Castle Rock Organic Farms whole milk, made in Osseo, Wisconsin, should be discarded if it is dated February 29. The dairy plant said the milk was not properly pasteurized and the Wisconsin Department of Agriculture, Trade and Consumer Protection confirmed the inadequate pasteurization through testing.
Food safety officials are unaware of any illnesses related to the defect.
The milk was sold in half-gallon and quart glass bottles. It has a sell-by date of Feb. 29 and dairy plant number of 55-1951 on the bottle. It is believed to have been distributed in Wisconsin, Minnesota and Illinois.
According to the company’s website, Festival Foods stores in the Green Bay area sell most Castle Rock Organic products.