TY - JOUR AU - Weir, W. C. AU - Shippey, R. A. AU - Bell, F. L. AU - Maxwell, L. V. AU - Torell, D. T. TI - Cobalt bullets JF - California Agriculture JO - Calif Agr Y1 - 1961/12/01 VL - 15 IS - 12 SP - 15 EP - 15 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v015n12p15 AB - Cobalt supplements in the form of “bullets” did not significantly improve sheep gains in a series of tests conducted in five northern California counties.