The growth of poultry production has led to an increase in the incidence of internal defects in chicken and turkey broilers, such as Deep Pectoral Myopathy (DPM). DPM is an ischemic hemorrhage or necrosis caused by the inadequate blood supply of Pectoralis minor and major muscles. Currently, visual appearance is the only parameter used to categorize the damage level. The aim of this research was to develop a scientific methodology to determine the level of damage in poultry breast tenders affected by this myopathy. For this purpose, microstructure, pH, protein and ion contents, and color were studied. Results allowed identifying three damage levels: normal, hemorrhagic samples with hematomas and blood clots, and necrotic tissues, based on significant variables (p < .05) measured in Pectoralis minor (pH, L* and a*), where muscles with myopathy presented L* values lower than 47, and necrotic muscles presented pH values higher than 6.05.

中文翻译：

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开发一种方法来对受深部胸肌病影响的家禽肉进行分类

家禽产量的增长导致鸡肉和火鸡肉鸡内部深部缺陷的发生率增加，例如深部胸肌病（DPM）。DPM是由于胸大肌和大肌供血不足而引起的缺血性出血或坏死。当前，视觉外观是用于对损坏程度进行分类的唯一参数。这项研究的目的是开发一种科学的方法来确定受这种肌病影响的家禽胸肉的损伤程度。为此，研究了微结构，pH，蛋白质和离子含量以及颜色。结果可以确定三个损伤程度：正常，出血样本，血肿和血块以及坏死组织（基于显着变量（p 在小胸大肌（pH，L *和a * ）中测得的<.05），其中患有肌病的肌肉的L *值低于47，坏死的肌肉的pH值高于6.05。