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Related Experiment Videos

Investigating perinatal calf mortality in beef herds

S E Wikse1, M L Kinsel, R W Field

  • 1Department of Large Animal Medicine and Surgery, Texas A&M University, College of Veterinary Medicine, College Station.

The Veterinary Clinics of North America. Food Animal Practice
|March 1, 1994
PubMed
Summary

Investigating perinatal calf mortality (PCM) requires a risk-factor approach. Necropsies and statistical methods help identify causes and implement effective management plans to reduce calf losses.

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Area of Science:

  • Veterinary Medicine
  • Animal Science
  • Livestock Health

Background:

  • Perinatal calf mortality (PCM) presents a significant challenge in livestock production.
  • Identifying the underlying causes of PCM is crucial for effective herd management.

Purpose of the Study:

  • To outline a risk-factor-evaluation approach for investigating PCM.
  • To detail the role of necropsies and statistical analysis in determining PCM causes.

Main Methods:

  • Utilizing necropsies to identify gross lesions associated with major PCM causes.
  • Employing 2x2 tables to calculate odds ratios for suspected risk factors.
  • Applying the Chi-square method to validate the statistical significance of risk factors.

Main Results:

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  • Necropsies provide essential data on the pathological conditions leading to PCM.
  • Statistical analysis (odds ratios and Chi-square) can identify significant risk factors contributing to calf mortality.
  • A structured approach aids in pinpointing the primary drivers of PCM.

Conclusions:

  • A systematic investigation combining necropsies and statistical analysis is effective for diagnosing PCM.
  • Implementing targeted management plans based on identified risk factors can mitigate calf losses.
  • Understanding PCM etiology is key to improving calf survival rates and herd productivity.