According to most sources, the human hearing (frequency) range is between 20 Hz and 20,000 Hz (bats can hear up to 100,000 Hz!). What does that mean? Sound is a mechanical wave that propagates through a medium (air, water), and the frequency of a sound wave determines its tone and pitch.
A male dog can mate when he's 6 months and older. For females, it's best to wait until they are 2 years old. That way there is less of a chance of miscarrage and she'll have m â¦ ore time to mature and be physically ready for puppies.
If you have a male dog and are thinking of allowing your dog to mate, bear a few things in mind before you go ahead. If you do not have a high pedigree of dog and are not interested in the business of selling the puppies that you get from breeding, it is better to have your dog neutered rather than allowing it to mate.ales like the female dogs attain puberty at different ages. Different breeds reach maturity at different times with the smaller breeds attaining it at a much younger age. The average age for reaching puberty is around 6-12 months of age, depending on the type of breed.