it takes months for the newborn to take enough colostrum that's why it is really important that newborns are breastfed.
milk
Yes they do!
milk from its mum
The mother feeds the newborn dolphin milk from mammary glands near her anal opening.
Once a day, usually early in the morning.
Newborn rats can be bottle fed with KMR, a kitten replacement formula.
For a newborn 0-12 weeks you should feed them formula bought from the grocery store or a pet store specifically designed for puppies.
Directly after giving birth she will be very tired, so give her time. Also, she may get up in a while and after they are fed, but she will always come back and repeat this until they are old enough.
A newborn piglet will need to be kept warm since they can't generate their own heat. They will also need to be fed, given iron supplements, and vaccinated.
A newborn sparrow can be fed dry cat food or dog food soaked in water until it is mushy. A little bit turkey baby food can be added into the mixture also.
If you are worried your puppy is not feeding enough weigh him everyday at the same time eg just after feed. You will see how much weight he is gaining, pugs are often very bad mothers so make sure to help your bitch lie down and the pups latch on.
A newborn Netherland rabbit can weigh anything thing from 2kg-7kg depending on whether it has already had babies and how much its fed................... top tip Don't feed your rabbit lettuce as this can be fatal