在哺乳母牛中使用料大米粒粉碎机处理的干粉碎玉米粒的营养价值的评估
Norio Sasayama1, Takumi Sekoguchi1, Yasunari Yamamoto1
1Division of Large Animal Research, Mie Prefectural Livestock Research Center, Matsusaka, Mie, Japan.
Animal science journal = Nihon chikusan Gakkaiho
|February 15, 2026
概括
干脆粉碎的玉米粒对于哺乳母牛来说是蒸汽粉碎玉米的有效替代品. 这项研究发现,干碎玉米改善了乳制品饮食中的营养利用和牛奶蛋白.
科学领域:
- 动物科学动物科学
- 乳制品营养 乳制品营养
- 农业工程 农业工程
背景情况:
- 评估加工谷物的料价值对于奶牛的营养至关重要.
- 国内玉米加工方法需要优化乳制品饮食.
研究的目的:
- 为了评估国内干粉碎玉米粒与蒸汽粉碎玉米相比的营养价值,用于哺乳母牛.
- 确定干粉玉米对牛奶生产,营养利用和牛健康的影响.
主要方法:
- 进行了一项涉及六头哺乳母牛的养试验.
- 饮食包括蒸汽粉碎 (SF) 或干粉碎 (DC) 玉米在总混合配给中.
- 分析了关键性能指标,营养消化能力和血液代谢物.
主要成果:
- 干粉玉米 (DC) 组显示牛奶蛋白度和分泌量增加 (p=0.05,0.06).
- 直流组的干物质摄入量更高,非纤维碳水化合物和粉消化能力更好 (p=0.04,0.03,<0.001).
- 没有观察到乳性能,平衡或整体消化能力的显著差异.
结论:
- 在哺乳期母牛中,与蒸汽粉碎玉米相比,干粉碎玉米具有同等或更高的养价值.
- 粉碎是乳制品饮食中的国内玉米的有效加工方法.
- 干碎国产玉米为进口蒸汽粉碎玉米提供了可行的替代品,有可能改善营养利用率.
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