The powder was made from milk provided by Organic West Milk Inc., a California company, and processed at a Dairy Farmers of America plant in Fallon, Nevada, company officials said. Organic whole milk powder that tested positive for the type of bacteria that causes botulism was made from milk provided by Organic West Milk Inc., a California company, and processed at a Dairy Farmers of America plant in Fallon, Nevada, company officials said. Its plant in Nevada processes about 1.5 million pounds of raw milk daily into 250,000 pounds of whole milk powder. Organic West subsequently sold the milk powder to ByHeart. ByHeart officials declined to identify the source of those milk powder samples.