[Objective] This study was to further enhance previous research in finding appropriate methods for preservation and utilization of fish waste.[Method]Fresh fish waste（head and viscera）from arabesque greenling（Pleur...[Objective] This study was to further enhance previous research in finding appropriate methods for preservation and utilization of fish waste.[Method]Fresh fish waste（head and viscera）from arabesque greenling（Pleurogrammus azonus）was mixed with dried beet-pulp and beet molasses at a ratio of 70：20：10 on fresh matter basis,respectively.These were inoculated with /without a commercial inoculant of Lactobacillus plantarum and ensiled at room temperature for 15,30,60 and 90 days.Fermentation quality and chemical composition of the silages were evaluated and a feeding trial conducted using hen layers with fish waste silage replacing 25% of a commercial formulated diet on dry matter basis.[Result] The concentration of lactic acid in the silages tended to increase with extension of the ensiling period and was significantly（P 〈 0.05）enhanced by the inoculant.The pH declined from 6.5 to around 4.4 during the first 15 days of the ensiling period and did not change much thereafter.The non-protein nitrogen（NPN）content increased two folds after 15 days in all silages relative to the material but the rate of volatile basic nitrogen（VBN）to total nitrogen（TN）was less than 10%.Feed intake and egg production was similar with replacement of 25% of the commercial formulated diet with fish waste silage.展开更多
目的进行受控生态生命保障系统(controlled ecological life support system,CELSS)氧气流动及废弃物发酵处理研究,解决载人航天工程技术发展中生命保障问题。方法以"人-红萍-鱼"CELSS的氧气流动为着眼点,详细分析了CELSS氧...目的进行受控生态生命保障系统(controlled ecological life support system,CELSS)氧气流动及废弃物发酵处理研究,解决载人航天工程技术发展中生命保障问题。方法以"人-红萍-鱼"CELSS的氧气流动为着眼点,详细分析了CELSS氧气生产与供应能力,得出氧气盈缺平衡能力。结果在剥离生物可降解废物氧化降解需氧量的情况下,栽培面积50.4 m^2的红萍,可满足2人及100 kg鱼三者共生的CELSS氧气需求。结论发酵型生化反应器与红萍养殖循环系统有机耦合的废弃物发酵处理装置,是降解废弃物、优化系统耗氧、提高物质循环闭合度的一个有效途径。展开更多
基金Founded by NEDO:new energy and industrial Technology Development Organization for the study on development of utilization technology for the final residue
文摘[Objective] This study was to further enhance previous research in finding appropriate methods for preservation and utilization of fish waste.[Method]Fresh fish waste（head and viscera）from arabesque greenling（Pleurogrammus azonus）was mixed with dried beet-pulp and beet molasses at a ratio of 70：20：10 on fresh matter basis,respectively.These were inoculated with /without a commercial inoculant of Lactobacillus plantarum and ensiled at room temperature for 15,30,60 and 90 days.Fermentation quality and chemical composition of the silages were evaluated and a feeding trial conducted using hen layers with fish waste silage replacing 25% of a commercial formulated diet on dry matter basis.[Result] The concentration of lactic acid in the silages tended to increase with extension of the ensiling period and was significantly（P 〈 0.05）enhanced by the inoculant.The pH declined from 6.5 to around 4.4 during the first 15 days of the ensiling period and did not change much thereafter.The non-protein nitrogen（NPN）content increased two folds after 15 days in all silages relative to the material but the rate of volatile basic nitrogen（VBN）to total nitrogen（TN）was less than 10%.Feed intake and egg production was similar with replacement of 25% of the commercial formulated diet with fish waste silage.
文摘目的进行受控生态生命保障系统(controlled ecological life support system,CELSS)氧气流动及废弃物发酵处理研究,解决载人航天工程技术发展中生命保障问题。方法以"人-红萍-鱼"CELSS的氧气流动为着眼点,详细分析了CELSS氧气生产与供应能力,得出氧气盈缺平衡能力。结果在剥离生物可降解废物氧化降解需氧量的情况下,栽培面积50.4 m^2的红萍,可满足2人及100 kg鱼三者共生的CELSS氧气需求。结论发酵型生化反应器与红萍养殖循环系统有机耦合的废弃物发酵处理装置,是降解废弃物、优化系统耗氧、提高物质循环闭合度的一个有效途径。
