one component It may be a number of vitamins Generally when discussing a complete ration, the premix will include all the vitamins, trace minerals, amino acids and other additives such as yeast that are in specific quantities and ratios for that particular ration for the particular specie Some premixes will include the major minerals as well