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.
Puberty is from 4 to 12 months (females between 7-10 months and males 4 to 8 months). The natural life expectancy for goats is around 8 to 12 years and in some cases, goats can live over 15 years.Dwarf does can have several kids at a time, 3 and 4 being common with some quintuplet births occurring.any owners breed their does three times in two years, giving the doe at least a 6-month break. Of course, this is a personal choice for each breeder. The gestation period (or length of pregnancy) for a doe is 145 to 153 days. For the most part, Nigerian Dwarfs are a hearty breed with few kidding problems.