
I use Arden Grange Pretsige for both the bitch from when pregnancy confimed (4 weeks) and for the pups. I like to feed Mum what the pups will be fed, makes the transition easier (mum tends to eat whet pups leave).
I don't increase the volume of the food until the 6th week and by whelping they are on half as much as their maintenece ration though the food will be higehr in fat and protein than the maintence diet.