多种剑对反动物发酵,甲排放和气候关怀牛养殖潜力的影响 - - 一项体外研究
M U Hassan1, P Sidoruk1, D Lechniak2
1Poznań University of Life Sciences, Department of Animal Nutrition, Wołyńska 33, 60-637 Poznań, Poland.
Animal : an international journal of animal bioscience
|December 21, 2024
概括
多种多种的草原剑,如色平原和红三叶草,减少来自牛的温室气体排放. 这种可持续的料替代品降低了甲和氨的含量,支持气候友好的农业实践.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 动物营养 动物营养
背景情况:
- 畜牧业的反动物是温室气体 (GHG) 排放的重要来源,包括甲 (CH4) 和氧化.
- 传统的单一种植草地需要大量的肥料投入,导致温室气体排放和水污染.
- 需要可持续的替代品来减轻畜牧业对环境的影响.
研究的目的:
- 为了研究多种草地剑对体外转体发酵和干物质消化能力的影响.
- 评估无肥料植物混合物的潜力,作为牲畜生产的可持续料.
主要方法:
- 测试了三种无肥料的植物混合物:多年生麦草 (PRG) +红三叶草 (RC),香草 (C) + RC,和草 (PLA) + RC.
- 一种控制混合PRG+RC与肥料一起种植.
- 在实验室中分析了类发酵参数,温室气体生产和微生物计数.
主要成果:
- 与对照组相比,PLA + RC混合物显著降低了甲 (CH4) 和反氨 (NH3) 度,分别为14.7%和28.8%.
- 这种混合物还增加了酸盐和降低了酸盐和丁酸盐度,改变了酸盐和酸盐的比率.
- 而PLA+RC混合物导致了原生动物和甲原体总数的减少.
结论:
- 在没有施肥的情况下种植的调味植物和红三叶草混合物 (PLA+RC) 显示出作为可持续料来源的潜力.
- 这种混合物可以通过减少温室气体排放,为气候友好型牛畜生产做出贡献.
- 结果与可持续农业和畜牧业减缓气候变化的目标相一致.
相关概念视频
01:50Global Climate Change
24.4K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
24.4K
01:29Overview of Archaea
1.9K
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...
1.9K
01:26Microbes and Methanogenesis
84
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...
84
01:27Microbes and Climate Change
88
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...
88
01:29Microbes in Food Production
395
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...
395
01:27Microbes in the Production of Fermented Foods
324
Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
324