Sykes Andrew, R2012-04-052011-06https://hdl.handle.net/10182/4399This paper summers following questions: 1. What does a high producing cow really need? 2. Realistic costs of minerals. 3. Are chelated products really necessary? 4. Testing regime. How often and how much should we spend? 5. Do young stock require anything different?en© 2008 by South Island Dairy Event (SIDE)dairy cowsmineral nutritiontrace elementssupplementsConference Contribution - published