21—68.16 (194) Legal milk.
	 68.16(1) All milk delivered to a creamery, cheese factory or milk processing plant shall be subject to an examination, as provided in Iowa Code chapter 194, which shall be made at the plant if delivered in separate containers or before mixing with other milk collected in a bulk tank container and the examination shall be made by a licensed grader.
	 68.16(2) Every creamery, cheese factory or milk processing plant which gathers its milk by a bulk tank vehicle whether operated by an independent contractor or otherwise shall provide for a licensed grader in the operation of the bulk tank and for examination of the milk by the grader upon receipt thereof at the bulk tank.
	 68.16(3) The common change occurring in milk is the development of acidity, causing an acid flavor and odor, or even complete or partial coagulation. Other undesirable changes include sweet curdling, ropiness, gassiness and abnormal flavors, odors and colors. All milk showing any of these defects or any other defect must be rejected.
	 68.16(4) The presence of any insect in milk shall be sufficient cause for rejection.
This rule is intended to implement Iowa Code sections 194.2, 194.12 and 194.15.