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)平均能长到600公斤、1.5米高，每年产奶量平均可达1万升。这种牛长至24个月以后即可繁殖小牛，并且产奶期可长达15年。
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