The average Holstein Friesian cow can grow to 600 kilos, stand 150cm tall and produce as much as 10,000 litres of milk a year. They can calve after 24 months, and produce milk for as long as 15 years.
荷斯坦牛(Holstein Friesian)平均能長到600公斤、1.5米高，每年產奶量平均可達1萬升。這種牛長至24個月以后即可繁殖小牛，并且產奶期可長達15年。
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