A progress summary of the additive effect for those nutrient factors which have major influence on pig meat quality was done in this research.These nutrient factors include energy,fat and fatty acid,protein and amino acid,vitamins,mineral element as well as othere additives etc.Three kind of meat quality control additives was developed through ways of physiology and animal nutriology ,and a combination trial of nutrition formula as well as actual application effect was done for sieve new and meat quality co...