They eat solids within hours of being born even tackling hay and dry food, they also nibble at veggies.

Aren't piggies amazing?

The Birth

Rosa giving birth

Getting ready for baby

almost ready

One more push should do it

The baby emerging

Cleaning the baby up

A good article about Cavy Birth can be found here
http://www.oginet.com/Cavies/cvbirth.htm