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 with 120+ answers. Depends on the type or class. Modern dairy cattle have an average lifespan between 5 to 6 years. Cattle raised for beef have a lifespan between 12 to 24 months. Beef cattle for breeding have an average lifespan of around 8 to 12 years. Cattle have been known to live over twice as long as what's considered average, depending on breed, productivity (usually), health status, temperament, and/or how much of an emotional value they hold for the producer or owner.