KAECO A supplemental nutritive bolus that provides trace minerals and minerals for cattle and calves. DOSAGE/ADMINISTRATION: Cattle – 1 to ¼ bolus. Calves – ¼ to ½ bolus. F5-B1-A5 50 ct F5-B1-A5-1$15.63 Questions? Call toll free 1-800-892-6978 or email us at info@animalhealthusa.com