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Related Experiment Videos

"Subclinical" laminitis in dairy cattle.

J J Vermunt1

  • 1Veterinary Clinic (Morrinsville) Ltd, 45 Moorhouse Street, Morrinsville, New Zealand.

New Zealand Veterinary Journal
|December 1, 1992
PubMed
Summary

Subclinical laminitis, a key factor in cattle lameness, involves sole hemorrhages and soft horn. This review clarifies its complex causes and links to claw disorders in dairy cows.

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Claw lameness in dairy cattle: New Zealand-based research.

New Zealand veterinary journal·2005

Area of Science:

  • Veterinary Medicine
  • Animal Science
  • Ruminant Health

Background:

  • Lameness in cattle significantly impacts dairy industry economics globally.
  • Laminitis is a primary cause of lameness, leading to claw disorders like sole ulcers and white zone lesions.
  • Subclinical laminitis, characterized by sole hemorrhages and soft horn, was identified in the late 1970s.

Purpose of the Study:

  • To review the existing literature on laminitis in cattle.
  • To clarify terminology and understanding of subclinical laminitis.
  • To discuss the pathophysiology and potential contributing factors of subclinical laminitis in bovine claws.

Main Methods:

  • Literature review of laminitis in cattle.
  • Discussion of vascular system characteristics in bovine claws.
  • Assessment of clinical observations regarding subclinical laminitis.

Main Results:

  • Laminitis is a major predisposing factor for various cattle claw disorders.
  • Subclinical laminitis is suggested by sole hemorrhages and altered sole horn quality.
  • Disturbed hemodynamics, specifically arteriovenous anastomosis dilation, are implicated in laminitis pathogenesis.
  • Subclinical laminitis appears to be a multifactorial disease influenced by management practices.

Conclusions:

  • Clarifying laminitis terminology is crucial for understanding cattle lameness.
  • The vascular system of the bovine claw plays a role in subclinical laminitis.
  • Subclinical laminitis is multifactorial, with management protocols influencing its occurrence and severity.
  • Further assessment is needed to fully understand the involvement of subclinical laminitis in cattle claw lesions.

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