乳制品-牛肉牛的肠道甲排放量补充了精油混合物Agolin反动物
Gemma A Miller1, Jenna M Bowen1, Richard J Dewhurst2
1Beef and Sheep Research Centre, Scotland's Rural College, West Mains Road, Edinburgh EH9 3JG, UK.
Animals : an open access journal from MDPI
|October 27, 2023
概括
用Agolin Ruminant,一种精油混合物补充乳牛,显著降低了肠道甲产量. 这种精油混合物为减轻肉牛生产中的甲排放提供了一个有前途的战略.
科学领域:
- 动物科学动物科学
- 环境科学 环境科学
- 农业科学 农业科学
背景情况:
- 农业是全球主要的甲来源之一,牲畜的肠道发酵有很大贡献.
- 乳牛肉生产是牛肉行业中的一个不断扩大的部门,增加了其对环境的影响.
- 牛的肠道甲排放占全球农业温室气体产量的很大一部分.
研究的目的:
- 评估Agolin Ruminant,一种精油混合物的有效性,以减少乳制品品种牛的肠道甲排放.
- 量化精油补充对肉牛甲产量和生产的影响.
- 在实验条件下评估Agolin Ruminant对动物福利和干物质摄入的影响.
主要方法:
- 36只荷尔斯坦弗里西亚牛被分为对照组和治疗组 (每组18只).
- 在三个时间点使用开放式呼吸室测量了甲排放:补充前,46天和补充后116天.
- 对干物质摄入量进行了监测,以评估动物福利和潜在的混因素.
主要成果:
- 补充Agolin Ruminant导致甲产量显著降低 (g CH4 / kg DMI) 在引入后的46天和116天 (分别为p <0.05和p <0.01).
- 在对照组和治疗组之间没有观察到总甲产量 (g/day) 的显著差异.
- 对照动物在呼吸室中隔离时,与接受Agolin Ruminant的动物相比,干物摄入量减少得更大,这表明有潜在的减压作用.
结论:
- 补充Agolin Ruminant有效地减少了乳品养牛的肠道甲产量,而不会改变整体甲产量.
- 补充精油可能是减轻牛肉行业温室气体排放的可行策略.
- 此外,Agolin Ruminant还可以通过减少环境压力因素对料摄入的负面影响来积极影响动物福祉.
相关概念视频
01:29Overview of Archaea
Archaea, named after the Archaean eon, represent a unique domain of life, distinct from bacteria and eukaryotes, with remarkable traits. Their cellular and molecular features, ecological adaptability, and industrial relevance highlight their importance in understanding life processes and leveraging biotechnology.Cellular and Molecular CharacteristicsA defining feature of archaea is their unique membrane composition. Archaeal membranes contain ether-linked isoprenoid lipids, which confer...
01:26Microbes and Methanogenesis
Methanogenesis is a critical microbial process in anaerobic ecosystems responsible for the biological production of methane, a potent greenhouse gas and valuable biofuel. This metabolic pathway is primarily facilitated by methanogenic archaea, which thrive in anoxic environments such as wetlands, sediments, and animal gastrointestinal tracts. The absence of oxygen in these habitats prevents aerobic respiration, thereby favoring alternative biochemical pathways for organic matter degradation.In...
01:27Microbes and Climate Change
Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
01:29Microbes in Food Production
Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
01:25Clinical Significance of Antibiotic Resistance
Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...