METHOD OF OBTAINING FODDER PRODUCT FROM SLIMY PRECIPITATES OF SEWAGE WATER TREATMENT PLANTS
FIELD: agricultural industry. ^ SUBSTANCE: method consists in using biological sludge as the main fodder product component whereto added and mixed therewith are auxiliary components. Biological sludge is subject to separation or natural fermentation during 0.5-6 months; after auxiliary components ha...
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Zusammenfassung: | FIELD: agricultural industry. ^ SUBSTANCE: method consists in using biological sludge as the main fodder product component whereto added and mixed therewith are auxiliary components. Biological sludge is subject to separation or natural fermentation during 0.5-6 months; after auxiliary components have been added and mixed, mixture is homogenised or reduced to fragments; sea water or salt solution is added to the mixture in the ratio of dry mixture to sea water or salt solution 1:2-3, and then mixture is heat-treated at temperature of 98-105°C for not less than 30 minutes; at that auxiliary components are chosen from the following group: powdered fish, powdered alga and fodder yeast, which are added to biological sludge at the following ratio, wt %: biological sludge - 50.0-70.0, auxiliary components - 50.0-30.0. ^ EFFECT: improving growth of young non-pigmented and pigmented trepang fish. ^ 2 cl, 1 tbl, 1 ex |
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