Effect of Addition of Dried Beet-pulp on Silage Fermentation Quality of Fish Waste Inoculated with Lactic Acid Bacteria

TL;DRAbstract

[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 n

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