淡水植物和藻类可以作为有效的料补充剂来减少反动物畜牧业的甲排放吗?
Rebecca E Lester1, Ashley Macqueen1, Emily K Armstrong1
1Centre for Regional and Rural Futures, Deakin University, Locked Bag 20000, Geelong, Victoria 3220, Australia.
The Science of the total environment
|December 17, 2023
概括
澳大利亚的淡水藻类和植物显示出作为牲畜料补充剂的潜力,以减少甲排放. 鉴定出含有澳大利亚藻和螺旋藻的藻类混合物是可持续农业的有希望的候选者.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 海洋生物学 海洋生物学
背景情况:
- 畜牧业的甲生产对全球温室气体排放作出了重大贡献.
- 一种海洋藻类 - - Asparagopsis taxiformis - - 对减少甲气体有很大的希望,但面临着可扩展性问题.
- 需要替代,可扩展的料补充剂来减轻牲畜的甲排放.
研究的目的:
- 为了识别具有甲基生成抑制性质的澳大利亚淡水植物和藻类.
- 评估候选物种的化学成分和体外疗效.
- 探索用于牲畜料补充剂的海洋藻类的可持续替代品.
主要方法:
- 在体外批量测试中收集并评估了降低甲的候选淡水植物和藻类物种.
- 生物化学成分的特征,包括脂质,脂肪酸和矿物质.
- 对有前途的候选人进行多剂量测试.
主要成果:
- 确定了三种藻类混合物和一种植物 (Montia australasica) 具有降低甲产量的潜力.
- 藻类混合物主要含有Spirogyra;需要进一步测试来确认特定物种的活性.
- 藻类混合物1中的脂肪酸和M. australasica中的黄酸 (apigenin,kaempferol) 可能是甲抑制剂.
- 根据矿物成分,测试的样本在20%的含量下被认为对牲畜是安全的.
结论:
- 多种澳大利亚淡水物种显示出作为料补充剂的潜力,以减少牲畜甲.
- 这些发现为海洋来源的补充剂提供了可持续的,本地可生产的替代品.
- 建议进一步研究最佳种植,收获和储存.
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