Merck Manual

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Wooden breast myopathy, 45-day-old broiler
Wooden breast myopathy, 45-day-old broiler
Wooden breast myopathy, 45-day-old broiler

Note the pale color tan areas in the cranial part of the pectoral muscle (pectoralis major muscle). These tan/white stripes follow the muscle fiber orientation.

Courtesy of Dr. T. A. Abdul-Aziz.

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