A baby pig is called a ‘piglet’. The collective noun is a ‘litter’ or ‘farrow’ of piglets, and a piglet that has been weaned is called a ‘shote’ or ‘shoat’.
When I work I am pure as an angel tiger and clear is my eye and hot my brain and silent all the whining grunting piglets of the appetites.
(Marge Piercy)
And here a funny collection of mini-pigs:
Even as a child, you can recognise the innocence of Piglet or the strange adult qualities of Eeyore. You just know you are with friends and family.
(Jim Broadbent)
And how about this super-cute one:
