Introduction to the Fourth Edition.
List of Abbreviations.
1 The Digestive System.
The stomach and small intestine.
The large intestine.
2 Utilization of the Products of Dietary Energy and Protein.
Carbohydrate, fat and protein as sources of energy, and the hormonal regulation of energy.
Protein requirements for maintenance.
Laminitis and energy intake.
3 The Roles of Major Minerals and Trace Elements.
4 Vitamin and Water Requirements.
Water requirements and fluid losses.
5 Ingredients of Horse Feeds.
Functions of hay and use of other bulky feeds.
Other lesser ingredients and by-products.
Pre- and pro-biotics.
Dietary vitamin and mineral supplements.
Natural and contaminant toxicants in feeds.
6 Estimating Nutrient Requirements.
Relationship of capacity for feed to body weight.
Concentrates and roughages.
Digestible energy, protein and mineral requirements based on NRC (2007) recommendations.
Ration formulation using the DE and NE systems.
Energy and protein requirements based on INRA feed units.
Energy, protein, mineral and micronutrient feed values as determined by the INRA system.
Simple ration formulation.
Feed type, rate of intake, appetite, frequency and processing.
Shelf-life of feeds, feed contaminants and government regulations.
7 Feeding the Breeding Mare, Foal and Stallion.
The oestrous cycle and fertility.
Feeding the orphan foal.
Birth weight and early growth.
Later growth and conformational changes.
Effects of dietary composition.
Developmental orthopaedic disease.
9 Feeding for Performance and the Metabolism of Nutrients During Exercise.
Work and energy expenditure.
Energy substrates and their expenditure.
Muscle energy reserves and feeding before exercise.
The endocrine system.
The vascular and respiratory systems.
Results of exercise.
Blood acid–base balance.
Dietary base excess and ‘fixed’ dietary cation–anion balance.
Dietary protein requirements and exercise.
10 Grassland and Pasture Management.
Pasture as an exercise area.
Nutritional productivity of pasture.
Nutrients required for pasture growth and development.
Intensity of stocking with horses and ruminants.
Supplements on pasture.
Safety of grazing areas.
Silage and haylage and their safety.
Tropical grassland and forages.
11 Pests and Ailments Related to Grazing Area, Diet and Housing.
Ailments related to diet.
Chronic weight loss.
The mature sick or geriatric horse.
12 Laboratory Methods for Assessing Nutritional Status and Some Dietary Options.
Diets for liver disease.
Diets for kidney disease.
Procedures for determining causes of suspected nutritional problems.
Appendix A Example Calculation of Dietary Composition Required for a 400 kg Mare in the Fourth Month of Lactation.
Appendix B Common Dietary Errors in Studs and Racing Stables.
Appendix C Chemical Composition of Feedstuffs Used for Horses.
Appendix D Estimates of Base Excess of a Diet and of Blood Plasma.
Estimate of BE of a diet from its fixed ion content.
Estimate of BE of blood plasma from its bicarbonate concentration.
References and Further Reading.