Providing for uniformity with certain federal dairy regulations; adopting federal grading and inspection standards for manufacturing dairy plants and products in effect on a certain date as the dairy grade rules and manufacturing plants standards in the state; requiring completion of farm inspections for residues in bulk loads of milk by the plant representative and the producer to determine the cause of the residue and actions required to prevent future violations; conforming certain grade A pasteurized milk rulemaking requirements of the commissioner of agriculture with a certain condensed and dry milk ordinance of the federal department of health and human services; updating a certain federal reference relating to commissioner adoption of rules for quality standards for milk used for manufacturing purposes; modifying the grade requirements for butter; updating certain federal regulations relating to selected class dairy products; repealing the prohibition on the manufacture or sale of certain butter, certain provisions regulating light butter and reduced fat cheese, the Minnesota filled dairy products act and the definitions of reduced fat, low fat and nonfat ice cream (ra)