Table 1.
Composition of mineral supplement consumed by cow-calf pairs grazing native range in years 1 and 2 and during the winter feeding period each year; company guaranteed analysisa,b,c
| Year 1a | Year 2b | Winter Feedingc | ||||
|---|---|---|---|---|---|---|
| Item | Min | Max | Min | Max | Min | Max |
| Minerals | ||||||
| Ca, % | 14.40 | 17.20 | 12.00 | 14.00 | 12.00 | 14.00 |
| P, % | 8.00 | – | 6.00 | – | 12.00 | – |
| NaCl, % | 7.70 | 9.20 | 17.50 | 21.00 | 3.00 | 4.00 |
| Mg, % | 0.60 | – | 2.75 | – | 3.00 | – |
| K, % | 0.18 | – | – | – | – | – |
| Mn, mg/kg | 5,500 | – | 3,400 | – | 3,500 | – |
| Co, mg/kg | 65 | – | 38 | – | 38 | – |
| Cu, mg/kg | 2,400 | – | 3,000 | – | 2,500 | – |
| I, mg/kg | 130 | – | 300 | – | 300 | – |
| Se, mg/kg | 34 | – | 36 | – | 36 | – |
| Zn, mg/kg | 7,820 | – | 9,000 | – | 7,500 | – |
| Vitamins, IU/kg | ||||||
| Vitamin A | 473,994 | – | 551,115 | – | 661,387 | – |
| Vitamin D | 117,947 | – | 55,115 | – | 66,139 | – |
| Vitamin E | 5,880 | – | 551 | – | 1,102 | – |
aStockmen’s Supply Repromune Min YC (Stockmen’s Supply, Inc., West Fargo, N.D.). Ingredients: calcium carbonate, monocalcium phosphate, dicalcium phosphate, salt, magnesium oxide, corn distillers dried grains with solubles, yeast culture, vitamin A acetate, vitamin D3 supplement, vitamin E supplement, cobalt carbonate, potassium sulfate, magnesium sulfate, basic copper chloride, copper sulfate, ethylenediamine dihydriodide, manganese sulfate, sodium selenite, zinc sulfate, vegetable and animal fat (preserved with BHT).
bCHS 12-6+ Research Mineral (CHS, Inc., Sioux Falls, S.D.). Ingredients: Monocalcium phosphate, dicalcium phosphate, salt processed grain byproducts, calcium carbonate, magnesium oxide, zinc sulfate, manganese sulfate, basic copper chloride, ethylenediamine dihydriodide, cobalt carbonate, sodium selenite, mineral oil, yeast culture, calcium silicate, calcium salts of long chain fatty acids, silicon dioxide, vitamin A supplement, vitamin D3 supplement, vitamin E supplement, natural and artificial flavors added.
cCHS Ultramin 12-12+ Mineral (CHS, Inc., Sioux Falls, S.D.). Ingredients: Monocalcium phosphate, dicalcium phosphate, processed grain byproducts, calcium carbonate, magnesium oxide, salt, yeast culture, mineral oil, zinc amino acid complex, manganese amino acid complex, copper amino acid complex, zinc sulfate, manganese sulfate, basic copper chloride, ethylenediamine dihydriodide, cobalt carbonate, sodium selenite, natural and artificial flavors added, vitamin A supplement, vitamin D3 supplement, vitamin E supplement, calcium silicate, calcium salts of long chain fatty acids, silicon dioxide.