饲粮能量水平对荷斯坦阉牛生产性能、血液指标、屠宰性能及肉品质的影响

张美琦,李妍,李树静,高艳霞,李建国,曹玉凤,李秋凤

Effects of Dietary Energy Levels on Production Performance, Blood Index, Slaughter Performance and Meat Quality of Holstein Steers

ZHANG MeiQi,LI Yan,LI ShuJing,GAO YanXia,LI JianGuo,CAO YuFeng,LI QiuFeng

表5 饲粮能量水平对荷斯坦阉牛大理石花纹等级的影响

Table 5 Effects of energy levels in diets on beef marbling score of Holstein steers

级别 Grade 总计 Total (%) 组别Groups LE ME HE <2级 (%) 3.70 3.70 3 (%) 51.85 14.81 18.52 18.52 3+ (%) 33.33 18.52 7.41 7.41 4- (%) 11.11 3.70 7.41