zinc

Effects of zinc, copper and selenium supplementation on the humoral immune system of weaned steers

Technical paper
Issue Date: 
1990
Chapter Name: 
Series/Report #: 
9219
Publisher: 
Oregon Agricultural Experiment Station
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Soil ingestion by cattle on semiarid range as reflected by Titanium analysis of feces

Paper
Issue Date: 
1975
Chapter Name: 
Vol. 28, No. 6
Publisher: 
Journal of Range Management
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