Sheep Veterinary Practice - Tabla de Contenido | Página 3

CONTENTS VÜ
2.7.7
Inhumane Methods
32
2.7.8
Confirming Death
32
2.7.9
Further Resources on
Humane Killing
32
2.8
Assessment ofSheep following
Bushfires
33
2.9
Welfare Monitoring and
Record Keeping
34
2.10 Conclusions
34
References
34
CHAPTER 3 ENERGY AND PROTEIN NUTRITION OF GRAZING SHEEP 39 Philip Hynd
3.1 Introduction 39
3.2 Energy and Protein Requirements of Grazing Sheep 39 3.2.1 Ruminant Digestion 39 3.2.2 Estimating the Energy Requirements of Grazing Sheep 41 3.2.3 Maintenance Energy Requirement of Penned Sheep 42 3.2.4 Maintenance Energy Requirement of Actively Grazing Sheep 43 3.2.5 Maintenance Energy Requirements of Cold-Stressed Sheep 43 3.2.6 Metabolisable Energy Requirements for Gestation 44 3.2.7 Metabolisable Energy Requirements for Lactation 44
3.2.8 Guidelines for Managing Pregnant Ewes to Ensure High Rates of Lamb Survival and Lamb Growth to Weaning 45
3.2.9 Metabolisable Energy Requirements for Growing Weaners 46 3.2.10 Protein Requirements of Grazing Sheep 46 3.2.11 Nutrition and Wool Growth 48
3.3 Nutrition and Management of Grazing Sheep for Good Health and Production 50
3.3.1 Nutrient Supply from Pastures in Mediterranean and Cool Temperate Climates 50
3.3.2 Matching Energy Demand with Energy Supply from Pastures 51 3.3.3 Relative Feeding Value of Legumes versus Grasses 51
3.3.4 Why Do Legumes Support Higher Levels of Animal Production than Grasses? 51
3.3.5 Nutrient Supply from Pastures in Subtropical Climates 52 3.3.6 Feeding Behaviour of Grazing Animals 52 3 3.7 Grazing and Pasture Management for Sheep Production 53 3.3 8 Pasture Growth Rate and Phases of Plant Growth 53
3.3 9 Relationships between Herbage Mass. Nutritive Value of Pasture and Energy Intake in Sheep 54
3.3 10 Effect of Diet Selection on Pasture Growth 56 3.3 11 Grazing Management to Optimise Sheep Production per Hectare 56