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Three Things to Look For in Your Cattle Mineral
“N
OT ALL MINERALS ARE CREATED EQUAL, AND IT’S IMPORTANT TO RECOGNIZE THE differences in minerals that are out there,” says Dr. Greg Eckerle,
beef technical consultant with Purina Animal Nutrition. “Even though mineral nutrition is complicated, you can easily evaluate or ask questions about a few different elements of a mineral supplement.”
Balanced mineral nutrition A complete mineral should contain the proper balance and ratios of all
14 essential cattle minerals. Those minerals are calcium, copper, cobalt, iodine, iron, magnesium, manganese, molybdenum, phosphorus, potas- sium, selenium, sodium, sulphur and zinc. “A proper zinc-to-copper ratio is one of the biggest considerations when
choosing a mineral, with a ratio of 3-to-1 being preferable,” says Eckerle. Zinc and copper are commonly defi cient microminerals in cattle, and the ratio is critical because of how closely zinc and copper absorption are tied.
Policy
Large particle size ingredients and rain protection Rain and other elements can quite literally wash a mineral investment
Conference
down the drain, or can alternately turn your mineral into a brick-type substance which cattle often refuse to eat. But minerals should also be wind resistant, according to Eckerle. “You don’t want the particles to be so small that the wind picks them
up and blows them away. “The biggest drawback of a non-weather resistant mineral is that cattle
just aren’t going to consume it. Daily mineral needs to be consumed, and if you’re not seeing consumption because the mineral has been turned into a hard block or because the particles are being blown away, then your investment is a loss,” he says.
Organic, bioavailable mineral sources The bioavailability of a mineral source alters the absorptive ability of
the trace minerals eliciting their full benefi t. “Mineral sources that are more bioavailable may be a bit more costly,
September 23-25
San Antonio Westin Riverwalk
22 The Cattleman June 2015
but they can be a good fi t for herds with marginal trace mineral status, consistent reproduction issues, overall herd health problems, foot problems or in areas with forage or water issues,” says Eckerle. Some key trace minerals that you might look to for bioavailability are
zinc, manganese, copper and cobalt. These minerals are required for a variety of functions including, but not limited to, immunity, reproduction, growth and fi ber digestion.
thecattlemanmagazine.com
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