hi my yellow lab had 7 puppies on 29TH dec this was her first litter, didn't she do well.she had 2 golden and 5 black i was a bit disapointed that there was no yellow like mum. but mum and puppies are all doing fine.this is also my first time breeding so i am a bit anxious that i am doing it correctly,i am giving my dog tess lactol along with her meals is this right shirley