Contents 1 Summary 2 Background 3 Lipid Metabolism in the Dairy Cow 4 Biology of Milk Fat Depression 5 Dietary and Management Factors Impacting Milk Fat Concentration and Yield 5.1 Alteration of the ruminal environment 5.2 Rumen unsaturated fatty acid load (RUFAL) 6 Author Information 7 References

Summary

• Low milk fat percentage and yield are important economic issues to dairy farms across North America.
• Available evidence indicates

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Contents 1 Introduction 2 Antioxidant Systems 3 Mastitis and Antioxidants 4 Antioxidants and Milk Flavor 5 NRC 2001 Requirements for Trace Minerals and Vitamins 6 Recommended Dietary Concentrations 7 Author Information 8 References

Introduction

Milk quality is usually defined in terms of mastitis. Milk with a low somatic cell count (SCC) that is visibly normal (no clots) is considered high quality. Although these measures are clearly important, …