BOOK
Feedlot Production Medicine, An Issue of Veterinary Clinics of North America: Food Animal Practice 31-3, E-Book
(2016)
Additional Information
Book Details
Abstract
As a Follow-up to their Arrival Cattle Management issue, Drs. Brad White and Daniel Thomson explore Feedlot Production Medicine in this issue. Articles feature an expert panel of authors on topics such as: Epidemiology for feedlots, Outbreak investigation, Sick animal identification, Necropsy & Euthanasia, BVD management in feedlot, Reference Intervals in Avian and Exotic Hematology, and more!
Table of Contents
| Section Title | Page | Action | Price |
|---|---|---|---|
| Front Cover | Cover | ||
| Feedlot Production\rMedicine | i | ||
| Copyright | ii | ||
| Contributors | iii | ||
| CONSULTING EDITOR | iii | ||
| EDITORS | iii | ||
| AUTHORS | iii | ||
| Contents | v | ||
| Preface: Feedlot Production Medicine | v | ||
| Feedlot Processing and Arrival Cattle Management | v | ||
| Use of Antimicrobial Metaphylaxis for the Control of Bovine Respiratory Disease in High-Risk Cattle | v | ||
| A Systematic Review of Bovine Respiratory Disease Diagnosis Focused on Diagnostic Confirmation, Early Detection, and Predic ... | v | ||
| Bovine Viral Diarrhea Virus–Associated Disease in Feedlot Cattle | vi | ||
| Feedlot Acute Interstitial Pneumonia | vi | ||
| Investigating Outbreaks of Disease or Impaired Productivity in Feedlot Cattle | vi | ||
| Surgical Management of Common Disorders of Feedlot Calves | vi | ||
| Surgical Management of Orthopedic and Musculoskeletal Diseases of Feedlot Calves | vii | ||
| Treatment of Calves with Bovine Respiratory Disease: Duration of Therapy and Posttreatment Intervals | vii | ||
| Management of Feedyard Hospitals | vii | ||
| Feedlot Euthanasia and Necropsy | vii | ||
| Optimizing Feedlot Diagnostic Testing Strategies Using Test Characteristics, Disease Prevalence, and Relative Costs of Misd ... | viii | ||
| Using Feedlot Operational Data to Make Valid Conclusions for Improving Health Management | viii | ||
| VETERINARY CLINICS OF\rNORTH AMERICA:\rFOOD ANIMAL PRACTICE | ix | ||
| FORTHCOMING ISSUES | ix | ||
| March 2016 | ix | ||
| July 2016 | ix | ||
| November 2016 | ix | ||
| RECENT ISSUES | ix | ||
| July 2015 | ix | ||
| March 2015 | ix | ||
| November 2014 | ix | ||
| Preface: Feedlot Production Medicine | xi | ||
| Feedlot Processing and Arrival Cattle Management | 323 | ||
| Key points | 323 | ||
| INTRODUCTION | 323 | ||
| THE PURPOSE OF ACCLIMATION | 323 | ||
| HOW TO ACCLIMATE CATTLE | 325 | ||
| CONTINUED BENEFITS OF ACCLIMATION | 331 | ||
| PROCESSING | 332 | ||
| SUMMARY | 338 | ||
| SUPPLEMENTARY DATA | 338 | ||
| REFERENCES | 338 | ||
| Use of Antimicrobial Metaphylaxis for the Control of Bovine Respiratory Disease in High-Risk Cattle | 341 | ||
| Key points | 341 | ||
| INTRODUCTION | 341 | ||
| THE IMPORTANCE OF ANTIMICROBIAL METAPHYLAXIS | 342 | ||
| FACTORS THAT INFLUENCE THE DECISION TO USE METAPHYLAXIS | 343 | ||
| PRICE DISCOVERY OF FEEDER CATTLE | 344 | ||
| ANTIMICROBIALS APPROVED FOR METAPHYLACTIC USE | 345 | ||
| MANAGEMENT BENEFITS OF METAPHYLAXIS | 345 | ||
| SUMMARY | 347 | ||
| ACKNOWLEDGMENT | 348 | ||
| REFERENCES | 348 | ||
| A Systematic Review of Bovine Respiratory Disease Diagnosis Focused on Diagnostic Confirmation, Early Detection, and Predic ... | 351 | ||
| Key points | 351 | ||
| INTRODUCTION | 351 | ||
| METHODS | 352 | ||
| Definitions for the Search | 352 | ||
| Criteria for Considering Studies | 352 | ||
| Search Strategy | 353 | ||
| Selection of Studies | 353 | ||
| RESULTS AND DISCUSSION | 353 | ||
| 1: Confirmatory Diagnostics | 354 | ||
| White blood cell count | 354 | ||
| Acute phase proteins | 355 | ||
| Detection of bovine respiratory disease pathogens | 355 | ||
| Stress-related hormones | 356 | ||
| Direct measurement of pulmonary changes | 357 | ||
| 2: Early Disease Detection | 357 | ||
| Automated behavior monitoring | 357 | ||
| Evidence for differences in behavior between sick and healthy cattle | 357 | ||
| Application for early bovine respiratory disease detection | 358 | ||
| Automated temperature measurements | 359 | ||
| Evidence for differences in temperature between sick and healthy cattle | 359 | ||
| Application in early bovine respiratory disease detection | 359 | ||
| 3: Prognostic Tests | 360 | ||
| Biomarkers and pathogen detection | 360 | ||
| Direct indicators for lung lesions | 360 | ||
| Treatment outcome prediction based on feedlot records | 360 | ||
| IMPLICATIONS AND LIMITATIONS | 361 | ||
| SUMMARY | 362 | ||
| REFERENCES | 362 | ||
| Bovine Viral Diarrhea Virus–Associated Disease in Feedlot Cattle | 367 | ||
| Key points | 367 | ||
| INTRODUCTION | 367 | ||
| BOVINE VIRAL DIARRHEA VIRUS AND BOVINE RESPIRATORY DISEASE COMPLEX | 368 | ||
| IMMUNOSUPPRESSION ASSOCIATED WITH BOVINE VIRAL DIARRHEA VIRUS INFECTION | 368 | ||
| PERSISTENTLY INFECTED CATTLE AS THE MOST IMPORTANT RESERVOIR FOR BOVINE VIRAL DIARRHEA VIRUS | 368 | ||
| Creation of Cattle Persistently Infected with Bovine Viral Diarrhea Virus | 368 | ||
| Role of Cattle Persistently Infected with Bovine Viral Diarrhea Virus as Viral Reservoir | 369 | ||
| Direct Health Risk of Bovine Viral Diarrhea Virus Persistently Infected Feedlot Cattle | 369 | ||
| Health Risk of Feedlot Cattle in Contact with Bovine Viral Diarrhea Virus Persistently Infected Cattle | 370 | ||
| CONSIDERATIONS OF BOVINE VIRAL DIARRHEA VIRUS SPECIES AND STRAINS (SUBTYPES) | 371 | ||
| BOVINE VIRAL DIARRHEA VIRUS ASSOCIATION WITH DISEASES OTHER THAN BOVINE RESPIRATORY DISEASE COMPLEX IN FEEDLOT CATTLE | 372 | ||
| ROLE OF VACCINATION IN THE MANAGEMENT OF BOVINE VIRAL DIARRHEA VIRUS IN FEEDLOT SETTINGS | 372 | ||
| ROLE OF TESTING AND REMOVAL OF PERSISTENTLY INFECTED CATTLE IN THE MANAGEMENT OF BOVINE VIRAL DIARRHEA VIRUS IN FEEDLOT SET ... | 374 | ||
| SUMMARY | 375 | ||
| REFERENCES | 376 | ||
| Feedlot Acute Interstitial Pneumonia | 381 | ||
| Key points | 381 | ||
| INTRODUCTION: NATURE OF THE PROBLEM | 381 | ||
| Clinical Definition | 381 | ||
| Pathology of Acute Interstitial Pneumonia | 383 | ||
| Epidemiology and Risk Factors | 384 | ||
| Etiology | 385 | ||
| THERAPEUTIC OPTIONS | 386 | ||
| Prevention of Feedlot Acute Interstitial Pneumonia | 386 | ||
| CLINICAL OUTCOMES | 387 | ||
| SUMMARY | 387 | ||
| REFERENCES | 388 | ||
| Investigating Outbreaks of Disease or Impaired Productivity in Feedlot Cattle | 391 | ||
| Key points | 391 | ||
| INTRODUCTION | 391 | ||
| IMPORTANT CONCEPTS | 392 | ||
| Causal Reasoning | 392 | ||
| Level of Action | 393 | ||
| WHY INVESTIGATE OUTBREAKS | 394 | ||
| HOW TO INVESTIGATE AN OUTBREAK OF DISEASE OR IMPAIRED PRODUCTIVITY | 394 | ||
| Steps of an Outbreak Investigation | 394 | ||
| Describing Outbreaks | 395 | ||
| DRAWING CAUSAL CONCLUSIONS | 399 | ||
| Measures of Association | 400 | ||
| Significance Testing | 401 | ||
| CHALLENGES OF OUTBREAK INVESTIGATION IN BEEF CATTLE FEEDLOTS | 401 | ||
| Access to Records | 401 | ||
| Access to People | 401 | ||
| Flow of Animals, Feeds, and People | 402 | ||
| DRAWING CONCLUSIONS FROM AN OUTBREAK INVESTIGATION | 402 | ||
| Measures of Impact | 402 | ||
| Finding the System Solution | 403 | ||
| COMMUNICATING RESULTS | 404 | ||
| Written Reports | 404 | ||
| Monitoring Compliance and Resolution | 404 | ||
| FUTURE CONSIDERATIONS | 404 | ||
| SUMMARY | 404 | ||
| REFERENCES | 405 | ||
| Surgical Management of Common Disorders of Feedlot Calves | 407 | ||
| Key points | 407 | ||
| INTRODUCTION: NATURE OF THE PROBLEM | 407 | ||
| THERAPEUTIC OPTIONS AND/OR SURGICAL TECHNIQUES | 408 | ||
| Castration | 408 | ||
| Postcastration complications and management | 411 | ||
| Dehorning | 411 | ||
| Enucleation | 412 | ||
| Enucleation postoperative care | 413 | ||
| Tracheostomy | 413 | ||
| Tongue Amputation | 415 | ||
| Perineal Urethrostomy | 416 | ||
| Complications and management | 418 | ||
| Rumenotomy and Rumenostomy | 419 | ||
| Midline Cesarean Section | 420 | ||
| SUMMARY | 422 | ||
| REFERENCES | 422 | ||
| Surgical Management of Orthopedic and Musculoskeletal Diseases of Feedlot Calves | 425 | ||
| Key points | 425 | ||
| PAIN MANAGEMENT | 425 | ||
| DIGIT AMPUTATION | 426 | ||
| ANKYLOSIS OF THE DISTAL INTERPHALANGEAL JOINT | 428 | ||
| Plantar (Heel Bulb) Approach to Ankylosis | 428 | ||
| Ankylosis of the Distal Interphalangeal Joint Through the Hoof Wall (Abaxial Approach) | 430 | ||
| PEDAL OSTEITIS | 430 | ||
| FRACTURE MANAGEMENT | 431 | ||
| Splinting | 431 | ||
| Casting | 432 | ||
| Thomas Splint and Cast Combination | 432 | ||
| Transfixation Pinning and Casting and External Skeletal Fixation | 433 | ||
| Closed Versus Open Fractures | 433 | ||
| Metacarpus and Metatarsus III/IV | 434 | ||
| Humerus | 434 | ||
| Radius and Ulna | 434 | ||
| Tibia | 434 | ||
| Complications of Fracture Management | 434 | ||
| TENDON DISORDERS | 435 | ||
| Spastic Paresis | 435 | ||
| Tendon Laceration | 436 | ||
| Treatment of Tendon Disruption | 436 | ||
| SUMMARY | 437 | ||
| REFERENCES | 437 | ||
| Treatment of Calves with Bovine Respiratory Disease | 441 | ||
| Key points | 441 | ||
| INTRODUCTION | 441 | ||
| DURATION OF THERAPY: HOW LONG SHOULD IT BE? | 442 | ||
| DURATION OF THERAPY: HOW LONG IS IT? | 445 | ||
| Oxytetracycline (200 mg/mL) | 446 | ||
| Florfenicol | 446 | ||
| Enrofloxacin | 447 | ||
| Other Bovine Respiratory Disease Antimicrobials | 447 | ||
| CLINICAL TRIAL EVALUATION OF POSTTREATMENT INTERVALS FOR SINGLE INJECTION ANTIMICROBIALS | 447 | ||
| Ceftiofur Crystalline Free Acid | 447 | ||
| Tulathromycin | 448 | ||
| Tilmicosin | 448 | ||
| Enrofloxacin | 449 | ||
| DISCUSSION | 450 | ||
| SUMMARY | 451 | ||
| REFERENCES | 451 | ||
| Management of Feedyard Hospitals | 455 | ||
| Key points | 455 | ||
| INTRODUCTION | 455 | ||
| TYPES OF HOSPITAL PENS | 455 | ||
| TYPES OF HOSPITAL SYSTEMS | 456 | ||
| MANAGING POST-TREATMENT INTERVALS | 460 | ||
| SORTING CATTLE IN THE HOSPITAL | 460 | ||
| MANAGING ANIMAL INVENTORIES AND WITHHOLD TIMES | 461 | ||
| HOSPITAL TANK AND PEN CLEANING | 461 | ||
| HOSPITAL FEED AND HAY PROVISION | 462 | ||
| ADDITIONAL HUSBANDRY ITEMS | 462 | ||
| SUMMARY | 463 | ||
| REFERENCES | 463 | ||
| Optimizing Feedlot Diagnostic Testing Strategies Using Test Characteristics, Disease Prevalence, and Relative Costs of Misd ... | 483 | ||
| Key points | 483 | ||
| INTRODUCTION | 484 | ||
| SENSITIVITY AND SPECIFICITY | 484 | ||
| DIAGNOSTIC MODALITIES: EXAMPLES | 485 | ||
| Low and Wide-Ranging Diagnostic Accuracy: Bovine Respiratory Disease Diagnosis | 485 | ||
| Highly Accurate Diagnostic: Bioassay for Pregnancy | 486 | ||
| USING SENSITIVITY, SPECIFICITY, AND PREVALENCE TO DETERMINE POSITIVE AND NEGATIVE PREDICTIVE VALUES | 486 | ||
| Evaluation of Economic Consequences of Test Misclassifications | 488 | ||
| COST OF MISCLASSIFICATIONS (FALSE-POSITIVES AND FALSE-NEGATIVES) | 488 | ||
| DECISION MATRIX FOR OPTIMIZING DIAGNOSTIC STRATEGIES | 490 | ||
| RETEST THE POSITIVE OR NEGATIVE ANIMALS FROM THE INITIAL TEST | 490 | ||
| SUMMARY | 492 | ||
| ACKNOWLEDGMENTS | 492 | ||
| REFERENCES | 492 | ||
| Using Feedlot Operational Data to Make Valid Conclusions for Improving Health Management | 495 | ||
| Key points | 495 | ||
| INTRODUCTION | 495 | ||
| QUANTITY AND QUALITY OF OPERATIONAL DATA | 496 | ||
| MAKING APPROPRIATE CONCLUSIONS: POTENTIAL FOR DIFFERENTIAL ERRORS IN OPERATIONAL DATA | 498 | ||
| MAKING APPROPRIATE COMPARISONS: IDENTIFYING AND CONTROLLING CONFOUNDING | 499 | ||
| DISTRIBUTIONS OF POPULATION HEALTH OUTCOMES | 501 | ||
| TEMPORAL DISTRIBUTIONS: HEALTH EVENTS OVER TIME | 504 | ||
| CONCURRENTLY ASSESSING MULTIPLE HEALTH OUTCOMES | 505 | ||
| SUMMARY | 506 | ||
| REFERENCES | 507 | ||
| Index | 509 |