The leading producer of cattle in North America is the state of Nebraska.
That is Wisconsin
California
Wisconsin is the number one producer of milk and cheese.
Dairy cattle, beef cattle, poultry, swine,
# what state is the leading producer of sardines?
The states that produce and sell the MOST dairy products would be California, Idaho, New York, Pennsylvania, and Wisconsin, but Wisconsin actually produces the largest quantity of dairy products
California.
If "the nation" is USA, then Wiscosin is biggest cheese producer
Oklahoma is among the top five states in production of wheat. The state also is a producer of cattle and calves, hogs, broilers (young chickens), and dairy products.
If you mean LEADING producer, I would guess Wisconsin.
California is the state that produces the most butter. It is the leading dairy industry. Cheese is also a leading dairy product.