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.
Male dogs are never to old to breed. Being 11 years old his sperm quality may not be good anymore so she may not get pregnant. Dogs pregnant 60-65 days so just keep an eye on her. You should know for sure in about 3 weeks if she is pregnant or not.