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.
Best Answer: It different among the breeds of cattle, but cows can breed well into their 20's. Some breeds like the Texas Longhorn cattle have been able to breed into their 30's. Depends upon how tough her life is out in the pasture. Well fed and kept free of parasites she can live to maybe 20.