Rex Diet fortified wheat germ oil is natural wheat germ oil fortified with Diet A and D. Instructions: For horses (race or display): Feed 1 or 2 tablespoons day by day without reference to weight. For breeding: Feed 1 ounce two times every week on grain for each and every 400 kilos of frame weight. Canine: As much as 50 kilos – half teaspoon day by day. Over 50 kilos: 1 teaspoon day by day. Cats: half teaspoon day by day. Birds: One drop jumbled together day by day meals. All over molting: drops in step with day.