 When a 4-H or FFA animal is sold after the fair, the net income should be reported on the other income line of the 1040. It's not subject to self-employment tax if the animal was raised primarily for educational purposes and not for profit, and was raised under the rules of the sponsoring organization. It's also not earned income for kitty tax purposes, but if the animal was raised as part of an activity that the seller was engaged in on a regular basis for profit,