Muscle fibre diameter in back first born muscle, waist big muscle and thigh biceps is larger than Saba big, but muscle fibre density in the three part is higher than Saba pig.

• 3个肌肉部位（背最长肌、腰大肌、股二头肌）的肌纤维直径均较撒坝猪相应3个部位肌纤维直径大，但是其3个部位肌纤维密度均比撒坝猪相应3个部位肌纤维密度大；