METHOD FOR PREPARING DRY FEED FOR DOGS AND FUR ANIMALS Russian patent published in 2003 - IPC

FIELD: feed production. SUBSTANCE: method involves producing mixture of water and feed components until moisture content reaches value not in the excess of 40%; providing thermal processing of mixture at temperature not in the excess of 200 C and extruding, with feed components being raw material of plant or animal origin used in the ratio of 4:1. In the process of obtaining mixture, water or whey is introduced by spraying and pressure of 2-6 MPa is created in extruder in front of die. Method further involves enriching feed with water-soluble and/or fat-soluble vitamins; drying in closed cycle at temperature not in the excess of 70 C for 15-40 min; filling containers with ready product and packing. EFFECT: improved quality, increased biological and nutritive value and prolonged shelf life of ready feed product. 1 tbl