Do you find that bigger litters tend to whelp earlier than little litters, or the other way around? Or it doesn't matter?
Didn't seem to matter to me. I have litters big of 15 pups. Which is just way to big for me.And i have had smaller litters from 1-5 and they were all born on there due dates.
63 days from 5.0ng- with 1 or 16 like clockwork.