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Development of a new disposal method of fresh animal by-products
https://doi.org/10.26898/0370-8799-2025-11-9
Abstract
The method for disposal of freshly obtained by-products of animal husbandry consists of separating fresh manure and/or droppings into liquid and solid fractions by preliminary dilution with water, followed by homogenization and separation. The liquid fraction was used as a liquid bioorganic fertilizer. The solid fraction was used as a substrate for breeding earthworms of the family Lumbricidae with subsequent production of organic fertilizer vermicompost and earthworm biomass. Initially, the method is aimed at reducing the toxicity of freshly obtained animal by-products by diluting them with water in the ratio from 1:1.5 to 1:2.5 m3 and homogenizing them to a homogeneous state. As a result, the ha zard class is reduced to V (virtually no harm to the environment). At the same time, the ballast foreign mechanical inclusions with high (stones, rubble, metal, etc.) and low (twine, ropes, wood chips, sticks, etc.) specific mass are cleared, the former of which settle to the bottom of the tank, and the latter float to the surface, after which they are removed mechanically. The homogenized substance is then fed into a press, where squeezing and separation of the liquid fraction from the solid fraction takes place, which are collected in a separate container. The solid fraction is used as a substrate for vermicompost production by earthworms of the family Lumbricidae. The agrochemical composition of liquid and solid fractions met the GOST requirements for organic and mineral fertilizers. Toxicological characteristics of the liquid fraction indicated that it was harmless to biological objects of the environment.
About the Authors
V. V. Golembovskii
North Caucasus Federal Agrarian Research Centre
Russian Federation
Russian Federation
Vladimir V. Golembovskii, Lead Researcher, Candidate of Science in Agriculture
Mikhailovsk, Stavropol Territory
A. A. Korovin
North Caucasus Federal Agrarian Research Centre
Russian Federation
Russian Federation
Andrey A. Korovin, Lead Researcher, Doctor of Science in Medicine
49, Nikonova St., Stavropol Territory, Mikhailovsk, 356241
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Review
For citations:
Golembovskii V.V., Korovin A.A. Development of a new disposal method of fresh animal by-products. Siberian Herald of Agricultural Science. 2025;55(11):87-96. (In Russ.) https://doi.org/10.26898/0370-8799-2025-11-9
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