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Ergonomics in industrialized dairy operations.

David I Douphrate1, Matthew W Nonnenmann, John C Rosecrance

  • 1High Plains Intermountain Center for Agriculture Health and Safety (HICAHS), Colorado State University, Fort Collins, Colorado 80523, USA. david.douphrate@colostate.edu

Journal of Agromedicine
|November 7, 2009
PubMed
Summary

Industrialized dairy operations pose unique worker risks. Research is needed on parlor ergonomics and milking practices to improve safety in large-herd dairy farms.

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Area of Science:

  • Agricultural Health and Safety
  • Occupational Ergonomics
  • Dairy Science

Background:

  • Dairy production is shifting towards large-herd operations for economic benefits.
  • Large-herd operations predominantly use parlor milking systems, unlike smaller operations using stanchion systems.
  • Both systems present distinct worker injury risks.

Purpose of the Study:

  • To summarize panel discussions on the ergonomics of industrialized dairy parlor operations in the U.S.
  • To highlight injury risks associated with different dairy milking systems.
  • To emphasize the need for further research into dairy worker safety.

Main Methods:

  • Summary of a panel presentation at the 'New Paths: Health and Safety in Western Agriculture' conference.
  • Review of dairy industry trends and worker injury data.
  • Analysis of workers' compensation claims from large-herd milking operations.

Main Results:

  • Workers in smaller dairies frequently report low back, knee, and shoulder musculoskeletal symptoms.
  • In large-herd operations, nearly 50% of livestock-handling injury claims involved parlor milking.
  • Specific injuries in parlors include wrist/hand/finger (27%), head/face (13%), and chest (11%).

Conclusions:

  • The worker-livestock interface in parlor milking creates vulnerabilities for specific body parts.
  • Further research into milking practices and parlor designs is crucial for worker safety.
  • Continued investigation of dairy-related injuries is essential due to industry consolidation.