Animals should be fed twice a day and provided with fresh clean water. Animals should be weighed weekly and feed adjusted based upon the weight gain and the desired weight at show. Feed supplements can be used as necessary to help animals if needed.
Also, every feed manufacturer has great feeding strategies, please research and find the feed that works for you. There are several factors to take into consideraton; price, location and personal preference. You must make the chose on which feed to use.
http://honorshowchow.com/honorshowchowfeeds_hsc.php
http://www.showfeeds.lindnerfeed.com/
http://www.showmasterfeeds.com/showmaster/en/index.jsp
http://www.admani.com/Show%20Feeds/Show%20Feeds%20Index.htm
Pigs
Start with 6 lbs a day of a 18% pig grower.
Lambs
Start with 2 lbs a day of a 18% lamb grower.
Goats
1.5 to 2 lbs a day of a 16% goat grower.