Is the black and white cow a bull or a cow?

Black-flowered cow is a kind of cow, which has both bulls and cows.

Black-and-white cows are the cows with the highest milk yield and the largest number of reproduction in the world. China Black-and-White Dairy Cow was gradually formed at the end of19th century by crossing China Yellow Cattle with Holstein Cattle introduced to China at that time. Cattle are strong and well proportioned. The coat is black and white, and the flowers are distinct.

This kind of cow has bulls and cows, but only pregnant cows can produce milk. Cows and bulls are the focus of breeding. Cows have good nests and good slopes. A good cow is related to milk yield and benefit, and a good bull is related to the reproduction and development of cows. Therefore, it is very important to raise bulls and cows.