Trace Element Supplementation of Livestock in New Zealand: Meeting the Challenges of Free-Range Grazing Systems

Figure 4

Effect of no treatment (◯) or subcutaneous injection of 3 mg microencapsulated vitamin B₁₂ (about 0.20 mg/kg LW) (■) administered to Co-adequate lambs at docking time on serum vitamin B₁₂ concentrations [23].