为了评价四川裂腹鱼的生产性能和肌肉矿质营养,采用常规方法测定分析了四川裂腹鱼35个个体的含肉率以及30个个体肌肉矿质元素的含量。结果表明,四川裂腹鱼含肉率平均为67.72%。在四川裂腹鱼100g肌肉中,钙、磷、钾、钠、镁等常量元素的平均含量在28.74~1329.33mg之间,铜、锌、铁、锰、硒等微量元素的含量平均在1.19μg~11.26mg之间,四川裂腹鱼肌肉钙磷比平均为1:79.41。四川裂腹鱼肌肉中,钙、钠、锌的含量与其个体体长或体重之间表现出了显著的相关性;在四川裂腹鱼性成熟个体和未达性成熟个体之间,含肉率及肌肉中铜的含量均存在着显著性的差异。四川裂腹鱼含肉率较高,肌肉中微量元素含量丰富,具有重要的食用价值。
The muscle ratio of 35 individuals as well as the contents of the mineral elements in the muscle of 30 individuals in Schizothorax kozlovi were determined and analyzed in routine methods in order to evaluate the nutritive value of its muscle.The results showed that the muscle ratio of the species averaged 67.72%.The average contents of macroelements including Ca,P,K,Na and Mg in the muscle of Schizothorax kozlovi varied from 28.74 mg to 1 329.33 mg per 100 g and those of the microelements including Se,Cu,Zn,Fe and Mn in the muscle from 1.19 μg to 11.26 mg per 100 g.Ca: P in the muscle of the species averaged 1:79.41.According to the correlation analysis,the content of Ca in the muscle of the species revealed significantly negative correlation with the standard lenghth of its indivaduls,while the contents of Na,Zn and Mn in the muscle respectively showed significantly positive correlation with the age,standard length or body weight of individuals of Schizothorax kozlovi.F-test and t-test demonstrated that there were significant differences in the muscle ratio and the content of Cu in the muscle between the mature and immature individuals of the species.Schizothorax kozlovi was one of the freshwater fishes with highly edible and nutritive value.