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.
Far from being the âhappy cowsâ the industry makes them out to be, these typically playful, nurturing animals endure immense suffering on factory farms. 1  Like all mammals, dairy cows must be impregnated in order to produce milk. 2  Nearly all cows used for dairy in the U.S. are eventually slaughtered for human consumption. At an average of less than 5 years of age, exhausted cows are considered âspentâ and sent to slaughter, and millions of them are eaten by Americans as hamburger. In a natural setting, a cow can live more than 20 years.