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Ultrasound for detecting osteomyelitis in turkeys
A Mutalib1, M Holland, H J Barnes
1College of Veterinary Medicine, Mississippi State University, Mississippi State 39762, USA.
Avian Diseases
|April 1, 1996
Summary
Ultrasonography effectively detects osteomyelitis (OM) in turkey legs, offering a superior method for identifying this bone infection in the poultry industry. This diagnostic advancement promises significant economic benefits for turkey producers.
Area of Science:
- Veterinary Pathology
- Animal Science
- Diagnostic Imaging
Background:
- Osteomyelitis (OM) is a significant concern in turkey production, impacting animal welfare and economic viability.
- Current methods for detecting OM in turkeys at processing, such as visual inspection for green liver discoloration, have limitations in sensitivity and specificity.
- Accurate and early detection of bone infections is crucial for maintaining flock health and ensuring food safety.
Purpose of the Study:
- To evaluate the efficacy of ultrasonography as a diagnostic tool for detecting osteomyelitis (OM) in turkey legs.
- To compare the diagnostic performance of ultrasonography against traditional methods for OM detection in a commercial turkey processing setting.
- To assess the potential economic impact of implementing ultrasonography for OM surveillance in the turkey industry.
Main Methods:
- A total of 1000 turkey legs were subjected to comprehensive examination, including ultrasonography, pathology, and bacteriology.
- Ultrasonographic examination focused on identifying hyperechoic disruptions in the cortical bone within the growth plate region, indicative of OM lesions.
- Histological confirmation was used as the gold standard to validate OM diagnoses made via ultrasonography and other methods.
Main Results:
- Osteomyelitis was histologically confirmed in 139 out of 1000 turkey legs examined.
- Ultrasonography demonstrated a sensitivity of 78% (109 out of 139 OM-positive legs) and a specificity of 83% (713 out of 861 OM-negative legs).
- Ultrasonography proved to be a more effective method for detecting tibial osteomyelitis in turkeys during processing compared to the current practice of assessing green liver discoloration.
Conclusions:
- Ultrasonography is a highly effective and sensitive diagnostic technique for identifying osteomyelitis in turkey legs.
- The application of ultrasonography in turkey processing offers a significant improvement over existing methods for OM detection.
- Implementing this advanced diagnostic procedure holds considerable economic promise for the turkey industry by improving disease management and product quality.