There were no significant differences in dressing rate, lean percentage, backfat thickness, eye muscle thickness and collagen content regardless of MgAsp supplementation or not(P>0.05).
但对猪的屠宰率、瘦肉率、背膘厚、眼肌厚度和肌肉中胶原蛋白含量等无显著影响（P>0.05）。
The leg muscle fiber diameters of the high dose group were extremely bigger than the control group (P<0.01).
高剂量组的腿肌肌纤维直径极显著大于对照组（P<0.01）。
There were extremely significantly different (P<0.01) in the content of density of muscle fiber.
高营养水平组肌纤维密度极显著的高于其它两组（P<0.01）；
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