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CONTENTS
3.3.12 Stocking Rate, Stocking Density, Dry Sheep Equivalent! and Sheep Production 58
3.4 Estimating the Digestibility and Total Quantity of Peed on Offer in Grazed Pastures 60 3.4.1 Assessing Herbage Mass( Or Feed on Offer) in Pastures 61
3.5 Supplementation of Grazing Sheep 63
3.5.1 Cost of Supplements 64 3.5.2 Deciding the Level of Supplementation 64
3.6 Deleterious Compounds Found in Common Pasture Forages and Invasive Weeds of Pastures 69
3.7 Recommended Additional Resources 69 3.7.1 Decision Making in Grazing Sheep Enterprises 69 3.7.2 Drought Feeding Guide 70
References 70
CHAPTER 4
CLINICAL ASPECTS OF TRACE ELEMENT AND VITAMIN NUTRITION Kym A Abbott
4.1 Copper( Cu) 4.1.1 Physiology 4.1.2 Dietary Sources of Copper 4.1.3 Clinical Signs of Copper Deficiency 4.1.4 Subclinical Copper Deficiency 4.1.5 Seasonal Variations in Copper Availability
4.1.6 |
Clinical Pathology and Confirmation of Deficiency |
4.1.7 |
Treatment and Prevention of Deficiency |
4.2 Cobalt and Vitamin B12 4.2.1 Physiology 4.2.2 Dietary Sources of Cobalt
4.2.3 |
Pathophysiology of Cobalt Deficiency |
4.2.4 |
Clinical and Subclinical Outcomes of Deficiency |
4.2.5 |
Clinical Pathology and Confirmation of Deficiency |
4.2.6 Treatment and Prevention of Deficiency |
4.3 |
Selenium |
4.3.1 Introduction 4.3.2 Physiology 4.3.3 Dietary Requirements for Selenium 4.3.4 Seasonal Variation in Selenium Nutrition
73
73 73 74 75 75 75 77 77 77 78 78 79 79 80 81 81 82 83 84