文献类型： 外文期刊
作者： Liu, Rongda 1 ; Xing, Shujuan 1 ; Cheng, Hongyuan 1 ; Liang, Xiaofang 1 ; Wang, Jia 2 ; Wang, Jie 1 ; Longshaw, Matt 3 ; Hou, Lei 4 ; Xue, Min 1 ; Wang, Hao 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Feed Res, Beijing 100081, Peoples R China
2.Calysta China Ltd, Shanghai 200041, Peoples R China
3.Calysta UK Ltd, Redcar, Cleveland, England
4.Blue Ocean Shenzhen Technol Co Ltd, Shenzhen 518000, Peoples R China
关键词： Extrusion; Methanotroph(Methylococcuscapsulatus Bath); bacteria meal(FeedKind (R)); Low-starch extrudates; Physical quality; Economize energy
期刊名称：AQUACULTURE REPORTS （ 影响因子：3.7； 五年影响因子：3.8 ）
ISSN： 2352-5134
年卷期： 2023 年 33 卷
页码：
收录情况： SCI
摘要： The development of fishmeal (FM) alternatives for feed in aquaculture is essential for sustainable and economic fish farming. A study was undertaken to evaluate the potential of a novel bacteria meal (FeedKind (R) (FK)) as fishmeal substitute. There are significant differences between fishmeal and FeedKind (R) in viscosity, water ab-sorption, water-soluble protein, oil absorption and other physicochemical properties, which in turn affects the physical quality of feed. Increasing FK content will enhance the pellet durability (P < 0.05) and the expansion (P < 0.01), and decrease the oil leakage (P < 0.05) of the extruded feed pellets. This indicates that FK can be used as a feasible substitute for FM to improve the physical qualities of low-starch floating extrudates. The optimal lower moisture content (24.3%-24.9%) and temperature (127.6 C-degrees-136.7 degrees C) requirement in extrusion after FM is replaced by FK is conducive to reducing the consumption of water and electric energy in the drying process, which contributes to the low carbon emissions and sustainable production of fish feed.
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