实用的微藻补充:在商业层生产中减少来自便的氨排放
Zihao Yu1, Xin Ma2, Tiao Long1
1College of Animal Science, South China Agricultural University, Guangzhou, 510642, Guangdong, China.
Journal of animal science and biotechnology
|October 27, 2025
概括
化合物微藻粉显著降低了产卵母肥的氨排放量,高达77.84%. 这种环保的料添加剂重塑了肠道微生物群和代谢,为禽业的气味污染提供了可持续的解决方案.
科学领域:
- 动物科学动物科学
- 环境科学 环境科学
- 微生物学 微生物学
背景情况:
- 密集的层繁殖加剧了氨 (NH3) 污染,需要绿色工业转型.
- 从家禽养殖中产生的气味污染给环境带来了挑战.
- 需要可持续的解决方案来减轻家禽行业的氨排放.
研究的目的:
- 评估复合微藻粉对产卵母肥产生的氨 (NH3) 排放的监管作用.
- 为了研究不同微藻比对氨减少的影响.
- 阐明微藻粉对便微生物群落和代谢的影响背后的机制.
主要方法:
- 复合微藻粉 (Chlorella vulgaris,Spirulina platensis,Haematococcus pluvialis) 在不同的比例中添加到产母的料中.
- 在24小时内分析了便中的静态氨 (NH3) 生产.
- 气色谱-质谱学 (GC/MS) 和16SrRNA测序用于分析微生物群体结构和代谢.
主要成果:
- 与对照组相比,添加0.50%的复合微藻粉末可以将NH3排放量减少40.47%-77.84%.
- 富含Spirulina platensis的组表现出最大的排放减少 (77.84%).
- 微藻粉改变了微生物群落,减少了产生氨的细菌,增加了产生酸的细菌,同时促进了无机到有机的转化.
结论:
- 复合微藻粉有效降低产卵肥产生的氨排放量.
- 该机制涉及调节产生酸和产生氨的细菌,并重塑代谢网络.
- 这项研究提供了支持微藻粉作为可持续家禽养殖环境友好的料添加剂的数据.
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