
Most people woudl only breed fro any oen bitch for say a couple of litters in her life. Our breed club allows for up to four, but in practice few would have as many as that. I ahve ahd two or 3 litters from my girls.
Except for exceptional circumstances a bitch shoudl have a year at lest between litters. Occasionally if a bitch has had a singletone pup a second litter might be acceptable on ehr next season, especially if time is runing out for her or it was difficult to get her in whelp to start with.
Someone could have five bitches as I do but only breed from one for two of them, or they may have two or three who they exploit and mate every season.