通过育种、改善日粮和使用添加剂等技 术措施,可提高奶牛的干物质采食量(dry matter intake,DMI),在一定程度上提高奶牛的生产性能和改善奶牛的健康状况.
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结果表明：使用高能饲料对奶牛的干物质采食量没有影响；
The results showed that the high energy feed had no effect on the dry matter intake of cows.
结果表明：试验组和对照组犊牛干物质采食量差异不显著（P>0.05）；
The results showed that there was no significant difference on dry matter intake between control group and trial group(P>0.05).
结果表明：各组产奶量、干物质采食量和料奶比无显著差异（P>0.05）。
The results showed as follows: 1) milk yield, dry matter intake and feed to milk ratio in different groups had no significant differences (P>0.05).
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