Postmortem findings in lame cattle which underwent on farm emergency slaughter in Norway
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View abstract on PubMed
Summary
This summary is machine-generated.On-farm emergency slaughter (OFES) in Norway reveals locomotory disorders are common. Post-mortem exams identified soft tissue trauma, fractures, and joint issues, particularly hip dislocations in older female cattle.
Area Of Science
- Veterinary Pathology
- Animal Welfare Science
- Food Safety
Background
- Locomotory disorders account for nearly half of on-farm emergency slaughter (OFES) cases in Norway.
- Current diagnoses rely solely on veterinary certificates, lacking detailed pathological confirmation.
- Understanding gross lesions is crucial for improving animal welfare and preventing unnecessary suffering.
Purpose Of The Study
- To describe and categorize the gross pathological lesions identified during post-mortem examination (PME) of cattle undergoing OFES for locomotion disorders.
- To investigate potential correlations between animal demographics (sex, breed, age, production type) and specific pathological findings.
- To provide data that can inform strategies for preventing painful conditions leading to OFES.
Main Methods
- A retrospective analysis of 492 cattle cases undergoing OFES for locomotion disorders in 2023.
- Systematic recording of gross pathological findings during regular PME at two slaughterhouses.
- Statistical analysis, including descriptive statistics and logistic regression, to identify relationships between case characteristics and diagnoses.
Main Results
- Soft tissue trauma (24%), fractures (23%), joint pathology (23%), and joint dislocations (18%) were the most frequent gross lesion categories.
- Hock joint pathology was more prevalent in males.
- Hip dislocations (93% of dislocations) were significantly associated with older, female Holstein cows.
Conclusions
- Post-mortem examination reveals a high incidence of traumatic and joint-related pathologies in cattle undergoing OFES for locomotion issues.
- Specific lesion patterns, such as hip dislocations in older females and hock lesions in males, warrant further investigation.
- Further research is needed to develop preventative measures for these painful conditions, aiming to reduce the need for OFES.
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