将芽大麦纳入西方白脸养羊的饮食的影响
Zachary Cal Crump1, Anthony Fernando Alberto1, Bailee Lynn Brown1
1Department of Animal, Dairy and Veterinary Sciences, Utah State University, Logan, UT 84322, USA.
Translational animal science
|May 14, 2025
概括
将发芽大麦 (SB) 纳入羊肉食中,干物质为10-30%,减少了料摄入量,提高了料效率. 这种方法保持了生产标准,并可能降低料羔羊的收益成本.
科学领域:
- 动物科学动物科学
- 农业工程 农业工程
- 可持续农业 可持续农业
背景情况:
- 全球对动物蛋白质需求的不断增长会给传统农业带来压力.
- 垂直农业通过减少土地和水资源的使用,提供了一个可持续的解决方案.
- 垂直种植芽大麦 (SB) 对羔羊产量的影响尚不清楚.
研究的目的:
- 评估将发芽大麦 (SB) 纳入温羊食的效果.
- 评估对生产指标的影响,包括体重增加,料摄入量和尸体特征.
- 分析在羊肉配给中使用SB的经济影响.
主要方法:
- 七十六只干湿羊羔被食0% (对照),10%,20%或30%的干物质含有SB的饮食.
- 在整个研究过程中,监测了体重,液pH值,料摄入量和养行为.
- 尸体的特征在收获后进行评估,并进行经济分析 (总料成本,净收益,收益成本).
主要成果:
- 与对照组相比,养SB饮食的羊羔表现出较低的干物质摄入量 (DMI).
- 对净能量和纤维成分的营养摄入量在对照饮食中更高.
- 在所有饮食群体的尸体测量中没有发现显著差异.
- 与30%的SB饮食相比,10%的SB饮食显示了较低的收益成本.
结论:
- 在羔羊食中加入10-30%的SB可以通过减少DMI来提高料效率.
- 加入SB维持了与传统饮食相匹配的生产和尸体标准.
- 饮食SB显示了提高羔羊养业务成本效益的潜力.
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