Zoologic Basic is an advanced vitamin/mineral supplement for mammalian foods.* *For sensitive ruminants, this product contains no added copper. Calcium,min............................ 9.0% Calcium, max......................... 12.0% Phosphorus, min..................... 0.03% Magnesium, min....................... 1.5% Selenium, min....................... 25 ppm Vitamin A, min............ 1,180,000 lu/lb Vitamin D3, min..............227,000 lu/lb Vitamin E, min...................3,400 lu/lb Price: $18.00 (+ $7.00 shipping) Net Weight 5lbs Feeding Recommendations* Up to 11 lbs...........1 gram 13-44 lbs.......... 1.5 grams 45-110 lbs......... 2-3grams 110-220 lbs...... 3-4 grams 221-440 lbs....... 5-6grams *Suggested daily feeding schedule is a guide for feeding per animal. Individual animals may vary in requirements and should be fed accordingly.