Individual dogs will vary, but breeds that are very good for new owners have a tendency to be easier to train and extra easygoing. In general, toy dogs make from a single to four puppies in each litter, even though substantially bigger breeds may perhaps average as several as twelve. In some countries, especially in North America, dog is applied alternatively due to the vulgar connotation of bitch. According to statistics published by the American Pet Items Manufacturers Association in the National Pet Owner Survey in 2009-2010, it is estimated there are 77.5 million men and women with pet dogs in the United States.
Dogs bear their litters roughly 58 to 68 days just after fertilization , 11 66 with an typical of 63 days, despite the fact that the length of gestation can vary. Yet, even though numerous applications are ongoing to promote pet adoption , much less than a fifth of the owned dogs come from a shelter. There does not look to be any gender preference amongst dogs as pets, as the statistical data reveal an equal quantity of female and male dog pets.