Copper, manganese, and zinc source and concentration in free-choice mineral supplements influence production throughout three cow-calf production cycles
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作者:
Farmer, Chance G.
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Selko, Indianapolis, IN USASelko, Indianapolis, IN USA
Farmer, Chance G.
[1
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Engle, Terry E.
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Colorado State Univ, Dept Anim Sci, Ft Collins, CO 80523 USASelko, Indianapolis, IN USA
Engle, Terry E.
[2
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Spears, Jerry W.
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North Carolina State Univ, Raleigh, NC USASelko, Indianapolis, IN USA
Spears, Jerry W.
[3
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Heldt, Jeff S.
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Selko USA, Indianapolis, IN USASelko, Indianapolis, IN USA
Heldt, Jeff S.
[4
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机构:
[1] Selko, Indianapolis, IN USA
[2] Colorado State Univ, Dept Anim Sci, Ft Collins, CO 80523 USA