Expert opinion as 'validation' of risk assessment applied to calf welfare
2008

Expert Opinions on Calf Welfare Risk Assessment

Sample size: 24 publication Evidence: moderate

Author Information

Author(s): Marc Bracke, Sandra Edwards, Bas Engel, Willem Buist, Bo Algers

Primary Institution: Wageningen University and Research Centre

Hypothesis

Can expert opinions validate the risk assessment methodology applied to calf welfare?

Conclusion

The study provides novel insights into expert opinions regarding calf welfare and suggests improvements for risk assessment methodologies.

Supporting Evidence

  • Kendall's coefficient of concordance among experts was highly significant.
  • Veterinarians rated housing systems more favorably than ethologists.
  • The best housing system for calf welfare was identified as suckler beef calves kept at pasture.
  • The most critical hazards affecting calf welfare included underfeeding and inadequate colostrum intake.

Takeaway

Experts were asked to rate how well different housing systems and hazards affect calf welfare, and they found that some systems are much better than others.

Methodology

Experts rated housing systems and hazards on a scale from 0 to 10 based on their welfare impact.

Potential Biases

Experts' backgrounds may influence their perceptions and scores of welfare.

Limitations

The study relied on expert opinion, which may vary and lacks comprehensive scientific validation.

Participant Demographics

Experts included veterinarians, ethologists, and those with mixed backgrounds from various countries.

Statistical Information

P-Value

<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1751-0147-50-29

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