Effect of environment on nutrient requirements of domestic animals
| Autor Corporativo: | |
|---|---|
| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
Washington, D.C. :
National Academy Press
1981.
|
| Edición: | 1st ed |
| Materias: | |
| Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009622062906719 |
Tabla de Contenidos:
- Effect of Environment on Nutrient Requirements of Domestic Animals
- Copyright
- PREFACE
- Contents
- INTRODUCTION
- I FARM ANIMALS AND THE ENVIRONMENT
- Animal-Environment Interactions
- THERMAL BALANCE
- EFFECTIVE AMBIENT TEMPERATURE
- THERMAL ZONES
- Environment-Nutrition Interactions
- PARTITIONING OF FEED ENERGY
- DIGESTIBILITY AND METABOLIZABILITY
- Basal Metabolism
- Feed Intake
- DAIRY COWS
- DAIRY HEIFERS
- FEEDLOT CATTLE
- SHEEP
- SWINE
- POULTRY
- Forage-Temperature Interaction on Feed Intake
- TEMPERATURE EFFECTS
- LIGHT INTENSITY
- FORAGE QUALITY
- Water-Environment Interactions
- WATER SOURCES
- WATER LOSSES
- FACTORS AFFECTING WATER INTAKE
- Differences Among Species
- Physiological State
- Frequency of Watering
- Water Temperature
- Air Temperature
- Cattle
- Sheep
- Swine
- Poultry
- Nutritional Efficiency
- II APPROACHES FOR PRACTICAL NUTRITIONAL MANAGEMENT
- Beef Cattle
- INTRODUCTION
- VOLUNTARY FOOD INTAKE
- WATER NEEDS
- NUTRIENT VALUES OF FEEDSTUFFS
- ADJUSTMENTS TO MAINTENANCE ENERGY REQUIREMENT
- Adjustment to Maintenance Energy Requirements for Metabolic Acclimatization
- Adjustment in Maintenance Energy Requirements for Immediate Heat or Cold Stress
- Heat Stress
- Cold Stress
- ADJUSTMENTS TO NONENERGY COMPONENTS
- SUMMARY OF ADJUSTMENTS FOR ENVIRONMENTAL STRESS FOR BEEF CATTLE
- EXAMPLES OF ENVIRONMENTAL INFLUENCES ON NUTRITION OF BEEF CATTLE
- Example 1
- Example 2
- Dairy Cattle
- INTRODUCTION
- THERMAL ZONES FOR DAIRY CATTLE
- FEED INTAKE AND ENERGY REQUIREMENTS DURING COLD STRESS
- Calves
- Heifers (6 Months to First Parturition)
- Lactating Cows
- FEED INTAKE AND ENERGY REQUIREMENTS DURING HEAT STRESS
- Calves
- Heifers
- Lactating Cows
- SUMMARY
- Sheep
- INTRODUCTION
- THERMAL ZONES FOR SHEEP
- ENVIRONMENTAL EFFECTS ON FEED ENERGY INTAKE.
- NUTRIENT DIGESTIBILITY
- ENERGY REQUIREMENT DURING COLD STRESS
- ENERGY REQUIREMENT DURING HEAT STRESS
- THERMAL EFFECTS ON PROTEIN REQUIREMENT OF SHEEP
- ENVIRONMENTAL EFFECTS ON LAMB PERFORMANCE
- MISCELLANEOUS ENVIRONMENTAL FACTORS AFFECTING NUTRITION OF SHEEP
- SUMMARY
- Swine
- INTRODUCTION
- LOWER CRITICAL TEMPERATURE
- COLD STRESS
- HEAT STRESS
- SUMMARY
- Poultry
- INTRODUCTION
- POULTRY ENVIRONMENT
- FEED INTAKE AND NUTRIENT REQUIREMENTS
- EFFICIENCY OF EGG PRODUCTION
- FEED INTAKE
- PERFORMANCE
- ACCLIMATION
- CARCASS COMPOSITION
- NUTRIENT ADJUSTMENTS
- ESTIMATING ME REQUIREMENT FOR LAYING HENS
- WATER
- VITAMIN A
- SUMMARY
- EPILOGUE
- REFERENCES.
