Table 3. Three basic formulas of Wind & Rain mineral products manufactured by Purina. Contents
Units Calcium %
Phosphorus % Sodium1
%
Magnesium % Potassium Copper Zinc
%
Manganese Selenium Iodine Cobalt
Vitamin A Vitamin D Vitamin E
mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg IU/kg2 IU/kg IU/kg
Texas All Season 7.5 Complete
15
7.5 20 1 1
2,500 7,500 4,000 27 60 12
150,000 15,000 150
14 12 24 1 1
2,500 7,500 4,000 27 60 12
150,000 15,000 150
Texas All Season 12 Complete
Hi-Magnesium Complete
14 4
18 10
0.1
1,200 3,600 3,600 27 60 12
75,000 7,500 75
1 Sodium indicates salt content. 2 IU stands for International Units; it is used for the measurement of drugs and vitamins. IU is a quantity of a biologic (such as a vitamin) that produces a particular biological effect agreed upon as an international standard.
ducers should watch consumption in these situations. Purina offers 4 options for their Texas All Season
7.5 Complete mineral. There is the mineral product without additives, Texas All Season 7.5 Complete AUS600 containing CTC, Texas All Season 7.5 Complete ALT with Altosid, and Texas All Season 7.5 Complete AUS-ALT that contains both additives. The above mentioned additives have been re-
searched and proven effective. There is also a long list of additives used in minerals that are not well- researched or have limited or no benefi ts. Be cautious of unsubstantiated claims and selective reporting of research. Benefi ts derived from many of the unproven additives are not great enough to justify the added cost.
What do I need in a mineral mix? Mineral requirements vary by geographical regions
and forage systems. In dormant forages on native range, most mineral concentrations degrade over time. This is especially true with phosphorus and potassium. It is possible to address these losses with a protein and energy supplement. Phosphorus is easily replaced, but it is hard to fi nd a protein/energy supplement with enough potassium. If the supplement is bought in bulk, the supplier might add extra potassium. On green forage, potassium defi ciency is not a problem. Phosphorus intake from 2 types of mineral mixes
Products are targeted at either 2 or 4 ounces per day, with most formulas designed for 4-ounce consumption.
manufactured by ADM is compared in Table 4. Their higher phosphorus, lower calcium product has a ratio of 15:4, which means it contains 15 percent calcium and 4 percent phosphorus. With a targeted daily in- take of 1/4 pound mineral, the cow will consume 4.5 grams of phosphorus. The similar Ca and P level product has a ratio of 12:9 (12 percent Ca and 9 per- cent P) from which a cow will receive 10.2 grams of phosphorus daily. Changing to a mineral mix with more phosphorus
usually results in lower daily consumption. As shown in Table 4, it is assumed that substituting a 12:9 min- eral for a 15.4 mix will reduce daily consumption to 1/8 pound. This reduced consumption brings the phosphorus intake back down to approximately fi ve grams. It is hard to estimate how much a mineral with
72 The Cattleman July 2016
thecattlemanmagazine.com
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