Not referee cows.
The state of Wisconsin is currently home to 17, 800 dairy farms and 1,271,00 dairy cows.
You buy them from the market and fill them with cows.
usually Holstein
i think it is cows, sheep and goats!
Dairy Farms are available in the market, Buildings section. It doesn't need to be constructed.
Dairy farms can be laid out in almost any pattern as long as the barns or fields which hold the milking cows are connected to the milking parlor somehow.
Cheese came from cows on dairy farms or just plan factorys.
Stonyfield Farms & Horizon Dairy.
Holstein.
Mostly cows because the Wisconsin dairy industry is huge
Threemile Canyon Farms is currently the largest dairy farm in Oregon. The farm has 25,000 dairy cows of milking age, 30,000 replacement heifers, and 8,000 calves.
There are about 9 million dairy cows in the United States. Dairy cows can make a lot more milk than in the past. In the 1940's there were 25 million cows.