氧化和硫酸盐的组合控制了在回收便固体中引起环境乳腺炎的病原体
Selladurai Praveen1, Mukund A Kataktalware2, Priyanka Meena1
1Livestock Production Management, Dairy Production Section, Southern Regional Station, ICAR- National Dairy Research Institute, Adugodi, Bengaluru, Karnataka, 560030, India.
Bioresources and bioprocessing
|October 8, 2024
概括
用氧化 (CH) 和硫酸盐 (SHS) 处理的回收肥固体 (RMS) 有效控制了引起乳腺炎的病原体,如大肠杆菌和Klebsiella spp. 这项床铺修正案为乳制品农场提供了一个可持续的解决方案.
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:
- 回收肥固体 (RMS) 是一种丰富,低成本和环保的牛床材.
- 在RMS中的高含水量促进微生物生长,阻碍其使用,并可能导致环境乳腺炎.
- 乳牛床中的有效病原体控制对于动物健康和农场可持续性至关重要.
研究的目的:
- 评估氧化 (CH) 和硫酸盐 (SHS) 对RMS的物理化学和微生物特性的影响.
- 确定单独和组合的CH和SHS在抑制RMS中关键乳腺炎引起的病原体中的有效性.
- 为了确定最佳的治疗水平和深度,以控制RMS床铺中的病原体.
主要方法:
- 在体外研究评估不同度的CH (5%和7.5%) 和SHS (6%和8%) 对RMS的影响.
- 治疗方法独立地和组合地应用于RMS的不同深度.
- 物理化学性质 (pH,水分) 和微生物种群 (大肠杆菌,克莱布塞拉种类,大肠杆菌,街角球菌种类). 进行了分析.
主要成果:
- 氧化 (CH) 处理增加了RMS的pH值,降低了RMS中的水分含量.
- 7.5%CH与6%或8%SHS的组合显著抑制了大肠杆菌和Klebsiella spp. 在15-20厘米的深度.
- 特定的组合有效地抑制了大肠杆菌和Streptococcus spp. 增长,表明广泛的病原体控制.
结论:
- 7.5%CH和6%或8%SHS的组合在RMS中以15厘米的深度应用,对于控制环境乳腺炎病原体非常有效.
- 这种处理策略提供了一种有前途的方法,可以提高再生肥料固体的微生物安全性,作为乳牛的床铺.
- 优化RMS治疗可以提高动物福利,并减少乳牛群中乳腺炎的发生率.
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