Poultry feedstuffs : supply, composition, and nutritive value

Poultry Science Symposium Series......Page 3
CONTRIBUTORS......Page 8
PREFACE......Page 10
PART I Present and future supply of feedstuffs......Page 12
CHAPTER 1 Agronomic and political factors influencing feedstuff use......Page 14
CHAPTER 2 The assessment of the economic value of output traits genetically engineered into crops used in animal feed......Page 26
PART II Nutritional components of feedstuffs: qualitative chemistry......Page 48
CHAPTER 3 Carbohydrate chemistry of the feedstuffs used for poultry......Page 50
CHAPTER 4 Nutritional components of feedstuffs: a qualitative chemical appraisal of protein......Page 68
CHAPTER 5 An appraisal of fats and fatty acids......Page 98
CHAPTER 6 An appraisal of trace elements: inorganic and organic......Page 110
PART III Feedstuff quality: quantitative assessment......Page 120
CHAPTER 7 Digestive processes in poultry from a physiological viewpoint......Page 122
CHAPTER 8 Digestibility and bioavailability of protein and amino acids......Page 126
CHAPTER 9 The quantitative contribution of fat to metabolizable energy......Page 148
CHAPTER 10 The availability of calcium and phosphorus in feedstuffs......Page 162
CHAPTER 11 Vitamins in feedstuffs......Page 192
CHAPTER 12 Energy utilization: measurement and prediction......Page 202
PART IV Factors influencing nutritive value......Page 230
CHAPTER 13 Non-starch polysaccharides: effect on nutritive value......Page 232
CHAPTER 14 Secondary plant metabolites in poultry nutrition......Page 248
CHAPTER 15 Visual and tactile cues perceived by chickens......Page 290
CHAPTER 16 Effects of physical processing on the nutritive value of poultry diets......Page 312
PART V Dietary enzymes......Page 328
CHAPTER 17 The role of carbohydrases in feedstuff digestion......Page 330
CHAPTER 18 The Influence of lipase,  -galactosidase or multi-component pectinase enzymes on energy and amino acid availability in feedstuffs......Page 348
CHAPTER 19 Recent trends and future developments in the use of feed enzymes in poultry nutrition......Page 356
CHAPTER 20 The effects of phytase in poultry nutrition......Page 374
CHAPTER 21 The scientific challenges ahead......Page 386
PART VI Poster abstracts......Page 394
POSTER 1 Variation in lysine excretion among birds in the precision-fed rooster bioassay for digestible amino acids......Page 396
POSTER 2 The influence of phytase on amino acid digestibility in broiler diets......Page 397
POSTER 3 Protein and fat deposition in carcass and organs of young broiler chicks: response to energy and amino acid intake......Page 399
POSTER 4 Effect of the exclusion of synthetic amino acids and potentially GMOcontaining protein sources in vegetable layer diets......Page 401
POSTER 5 Relative egg yolk pigmenting efficiency of apo-ester versus marigold xanthophylls......Page 403
POSTER 6 Regression analysis to assess the bioefficacy of different methionine sources in broiler chickens......Page 405
POSTER 7 The MEN value of wheat cultivars in relation to their chemical and physical parameters......Page 407
POSTER 8 Effects of method and level of inclusion of feed on performance of broilers given a low-AME wheat diet......Page 409
POSTER 9 Effects of heat processing on feed enzymes and on diet characteristics and subsequent broiler performance......Page 411
POSTER 10 Is development of pecking damage in layer pullets influenced by dietary protein source?......Page 413
POSTER 11 Nutritive values of certain agroforestry products for poultry......Page 415
POSTER 12 Amino acid contents of common poultry ingredients of Western India......Page 417
POSTER 13 Influence of polyenzymes on energy and amino acid utilization from Indian feedstuffs by broilers......Page 419
POSTER 14 Effect of methods of analysis and heat treatment on viscosity of wheat, barley and oats......Page 421
POSTER 15 Effects of inorganic phosphates on the quality of eggs and performance in two strains of laying hen......Page 423
POSTER 16 Digestible valine requirement of female Nicholas poults during the period 0–4 weeks post-hatching......Page 424
INDEX......Page 426