Iowa Administrative Code
Agency 21 - AGRICULTURE AND LAND STEWARDSHIP DEPARTMENT
Chapter 68 - DAIRY
Rule 21-68.54 - Milk temperature
Current through Register Vol. 46, No. 19, March 20, 2024
(1) Before a milk hauler collects milk at a dairy farm, the milk hauler shall record the temperature of the milk to be collected.
(2) If the milk is collected more than two hours after the last milking, the milk hauler shall reject the milk if the milk temperature exceeds 45°F or 7°C.
(3) If milk from two or more milkings is collected within two hours of the last milking, the milk hauler shall reject the milk if the milk temperature exceeds 50°F or IO°C.
(4) If the farm bulk tank thermometer is working, at least once each month, and more often if necessary, a milk hauler shall check the accuracy of each dairy farm bulk tank thermometer by taking the temperature of the milk in the bulk tank with the milk hauler's thermometer and shall record the temperature on the milk pickup record card. This procedure shall be done at every pickup if the farm bulk tank thermometer is not working.
(5) Before a milk hauler uses the milk hauler's thermometer to take the temperature of the milk in a bulk tank, the hauler shall sanitize the stem of the thermometer in 200 ppm chlorine or its equivalent for a minimum of 60 seconds.
(6) A milk hauler shall immediately notify the milk producer and the dairy field person if the dairy farm bulk tank is not cooling properly or if the bulk tank thermometer is not recording the temperatures accurately.
