CMZ Colt Builder Paste is a drench paste used for foals. CMZ Colt Builder Paste has the Yeast Culture, Selenium Yeast, and 5 Chelated minerals in it. Use this on foals at 7 days old. You can use it every day or once a week until the foal is weaned and is eating the Colt Grower. If you have a horse that is buckling over at the knees, you can use the dac CMZ Colt Builder Paste along with 4 ounces of the dac Colt Grower. Feeding Instructions: Use at the rate of 1/2 to 1 tube daily. 90 gm tube.