I have raised occasional litters during that time span. (qualitydogs.com)
Briards — from occasional litters of puppies to rescues. (dogpack.com)
Brokers get their puppies from several sources, including commercial kennels that may or may not be licensed by the US Department of Agriculture, private breeders who are not required to be licensed, and unsuspecting breeders of occasional litters who advertise their puppies in local newspapers. (canismajor.com)