Definition of lowâpressure. 1  1 : having, exerting, or operating under a relatively small pressure. 2  2 : easygoing.
Today some vets will spay/neuter at eight weeks of age, while other adhere to the old practice of six months of age. The average age at which pets are spayed or neutered is four months. Adolescent cats and dogs as young as five months can get pregnant.
First heat can vary greatly dog to dog. The youngest is about six months of age though sometimes a female will come into season younger. First heat can start as late as 12 or even 14 months of age or later in rare cases.Again, it can vary dog to dog. dog can get pregnant in her first cycle. Ideally, she should not be bred until about 24 months when she is out of adolescence. In addition, she should not be bred unless she will truly add to the quality of her breed in form, function and health. Breeding ethics is a whole other discussion!