Well first off what kind of feed are you feeding? I usually buy a bag a pig of starter just to keep on hand when pigs first come into my barn to get them eating, until I know the true value of each hog. If it takes a while for feed to come in where you live then I would buy 2 bags per pig just to be...

You have to hand feed. By hand feeding you get to see how much the pigs are eating and how fast they are eating. That daily interaction of feeding causes the pigs to expect feed and know when it is time to eat. This will help the pigs not get off of feed later on down the road after stress, sickness...