微藻作为水产养殖中的鱼粉替代品:现状,现有问题和可能的解决方案
Shiyang Gao1, Weijun Chen2, Shenping Cao3
1College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471000, China.
Environmental science and pollution research international
|February 5, 2024
概括
微藻可以作为水产养殖中鱼粉的可持续替代品. 研究审查了各种水生物种的最佳替代水平,解决了成本和消化能力等挑战.
科学领域:
- 水产养殖营养水产养殖营养
- 可持续的料成分 可持续的料成分
- 海洋生物技术 海洋生物技术
背景情况:
- 鱼粉是水产养殖料的重要成分,但其有限的供应和高成本需要可持续的替代品.
- 微藻提供了高蛋白,富含营养的选择,有可能在水生饮食中取代鱼粉.
- 优化微藻含量水平是确保养殖水生动物有益生长和料利用的关键.
研究的目的:
- 对不同水生物种的微藻类鱼粉的最大替代水平进行审查.
- 确定和讨论与使用微藻作为鱼粉替代品相关的主要挑战.
- 提出潜在的解决方案,以克服水产养殖料配方中的这些挑战.
主要方法:
- 关于微藻作为鱼粉替代品的现有研究的文献综述.
- 基于物种和饮食需求的不同微藻替代百分比的分析.
- 识别常见问题,如生产成本,消化能力和反营养因素.
主要成果:
- 微藻可以在不同程度上取代鱼粉蛋白质:100% (鱼),95% (,鱼),64.1% (鱼),25.6% (海洋鱼) 和18.6% (鱼,鱼).
- 关键的挑战包括微藻的生产成本,低消化能力和反营养因素的存在.
- 影响最佳替代水平的因素包括微藻种类,鱼的养习惯和料质量.
结论:
- 微藻类是水产养殖料中鱼粉的可行和有前途的替代品.
- 解决生产可扩展性,成本效益和营养增强问题对于广泛采用至关重要.
- 对加工和配方策略的进一步研究可以优化水生饮食中的微藻利用.
相关概念视频
01:28Overview of Algae
1.6K
The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...
1.6K
01:23Red Algae
2.0K
Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
2.0K
01:21Green Algae
1.1K
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
1.1K
01:19Other Algae
625
The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
625
01:26Microbial Bioremediation of Hydrocarbons
150
Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to...
150
01:25Biofuels
107
The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
107