Influence of Feed Withdrawal before Slaughter on Meat Quality of Local Meat-Type Chicken in Summer.

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  • 夏期における屠殺前の絶食が特産肉用鶏の肉質に及ぼす影響
  • カキ ニ オケル トサツ マエ ノ ゼッショク ガ トクサンニクヨウ ニワトリ ノ ニクシツ ニ オヨボス エイキョウ

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Abstract

The influence of feed withdrawal before slaughter on meat quality of local meattype chicken in summer was evaluated. Tsushima crossbreds which are one of the local meat-type chickens were subjected 0, 16, or 36h feed withdrawal periods before slaughter. And the measurements of meat quality included muscle pH, meat color, and cooking loss.<br>Muscle pH of leg meat was significantly higher, as feed withdrawal time increased (p<0.05). But the influence of feed withdrawal on muscle pH of breast and sasami meat was not significant. In leg meat, lightness (L* value) of meat color was significantly lower, as feed withdrawal time increased (p<0.05). But the influence of feed withdrawal on meat color of breast and sasami meat was not significant. Cooking loss of leg meat was lower, but that of breast meat was higher, as feed withdrawal time increased.<br>These results indicate that feed withdrawal affect meat quality of local meat-type chicken, especially leg meat pH and color.

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