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Copyright, ii
Preface, v
Part One. The Place of Animals and Animal Science in the Lives of Humans, 1
Chapter 1. Introduction to the Animal Sciences, 3
Learning Objectives, 3
Key Terms, 3
Introduction, 3
Animal Science Specialties, 5
Animal Distribution, 6
Contributions of Animals to Humanity, 6
Food Source, 6
Other Uses, 11
The Future of Livestock Production, 13
Summary and Conclusion, 15
Study Questions, 15
References, 16
Chapter 2. The Value of Animals to Humanity, 18
Learning Objectives, 18
Key Terms, 18
Introduction, 19
The Food Uses of Agricultural Animals, 19
Red Meat and Poultry Production, 19
Edible Slaughter By-Products, 21
Milk and Milk Products, 22
Poultry and Eggs, 23
Miscellaneous Food Uses, 24
The Value of Animal Products in the Human Diet, 24
The Nonfood Uses of Agricultural Animals, 26
Body Coverings, 26
Power Sources, 30
Body Wastes, 30
Pest and Weed Control, 31
Storage of Capital and Food, 33
Cultural Uses, 33
Nonfood or Inedible Slaughter By-Products, 35
Human Health Research, 36
Income, 36
Conservation, 36
Summary and Conclusion, 37
Study Questions, 37
References, 39
Chapter 3. Factors Affecting World Agricultural Structure, 40
Learning Objectives, 40
Key Terms, 40
Introduction, 40
Adaptation, 41
Artificial Environments, 42
Adaptive Changes, 44
Climatic Environments of the World, 45
Tropical Climates, 45
Deserts, 47
Cold Environments, 49
Temperate Climates, 49
Social and Cultural Differences, 49
Religion, 51
Levels of Economic Development, 53
Levels of Agricultural Development, 56
Economic Institutions and Agricultural Development, 58
Summary and Conclusion, 60
Study Questions, 60
References, 61
Chapter 4. Worldwide Systems of Agricultural Production, 62
Learning Objectives, 62
Key Terms, 62
Introduction, 62
Nomadism and Transhumance, 64
Shifting Cultivation and Rudimentary Sedentary Tillage, 66
Paddy Rice Farming, 67
Peasant Grain, Tuber, and Livestock Farming, 68
Ranching, 69
Commercial Crop and Livestock Farming, 71
Commercial Livestock Finishing, 71
Commercial Dairy Farming, 72
Commercial Grain Farming, 73
Mediterranean Agriculture, 73
Market Gardening, 74
Commercial Plantation, 74
Urban Agriculture, 75
Developed versus Subsistence Agriculture, 76
Comparison of the Livestock Industry in the Developed and the Developing Countries, 76
Summary and Conclusion, 78
Study Questions, 78
References, 78
Part Two. The Biological Sciences of Animal Science, 81
Chapter 5. Introduction to Nutrition, 83
Learning Objectives, 83
Key Terms, 83
Introduction, 84
The Nutrients and Their Uses, 85
Body Functions and Nutrient Needs, 87
Feed Analysis, 90
Determining the Value of Feedstuffs to Animals, 93
Nutrient Requirements, 97
Ration Formulation, 102
Sources of Information, 102
Summary and Conclusion, 105
Study Questions, 106
References, 107
Chapter 6. The Gastrointestinal Tract and Nutrition, 108
Learning Objectives, 108
Key Terms, 108
Introduction, 109
Classification of Digestive Systems, 109
An Overview of the Steps of Digestion, 111
Digestion in the Pig, 114
Digestion in the Ruminant, 116
The Fermentation Process, 119
Advantages and Disadvantages of the Ruminant System, 120
Digestion in the Avian, 120
Digestion in the Horse, 122
Summary and Conclusion, 124
Study Questions, 124
References, 125
Chapter 7. Feedstuffs Classification, 127
Learning Objectives, 127
Key Terms, 127
Introduction, 127
Feedstuff Categories, 128
Dry Forages and Roughages, 128
Pasture, Range Plants, and Green Forages, 128
Silages, 129
Energy Feeds, 133
Protein Supplements, 137
Mineral and Vitamin Supplements, 141
Nonnutritive Additives, 141
Summary and Conclusion, 145
Study Questions, 146
References, 146
Chapter 8. Genetics, 147
Learning Objectives, 147
Key Terms, 147
Introduction, 148
The Gene, 149
Principles of Inheritance, 152
Mitosis and Meiosis, 154
Mitosis, 154
Meiosis, 155
Gene Expression, 156
Dominant and Recessive Expression, 156
Codominance, 157
Incomplete Dominance, 158
Epistasis, 158
Multiple Alleles, 159
Testcrossing, 159
Sex-Related Inheritance, 159
Sex-Linked Inheritance, 159
Sex-Influenced Inheritance, 160
Sex-Limited Traits, 160
Population Genetics, 160
Gene Frequency, 160
Animal Breeding and Population Genetics, 160
Mutation and Genetic Drift, 161
Migration and Selection, 161
Quantity versus Quality Traits, 162
Qualitative and Quantitative Traits, 162
Heritability, 163
Systems of Mating, 164
Biotechnology and Genetic Engineering, 165
Summary and Conclusion, 167
Study Questions, 167
References, 169
Chapter 9. Animal Breeding, 170
Learning Objectives, 170
Key Terms, 170
Introduction, 171
Beef Cattle Genetic Improvement, 171
Heritability, 172
Genetic Correlations, 173
Performance Information, 174
Genetic Evaluation, Breeding Value, and Expected Progeny Difference, 176
Growth Trait EPDs, 177
Breed Average EPD and Base Year, 177
Accuracy, 178
Possible Change, 178
Sire Summaries, 178
Maternal Trait EPDs, 179
Milk EPD, 180
Combined Maternal EPD, 180
Use of EPDs, 182
Dairy Cattle Genetic Improvement, 186
Heritability Estimates, 186
Associations Among Traits, 186
Goal Setting and Trait Emphasis, 188
Genetic Evaluation Procedures, 189
Sire Selection, 190
Swine Genetic Improvement, 193
Performance Information, 193
Genetic Parameters, 194
Breeding Value and Expected Progeny Difference, 194
Swine Breeds, 195
Stages, 196
Sheep Genetic Improvement, 198
Breed and Breed Types, 198
Selection, 199
National Sheep Improvement Program (NSIP), 200
Heterosis in Sheep Breeding, 202
Summary and Conclusion, 203
Study Questions, 203
References, 205
Chapter 10. Biotechnology and Genetic Engineering, 207
Learning Objectives, 207
Key Terms, 207
Introduction, 208
Genetic Engineering, 209
Gene Map, 210
Monoclonal Antibodies, 213
Gene Therapy, 213
Cloning, 215
Micropropagation, 217
Current and Potential Uses of Biotechnology and/or Genetically Engineered Organisms, 217
Applications of Biotechnology, 218
Biotechnology in Waste Management, 222
Regulation of Genetically Engineered Products, 222
Societal Concerns, 223
Summary and Conclusion, 224
Study Questions, 225
References, 226
Chapter 11. Animal Reproduction, 227
Learning Objectives, 227
Key Terms, 227
Introduction, 228
Puberty, 228
Endocrinology, 230
Anatomy, 232
Female, 232
Male, 235
Pregnancy, 237
Parturition, 239
Environmental Influences on Reproduction, 241
Technology and Reproduction, 242
Artificial Insemination, 242
Estrous Synchronization, 244
Embryo Transfer, 244
”In Vitro” Fertilization, 246
Reproduction in Poultry and Birds, 246
Hen, 246
Cock, 248
Summary and Conclusion, 249
Study Questions, 249
References, 251
Chapter 12. Lactation, 252
Learning Objectives, 252
Key Terms, 252
Introduction, 253
Mammary Gland Development, Anatomy, and Function, 253
Components of Milk, 256
Carbohydrates, 256
Protein, 257
Lipids, 258
Calcium, 259
Other Factors in Milk Production, 260
Summary and Conclusion, 261
Study Questions, 262
References, 263
Chapter 13. Animal Behavior, 264
Learning Objectives, 264
Key Terms, 264
Introduction, 265
Areas of Study in Animal Behavior, 266
Communication, 266
Aggression and Social Structure, 267
Biological Rhythms and Sleep, 267
Sexual Behavior, 267
Maternal Behavior, 267
Development of Behavior, 268
Learning, 268
Ingestive Behavior: Food and Water Intake, 268
Behavioral Disorders, 269
Livestock Behavior, 269
Temperament, 269
Training and Habituating Livestock to Handling and Restraint, 271
Effects of Novelty, 272
Vision, 273
Noise, 273
Flight Zone, 274
Herd Animals, 275
Genetic Differences, 276
Handler Dominance, 277
Handling Facility Layout, 278
Improved Handling Practices, 281
Objective Scoring of Handling, 284
Summary and Conclusion, 285
Study Questions, 285
References, 287
Chapter 14. Animal Health, 289
Learning Objectives, 289
Key Terms, 289
Introduction, 290
Disease, 290
Causes of Disease, 291
Describing Disease, 294
Diagnosis of Disease, 294
Veterinary Services Available, 296
Mobile, 296
Drive-in Animal Clinics/Hospitals, 296
Programmed Health Management, 296
Resident Veterinarian, 297
Diagnostic Services, 297
The Body’s Defense against Disease, 298
Herd Health, 299
Management, 299
Nutrition, 299
Genetics, 299
Prevention, 300
Animal Disease and Human Well-Being, 301
Emotional Loss, 301
Animal Disease and Human Health, 301
Animal Disease and National Economies, 303
Animal Disease and Farm Income, 303
Bioterrorism, 304
Regulatory Animal Medicine, 304
Federal Regulation, 305
State Regulation, 309
Accredited Veterinarians, 309
United States Animal Health Association (USAHA), 310
Organizations, 310
Summary and Conclusion, 310
Study Questions, 311
References, 312
Part Three. The Animal Industries, 313
Chapter 15. Market Coordination in the Beef, Pork, and Poultry Industries, 315
Learning Objectives, 315
Key Terms, 315
Introduction, 315
Vertical Integration Definition, 315
Vertical Coordination Motives, 316
Current State of Vertical Integration, 317
Production Characteristics: Beef, Pork, and Poultry, 318
Biological Production Cycle, 318
Genetic Base, 319
Industry Stages, 320
Geographic Concentration in Production, 320
Operation Size and Specialization, 320
Market Factors Enhancing Coordination, 321
Value-Added Products at Retail, 322
New Product Development, 323
Brand Marketing, 324
Vertical Coordination Limitations, 325
Capital, 325
Risk, 326
Control of Quantity, Quality, and Consistency, 327
Management Skills Needed, 328
Summary and Conclusion, 328
Study Questions, 329
References, 329
Chapter 16. Beef Cattle, 330
Learning Objectives, 330
Key Terms, 330
Scientific Classification of Cattle, 331
The Place of the Beef Cattle Industry in U.S. Agriculture, 331
Purpose of the U.S. Beef Cattle Industry, 332
Historical Perspective, 333
Structure of the Beef Industry, 335
Geographic Location of Beef Cattle in the United States, 339
Genetics and Breeding Programs, 342
Breeds, 343
Reproductive Management in Beef Cattle, 347
Nutrition in Beef Cattle, 348
Beef’s Nutritional Benefits to Humans, 350
Trends and Factors That Will Influence the Beef Industry in the Future, 351
Consumption, 351
Exports, 354
Technology, 354
Food Safety, 355
Environmental Concerns, 356
Organic and Natural Production, 357
Ethanol, 357
Industry Structure, 358
Industry Organizations, 359
Summary and Conclusion, 360
Study Questions, 361
References, 362
Chapter 17. Dairy Cattle, 363
Learning Objectives, 363
Key Terms, 363
Scientific Classification of Cattle, 364
The Place of the Dairy Cattle Industry in U.S. Agriculture, 364
Purpose of the Dairy Cattle Industry in the United States, 365
Historical Perspective, 367
Structure and Geographic Location of the Dairy Industry, 368
Dairy Herd Improvement Association (DHIA), 373
Genetics and Breeding Programs, 373
Breeds, 374
Reproductive Management in Dairy Cattle, 377
Nutrition in Dairy Cattle, 379
Herd Health Program, 385
Bovine Somatotropin (BST), 386
Nutritional Benefits of Milk to Humans, 387
Trends in the Dairy Industry and Factors That Will Influence the Industry in the Future, 388
Restructuring, 388
Policy, 389
Technology, 389
Consumption, 390
Food Safety, 394
Industry Organizations, 394
Summary and Conclusion, 396
Study Questions, 397
References, 397
Chapter 18. Poultry, 399
Learning Objectives, 399
Key Terms, 399
Scientific Classification of Poultry, 400
The Place of Poultry in U.S. Agriculture, 400
Purpose of the Poultry Industry in the United States, 404
Historical Perspective, 405
Domestication, 405
Early Use in the United States, 405
Eggs, 407
Genetics, 407
Chicks, 408
Integration, 408
Structure and Geographic Location of the Poultry Industry, 409
The U.S. Broiler Industry, 410
The U.S. Egg Industry, 411
The U.S. Turkey Industry, 415
The U.S. Duck, Goose, and Other Poultry Industries, 416
Genetics and Breeding Programs, 417
Breeds, Varieties, and Strains of Poultry, 418
Poultry Breeds, 419
Chicken Breeds in Modern Production, 419
Turkey Breeds, 420
Duck and Goose Breeds, 421
Reproductive Management in Poultry, 421
Breeder Flock Management, 421
Mating Systems, 422
Selection and Care of Eggs, 422
Egg Storage, 422
Incubators, 423
Testing for Fertility, 423
Nutrition in Poultry, 423
Flock Health Management, 424
The National Poultry Improvement Plan, 426
Nutritional Benefits of Poultry to Humans, 426
Trends in the Poultry Industry and Factors That Will Influence the Industry in the Future, 427
Turkey Consumption and Production, 427
Broiler Consumption and Production, 427
Egg Consumption, 429
All-Natural and Organic Production, 431
Food Safety Concerns, 431
Integration and Consolidation, 433
Technological Innovation and Standardization, 433
Waste Disposal, 433
Biotechnology, 434
Animal Welfare, 434
Avian Influenza (Bird Flu), 435
Industry Organizations, 435
Summary and Conclusion, 437
Study Questions, 438
References, 439
Chapter 19. Swine, 441
Learning Objectives, 441
Key Terms, 441
Scientific Classification of Swine, 442
The Place of the Swine Industry in U.S. Agriculture, 442
Purpose of the Swine Industry in the United States, 442
Historical Perspective, 444
Structure of the Swine Industry, 445
Geographic Location of Swine in the United States, 450
Genetics and Breeding Programs, 451
Breeds, 452
Swine Breeding Programs, 453
Reproductive Management in Swine, 458
Gilts, 458
Sows, 458
Estrus Detection, 458
Farrowing Management, 458
Boars, 459
Artificial Insemination in Swine, 459
Record Keeping, 459
Nutrition in Swine, 460
Feeding Practices, 461
Herd Health Management, 463
Biosecurity, 464
Nutritional Benefits of Pork to Humans, 465
Trends in the Swine Industry and Factors That Will Influence the Industry in the Future, 465
Pork Consumption, 465
Nutrition and Health Consciousness, 466
Convenient Foods, 466
Food Safety Concerns, 467
Last Stages of Restructuring-Consolidation, 467
Technological Innovation and Standardization, 467
Waste Disposal, 468
Biotechnology, 469
Foreign Competition/Trade, 470
Animal Welfare/Animal Rights, 470
Work Force, 470
Industry Organizations, 471
Summary and Conclusion, 472
Study Questions, 473
References, 474
Chapter 20. Sheep and Goats, 475
Learning Objectives, 475
Key Terms, 475
Scientific Classification of Sheep and Goats, 476
The Place of the Sheep and Goat Industries in U.S. Agriculture, 476
Purpose of the Sheep and Goat Industries in the United States, 478
Historical Perspective, 480
Structure of the Sheep and Goat Industries, 483
Sheep, 483
Goats, 484
Dairy Sheep, 484
Geographic Location of Sheep and Goats in the United States, 487
Sheep, 487
Goats, 489
Selection and Breeding Programs, 492
Sheep, 492
Goats, 495
Breeds, 495
Sheep, 495
Goats, 500
Reproductive Management, 501
Sheep, 501
Goats, 503
Nutrition, 503
Sheep, 503
Goats, 504
Nutritional Benefits of Lamb and Goat Meat to Humans, 505
Nutritional Benefits of Goat Milk to Humans, 506
Trends in the Sheep and Goat Industries and Factors That Will Influence the Industries in the Future, 506
Consumption, 506
Industry Size and Structure, 508
Environmental Concerns, 508
Technology, 508
Industry Organizations, 509
Summary and Conclusion, 511
Study Questions, 512
References, 513
Chapter 21. Horses, 514
Learning Objectives, 514
Key Terms, 514
Scientific Classification of Horses, 515
The Place of Horses in the United States, 515
Purpose of the Horse Industry in the United States, 516
Historical Perspective, 518
Structure and Geographic Location of the Horse Industry, 520
Horse Genetics, 523
Basic Coat Colors, 525
Diluting Genes, 527
Roan, 528
Leopard, 528
Spotting, 528
Flaxen Mane and Tail, 529
Additional Common Markings, 530
Genetic Diseases in Horses, 530
Breeds of Horses, 530
Draft Horses, 532
Imported Light Breeds, 532
Breeds of Horses Developed in the United States, 532
Breed Popularity, 534
Reproductive Management, 535
Nutrition and Feeding of Horses, 538
Trends in the Horse Industry and Factors That Will Influence the Industry in the Future, 546
Education and Research, 546
Competition, 548
New Owners, 548
Safety Concerns, 548
West Nile Virus, 549
Social Issues, 549
Technological Innovation, 550
National Animal Identification System, 550
Industry Organizations, 550
Summary and Conclusion, 554
Study Questions, 554
References, 555
Chapter 22. Aquaculture, 557
Learning Objectives, 557
Key Terms, 557
The Place of Aquaculture in U.S. Agriculture, 558
The Purpose of the Aquaculture Industry, 560
Worldwide Importance of Aquaculture, 560
Historical Perspective, 563
The Place of Aquaculture in U.S. Agriculture, 563
Catfish, 566
Trout, 566
Tilapia, 568
Crawfish, 568
Salmon, 570
Mollusks, 570
Ornamental Fish, 570
Types of Aquaculture Systems, 570
Aquaculture Life Cycles, 571
Genetics, 572
Nutrition of Aquatic Species, 572
Nutritional Benefits of Fish to Humans, 573
Trends Affecting Aquaculture, 574
Species, 574
Technology, 574
Structural Changes, 575
Constraints to Expansion, 575
Consumption Patterns, 576
Disease Control, 576
Environmental Concerns, 576
Predator Loss, 577
Culture of Aquatic Species, 577
Farm-Raised Catfish, 577
Production Process, 577
Feeding, 578
Water Quality, 578
Disease Management, 578
Harvest and Marketing, 578
Consumer Demand, 579
Quality Assurance, 580
Freshwater Prawns Pond Production and Grow-Out, 580
Site Selection and Pond Design, 581
Stocking of Juveniles, 582
Feeding, 582
Water Quality Management, 582
Nitrogen Compounds, 583
pH, 583
Diseases, 584
Harvesting, 584
Polyculture and Intercropping, 584
Processing and Marketing, 585
Reproduction of Angelfish (Pterophyllum Scalare), 585
Water Quality, 586
Nutrition, 586
Spawning, 587
Diseases, 589
Conclusions, 589
Sources of Information, 590
Study Questions, 590
References, 591
Chapter 23. Pet and Companion Animals, 592
Learning Objectives, 592
Key Terms, 592
The Place of Pet and Companion Species in the United States, 592
Purpose of the Pet and Companion Animals Industry, 595
Pets and Companion Animals Defined, 595
Value of Pets, 603
Historical Perspective, 604
Geographic Location, 608
Genetics and Breeding Programs, 610
Breeds of Dogs, 611
Breeds of Cats, 614
Breeds of Other Pet Species, 615
Reproductive Management, 615
Nutrition of the Pet Species, 618
Product Name, 619
Net Quantity Statement, 621
Nutritional Adequacy Statement, 622
Feeding Directions, 622
Calorie Statement, 622
Other Label Claims, 623
Trends in the Pet Industry, 624
Humanizing the Pet, 624
Pet Population, 624
Registered Animals, 627
Pet Foods, 628
Nutrition, 629
Veterinary Expenditures, 629
Mini-Trends, 630
Industry Organizations, 630
Summary and Conclusion, 633
Study Questions, 633
References, 634
Chapter 24. Lamoids, 635
Learning Objectives, 635
Key Terms, 635
Scientific Classification of Camelids, 635
The Place of Lamoids in the United States, 637
The Purpose of the Llama and Alpaca Industries, 638
History of the Llama in the United States, 640
Geographic Distribution, 640
Physical Description, 641
Camelidae, 641
Lamoids, 641
Genetics and Breeds, 642
Health Care, 642
Reproduction, 643
Rearing the Cria, 645
Nutrition and Feed Use, 647
Lamoid Feeding, 649
Behavior, 652
Trends and Challenges to the Llama Industry, 655
Research Needs, 655
Educational Needs, 655
Health Care, 655
Standard of Perfection, 655
Llama Organizations, 655
Summary and Conclusion, 656
Study Questions, 657
References, 658
Chapter 25. Rabbits, 660
Learning Objectives, 660
Key Terms, 660
Scientific Classification of the Rabbit, 660
The Place and Purpose of Rabbits in the United States, 661
Historical Perspective, 664
Geographic Location of the Rabbit Industry in the United States, 664
The Structure of the Rabbit Industry, 665
The Rabbit Fancy, 665
Commercial Meat Production, 665
Laboratory Specimen Production, 665
Breeding Stock Production, 666
Angora Production, 666
Equipment and Supplies, 666
Breeds and Genetics, 666
Reproductive Management, 667
Nutrition, 669
Health Program, 671
Nutritional Value of Rabbit Meat to Humans, 672
Trends and Factors in Rabbit Production, 673
Advantages of Commercial Rabbit Production, 673
Disadvantages of Commercial Rabbit Production, 673
Income, 673
Management, 674
Organizations and Sources of Information, 674
Summary and Conclusion, 674
Study Questions, 676
References, 676
Part Four. Animals and Society, 679
Chapter 26. Careers and Career Preparation in the Animal Sciences, 681
Learning Objectives, 681
Key Terms, 681
Introduction, 681
Animal Science Studies and Careers, 688
Production, 688
Science and Medicine, 689
Foods, 691
Agribusiness, 692
Communication and Education, 693
Animal Caretakers, 693
International Opportunities, 695
Trends Affecting Employment, 696
A Job, a Career, a Lifetime: What Are You Deciding When You Choose a Career and a Major?, 697
Summary and Conclusion, 699
Study Questions, 699
References, 700
Chapter 27. Animals as Consumers of Grain: Asset or Liability?, 701
Learning Objectives, 701
Key Terms, 701
Introduction, 701
The “No Animal” Argument, 703
The Argument Favoring Animal Grain Consumption, 703
Judicious Use of Grain to Animals, 703
Food versus Feed, 705
Nutrition, 706
Productive Ability of Land, 706
Consumer Preferences, 708
Other Products, 708
Animals and Soil Fertility, 708
Power, 708
Summary and Conclusion, 710
Study Questions, 710
References, 711
Chapter 28. Food Safety and Consumer Concerns, 712
Learning Objectives, 712
Key Terms, 712
Introduction, 713
History of Food Safety as a Public Issue, 713
Importance of Food Safety to Consumers, 715
Preventing Foodborne Illnesses, 718
Some Important Microbial Pathogens Associated with Foodborne Illness, 719
Bacteria, 720
Parasitic Protozoa, 722
Viruses, 722
Governmental Agencies and Food Safety, 723
The Role of the FDA, 724
The Role of FSIS, 724
Responsibilities of the Federal Agencies, 726
Changes in FSIS, 726
Hazard Analysis and Critical Control Points (HACCP), 728
The Seven HACCP Principles, 728
Additional Changes at FSIS and Other Food Safety Initiatives, 729
The Bioterrorism Act of 2002, 729
Ensuring Safety of the Milk Supply, 730
Other Issues of Concern to Consumers, 730
Bovine Somatotropin, 731
Hormones, 732
Antibiotics, 732
Food Irradiation, 733
Mad Cow Disease, 734
Genetically Engineered Products, 735
Sources of Information, 735
Summary and Conclusion, 736
Study Questions, 736
References, 737
Chapter 29. Animal Welfare and Animal Rights, 739
Learning Objectives, 739
Key Terms, 739
Introduction, 739
Animal Rights versus Animal Welfare, 744
Philosophy, History, and Legislation, 748
Animal Welfare/Animal Rights Groups, 748
Animal Rights Issues Present and Future, 750
Defining and Measuring Animal Welfare, 751
Sources of Information, 756
Suggested Readings, 756
Summary and Conclusion, 757
References, 758
Chapter 30. Animals in Sustainable Agriculture, 760
Learning Objectives, 760
Key Terms, 760
Introduction, 760
What Is Sustainable Agriculture?, 762
Practices That Are Part of Sustainable Farming, 764
The Systems Philosophy, 765
Animals in Sustainable Agricultural Systems, 766
Monoculture, 770
Sources of Information, 773
Summary and Conclusion, 774
Study Questions, 777
References, 778
Appendixes, 781
Glossary, 799
Index, 819
Endpaper, EP-1

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