In England and Wales it is called Year 6 and the pupils are usually 10 to 11 years old. Often it is the seventh year of school; the years being called Reception, Year 1, Year 2, Year 3, Year 4, Year 5 and Year 6.
Quick Answer. According to Animals Australia, the natural lifespan of a dairy cow is approximately 20 years. The average lifespan of a beef cow is 15 to 20 months.
Rating Newest Oldest. Best Answer: The life expectancy of a cow if it was never milked, never been in calf etc is around 15 years. It depends on hard a cow is milked. Some of the big dairy units will only milk for 2 -3 years before the cow is sent barren and slaughtered.he modern dairy cow can expect to live for 6.5 years with an average of four lactations (the process by which milk is produced), though the target is for 6 lactations. http://www.warmwell.com/cow.htm A normal cow (if not slaughtered) will live 15 - 20 years. http://www.littlemoos.com/miniature-catt...