METHOD OF PRODUCTION OF FAST-FROZEN MINERAL-VITAMIN ADDITIVES FOR SUPPLEMENTARY FEEDING OF ANIMALS Russian patent published in 2015 - IPC A23K1/175 

FIELD: agriculture.

SUBSTANCE: biogenic (organic) type of lake sapropel with a moisture content of 60% is mixed with the green mass of forage grasses and crops with a moisture content of 70% and crushed to a size of no more than 10 mm at a weight ratio of green mass to the sapropel of 1:1. The resulting mixture is briquetted in moulds with a volume of 1000±50 g, frozen rapidly at a temperature of not less than -35°C for 2.5 hours and stored. The briquettes are packed in three-layer sacks of paper or composite materials at a temperature of not less than -15°C.

EFFECT: use of the invention enables to obtain a product with a high content of macro-, trace elements and vitamins.

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