In this study ,using xiang swine aged 2 and 6 month, xiang zang swine, da bai swine as experiment models, the conventional indexes of meat quality, the contents of free amino acid (FAA), fatty acid(FA) ,creatine, glucose, trace eliment, and vitamin in meat, and the content of fatty acid in adipose tissue of each type of swine mentioned above were determined respectively. In addition, some serum biochemistry substance of each type of swine were also determined . The results were as follows:
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