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Nutrition, An Issue of Veterinary Clinics of North America: Exotic Animal Practice, E-Book

Nutrition, An Issue of Veterinary Clinics of North America: Exotic Animal Practice, E-Book

Jörg Mayer

(2014)

Abstract

Dr. Jörg Mayer has assembled an expert panel of authors on the topic of nutrition in exotic animals. Articles include: Prescription diets for exotic pets, Supplements for exotic pets, Nutrition for reptiles, Nutrition for avians, Nutrition for amphibians, Nutrition for fish, Nutrition for marsupials, Nutrition for rodents, and Nutrition for Rabbits.

Table of Contents

Section Title Page Action Price
Front Cover Cover
Nutrition i
Copyright ii
Contributors iii
Contents v
Veterinary Clinics of North America: Exotic Animal Practice viii
Preface ix
Aquatic Animal Nutrition for the Exotic Animal Practitioner 333
Key points 333
Nutrient requirements for food selection 333
Proteins 333
Fat 334
Carbohydrates 335
Vitamins 335
Minerals 336
Probiotics 336
Color Enhancers 337
Fiber 337
Medicated Feeds 337
Summary and Practical Applications 338
Food selection: other considerations 338
Energy 338
Food Formulations 339
Storage 340
Behavioral Considerations 341
Specific recommendations 342
Koi 342
Tropical Aquarium Fish 343
Marine Invertebrates 344
Elasmobranchs 344
Summary 345
References 345
Updates on Amphibian Nutrition and Nutritive Value of Common Feeder Insects 347
Key points 347
Introduction 347
Amphibian gastrointestinal anatomy 348
Larval Amphibians 348
Adult Amphibians 348
Components of the amphibian diet 350
Specialized Larval Feeders 350
Invertebrate composition 351
Major components of nutrition 356
Metabolizable Energy 356
Protein 357
Fat 357
Vitamins and Mineral Content 358
Vitamin A 358
Vitamin E 358
Vitamin D3 359
Calcium and phosphorus 359
Challenges with digestibility and bioavailability 359
Optimizing insect nutritive value 360
Calcium Supplementation 360
Vitamin A Supplementation 361
Vitamin D3 Supplementation 362
Summary 362
References 362
Update on Common Nutritional Disorders of Captive Reptiles 369
Key points 369
Introduction 369
Nutritional secondary hyperparathyroidism 370
Effect of UV-B Radiation 370
Dietary Calcium Intake 371
Clinical signs 371
Diagnosis 372
Treatment 373
Prevention 374
Vitamin A–related disorders 375
Hypovitaminosis A 376
Clinical Signs 377
Diagnosis 378
Treatment 378
Prevention 379
Hypervitaminosis A 379
Clinical Signs 379
Diagnosis 379
Treatment 379
Prevention 380
Thiamine deficiency 380
Clinical Signs 381
Diagnosis 381
Treatment 381
Prevention 381
Hypovitaminosis E 382
Clinical Signs 382
Diagnosis 382
Treatment 382
Prevention 382
Nutritional secondary hypothyroidism 383
Clinical Signs 383
Diagnosis 383
Treatment 384
Prevention 384
Dehydration 384
Clinical Signs 385
Diagnosis 385
Treatment 385
Prevention 386
Obesity 386
Clinical Signs 386
Diagnosis 386
Treatment and Prevention 386
Anorexia and cachexia 387
Clinical Signs 387
Diagnosis 388
Treatment 388
Soft feces and diarrhea 389
Clinical Signs 389
Diagnosis 389
Treatment and Prevention 389
Constipation 389
Clinical Signs 390
Diagnosis 390
Treatment and Prevention 390
References 391
Clinical Avian Nutrition 397
Key points 397
Nutritional needs 397
What are the nutritional feeding strategies of psittacine birds? 397
Nutrient requirements 398
Nutritional history 400
Vitamins 402
Vitamin A 402
Vitamin D 404
Vitamin E 405
Vitamin K 406
Omega fatty acids 406
Minerals 407
Protein and amino acids 408
Formulated diets 409
Feeding companion birds in the home 410
Conversion of small birds such as budgerigars, cockatiels, lovebirds, and conures 410
Conversion of large birds such as African grays, Amazon parrots, cockatoos, and macaws 411
Enrichment and foraging 412
Acknowledgments 413
References 413
Captive Marsupial Nutrition 415
Key points 415
Introduction 415
Metabolism 415
BMRs 416
Consequences of a low metabolic rate 416
Maintenance energy requirements of captive marsupials 417
FMRs 417
Metabolic scope 418
Torpor and hibernation in marsupials 418
Other nutrients 419
Summary of metabolism points 419
Diets in captivity 420
Sugar glider 420
Feeding recommendations 428
Macropods 429
Energy metabolism 430
Virginia opossum 435
Adult opossum nutrition 436
Vitamins 436
Short-tailed opossum 438
Hand-rearing 439
Methods 440
Sugar gliders 442
Macropods 443
Virginia opossums 443
References 445
Ferret Nutrition 449
Key points 449
Introduction 449
Anatomy and physiology 449
Clinical significance of the ferret’s GI system 450
Dentition 450
Commercial diets 451
Food considerations 451
Specific nutritional requirements 454
Minerals and vitamins 457
Water 459
Selecting a complete diet for a pet ferret 459
Maintenance diets 459
Unsuitable diets 460
Switching to an optimal diet 461
High-fat supplements 461
High-carbohydrate supplements 463
Acceptable supplements (treats) 463
Physiologic states that require special nutrition 464
Growth 464
Breeding and Gestation 464
Lactating and Weaning 465
Ill ferrets 465
Islet cell disease and dietary management 465
Geriatric ferrets 467
Feeding ferret kits 467
Inflammatory bowel disease 468
References 469
Rodent Nutrition 471
Key points 471
Introduction 471
Natural Diet 471
Caviomorphs 471
Myomorphs 472
Digestive anatomy 473
Chinchilla 473
Guinea Pig 473
Hamster 473
Gerbil 474
Coprophagy 474
Oxalate metabolism 475
Captive diet 475
Chinchilla 476
Guinea Pig 476
Hamster 476
Gerbil 477
Nutritionally related health issues 477
Chinchilla 477
Guinea Pig 479
Hamsters 480
Gerbils 480
References 480
Prescription Diets for Rabbits 485
Key points 485
Introduction 485
Selected rabbit nutritional disorders 486
GI Stasis, Obstruction, and Bloat 486
Teeth Malocclusion 487
Obesity 488
Urolithiasis and Hypercalcinuria 490
Dietary management 491
Calculation of Calorie Intake 492
Enteral feeding and nasogastric tubes 493
Immediate dietary management 495
Emeraid Herbivore 495
Short-term dietary management 495
Long-term dietary management 497
Prescription diets 497
Rabbit Weight Management 497
Rabbit Digestive Health Formula 497
Rabbit Urinary Tract Health Formula 497
Myths, Misconceptions, and Important Facts 498
Fiber source and length of particle 498
Recommended fiber levels for pet rabbits 498
Crude fiber 498
Carbohydrates and simple sugar 498
Molasses 499
Vitamin C, vitamin B complex, and vitamin K requirements 499
Alfalfa 499
Extruded pelleted diet 500
Summary 500
References 500
Supplements for Exotic Pets 503
Key points 503
Introduction 503
Is it alternative medicine or traditional/original medicine? 505
Regulation 505
Vitamin and minerals 509
Vitamin A 509
Vitamin C 509
Vitamin D, Calcium, and Phosphorus 510
Thiamine and Vitamin E 510
Iodine 511
Supplemental support 512
Specific Antioxidants with Beneficial Ocular Effects 512
Liver support 513
ALA 513
S-adenosy-l-methionine 514
Lecithin, Inositol, Phosphatidylcholine, and Methionine 514
Omega-3 Fatty Acids 514
Artichoke, Milk Thistle, and Dandelion 515
Immune, antifungal, antiviral, antiinflammatory support 515
Stress/Adaptogens 517
Summary 518
Acknowledgments 518
References 518
Index 527