劣质肉、有害腺体识别变质肉：脂肪失去光泽，偏灰黄甚至变绿，肌肉暗红，切面湿润，弹性基本消失，有腐败气味散出。冬季气温低，嗅不到气味，通过加热烧烙或煮沸，变质肉的腐败气味就会散出。母猪肉：一般胭体较大，皮糙肉厚，肌肉纤维粗，横断面颗粒大。经产母猪皮肤较厚， Poor quality meat, harmful glands Identification of metamorphic meat: fat tarnished, grayish yellow even green, dark red muscle, wet section, the basic elasticity of the disappearance of a corrupt odor. Winter temperatures are low, smell no smell, burning or boiled by heating, the smell of spoiled meat will be scattered. Sow Pork: General Rush larger, rough leather thick, thick muscle fibers, large cross-section particles. Sow pig skin thicker,