hungry all the time?

Question
we have recently got a 5 week old pot belly pig who's mother passed while giving birth to and has been bottle fed since birth by the farm that we received her from.  She is rooting all the time and i have come to understand that they do that against the mommy pig's belly to get the milk from her nipple, but she does it even after she has drank at least 8-12 oz of milk that we've fed her. When she does this after she's ate does it mean she is still hungry? I don't want to feed her too much, but how much is too much for a 5 week old? Also how should i introduce the piglet pellets to her, and how much should i introduce to her at a time?

Answer
Yes this is perfectly normal behavior for a nursing age piglet. Piglets root constantly, on everything. Pigs are all about rooting. This nursing-rooting behavior should drop off considerably at about 3 months, and mostly gone by age 6 months.

But, you'll still need to put a few limits on rooting behavior. Give her a pillow or stuffed animal, and encourage her to root on that. Do not let her root on feet. When pigs root at people's feet, people tend to move their feet. In pig language, this means the pig is dominant and the human is being submissive. This can unintentionally encourage the pig to try to be dominant in other ways, and the result is an aggressive pig.

At five weeks she's old enough to be eating from a pan and ready to sample pellets and other foods. At first, she may just roll the samples around in her mouth and spit them out. It may take a few tries before she chews, swallows, and likes, other foods.

Get starter pellets, if they are available. Starter pellets are higher in nutrition and milk flavored, most pigs think they're tastier than regular pellets. Start by mixing just a few into her milk, then add more and more each meal until it's the consistency of oatmeal. At that point, begin reducing the amount of milk at each meal until she's eating dry pellets. The next step is to gradually switch from the starter pellets to her regular food.

The rule of thumb is piglets should get 1/2 cup of food per 15 lb of piglet, with a minimum of 1/2 cup per day.

I highly recommend the book Pot-Bellied Pig Behavior and Training by Priscilla Valentine. Pris really understands how pigs think and why they do the things they do.