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.
Cows Can Live Up to 20 Years. When cows are not enslaved in the meat and dairy industry, their natural lifespan can be up to 20 years. That is over 4 times the life expectancy of cows used for food.Cows raised for meat are slaughtered when less than 2 years old and calves killed for veal donât get to live more than a few months.ows Can Live Up to 20 Years. When cows are not enslaved in the meat and dairy industry, their natural lifespan can be up to 20 years. That is over 4 times the life expectancy of cows used for food.