The term dog usually is applied both to the species (or subspecies) as a entire, and any adult male member of the very same. Dogs bear their litters roughly 58 to 68 days just after fertilization , 11 66 with an typical of 63 days, though the length of gestation can vary. However, though various applications are ongoing to market pet adoption , significantly less than a fifth of the owned dogs come from a shelter. There does not appear to be any gender preference amongst dogs as pets, as the statistical information reveal an equal number of female and male dog pets.
According to the Humane Society of the United States , 3-4 million dogs and cats are place down each and every year in the United States and several much more are confined to cages in shelters for the reason that there are several much more animals than there are homes. An typical litter consists of about six puppies , 67 though this quantity might vary extensively primarily based on the breed of dog.