The correct answer is (b), Holstein. Holstein cows are a dairy breed of cattle that are known for their high milk production. They are black and white in color, and they are one of the most popular breeds of cattle in the world. Holstein cows are originally from the Netherlands, but they have been bred in many different countries around the world. They are a large breed of cattle, and they can weigh up to 2,000 pounds. Holstein cows are very efficient at converting feed into milk, and they can produce up to 20,000 pounds of milk per year. They are also a very hardy breed of cattle, and they can tolerate a wide range of climates.
The other options are incorrect. Dorset cows are a beef breed of cattle that are not known for their milk production. Sahiwal cows are a dairy breed of cattle that are native to Pakistan. Red Sindhi cows are a dairy breed of cattle that are native to India.