减少在韩国的商业肉养殖场使用抗菌剂的生物安全实践
1College of Veterinary Medicine & Institute for Veterinary Biomedical Science, Kyungpook National University, Daegu 41556, Republic of Korea.
The journal of poultry science
|January 9, 2025
概括
实施农场生物安全可显著减少抗微生物药物的使用和抗微生物药物耐药细菌的流行,改善整体群体健康和生产力. 加强生物安全是可持续农业实践的关键.
科学领域:
- 动物科学动物科学
- 兽医公共卫生 兽医公共卫生
- 微生物学 微生物学
背景情况:
- 农场生物安全对于最大限度地减少牲畜过度使用抗菌素至关重要.
- 评估生物安全对抗微生物药物使用的直接影响是复杂的,因为多因素的影响.
- 抗菌素耐药性 (AMR) 是日益严重的全球健康问题,需要制定减少农业抗菌素消费的战略.
研究的目的:
- 评估生物安全实践对家禽养殖场生产率的影响.
- 确定生物安全措施与抗微生物药物使用频率之间的关系.
- 研究生物安全对环境细菌抗菌素耐药性的发展和流行的影响.
主要方法:
- 对具有和没有特定生物安全协议的农场进行比较分析.
- 与生物安全实施有关的生产力指标 (死亡率,生存率,生产指数) 的统计评估.
- 评估抗微生物药物使用频率和环境样本中多药耐药性大肠杆菌的流行率.
主要成果:
- 加强生物安全的农场 (例如,不重复使用床铺,兽医指导,严格的卫生) 显示出明显更高的生产率 (p < 0.05).
- 缺乏生物安全实践与抗微生物药物的使用增加 (1至3倍) 相关联,而实施导致了更受控制的使用 (p < 0.05).
- 生物安全实践显著降低了对素和氨基醇耐药的环境大肠杆菌的流行率 (p < 0.05).
结论:
- 提高农场生物安全性与禽畜养殖中抗菌药物消耗的减少直接相关.
- 实施强有力的生物安全措施有效地减少了抗微生物耐药细菌的发生率和环境负载.
- 生物安全是提高动物健康,提高农场生产率和缓解抗菌素耐药性传播的重要工具.
相关概念视频
Biological Methods for Microbial Control
Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
Methods for Controlling Microbial Growth
1
Microbial growth control refers to various methods employed to inhibit, reduce, or eliminate microorganisms to ensure safety and hygiene across different settings. These methods are categorized based on the target environment and the level of microbial control required.Biocides are versatile agents designed to control microorganisms by either inhibiting their growth or outright killing them. These agents work through various physical, chemical, mechanical, or biological mechanisms. The...
1
Key Techniques in Microbiology
Aseptic techniques prevent contamination, ensure experimental accuracy, and protect researchers and microbial cultures. These techniques are essential in clinical, industrial, and research settings where sterility is required.Maintaining Sterility in Laboratory PracticesScientists maintain sterility by sterilizing tools with heat or chemicals, disinfecting work surfaces, and handling cultures in controlled environments. Working near an open flame or within a laminar flow hood reduces the risk...
Microorganisms in Agriculture and Food industry
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...


