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Residual blood in lamb muscles
B B Chrystall1, C E Devine, K G Newton
1Meat Industry Research Institute of New Zealand (Inc.), PO Box 617, Hamilton, New Zealand.
Meat Science
|November 8, 2011
Summary
Lamb slaughter methods did not affect meat quality. Residual blood, microbial load, and tenderness of lamb meat were similar across different stunning procedures, despite variations in blood collection.
Area of Science:
- Animal Science
- Food Science
- Meat Science
Background:
- Slaughter methods can influence meat quality and safety.
- Understanding the impact of stunning procedures is crucial for humane and efficient meat production.
Purpose of the Study:
- To investigate the effect of different lamb slaughter methods on residual blood content.
- To assess the microbiological status and meat tenderness of lamb.
- To determine if stunning procedures impact meat quality characteristics.
Main Methods:
- Lambs were subjected to various stunning procedures prior to slaughter.
- Residual blood content in the M. longissimus dorsi was measured.
- Microbiological analysis of the meat was performed.
- Meat tenderness was evaluated objectively.
Main Results:
- No significant differences were observed in residual blood content among the stunning groups.
- The microbiological status of the meat remained consistent across all tested slaughter methods.
- Meat tenderness was not affected by the different stunning procedures employed.
- Variations in blood collected post-slaughter did not correlate with meat quality parameters.
Conclusions:
- The choice of stunning procedure in lamb slaughter does not appear to influence key meat quality attributes.
- Current stunning methods are adequate for maintaining meat safety and quality in lambs.
- Further research could explore other factors influencing residual blood and meat tenderness.
