hi to you all ,i put my dog of 23 months over a pals bitch of 5yrs [springers] and they tied 2 days in a row but even tho the bitch put a fair bit of weight on no pups were born NOW this is the other thing my pal wormed the bitch 4 times a day with 1ml of panacur =4mls and he done this for 1st 20 days of pregnancy could this have been reason for no pups being born? ive never heard the likes of it but he says he read up on it & its ok to do sensible replies please lads /lasses -billy