High-fat and high-protein animal feed supplement and process of manufacture

A method for producing a feed product, the method comprising the steps of:

• providing a material to be treated, the treated material having an initial composition of a first nutritional value, the initial composition comprising at least (a) a first protein content and (b) a first fat/oil content;
• advancing the treated material through an extruder comprising a plurality of alternating stages of compression and release;
• dispensing the treated material from the extruder into an expandable container comprising a housing, the housing having a top portion, a bottom portion, side walls defining an initial shape having a centerline in a circumferential direction of the expandable container, and at least one expandable panel disposed within at least one side wall of the housing;
• compressing a volume of the treated material within the expandable container to produce a final product comprising a final composition formed as a solid having a substantially uniform density throughout;
• producing, without adding any nutritional additives or binders to the treated material, the final product having a second nutritional value comprising a second fat/oil content, on a dry basis, within a range of about 112% to 116% of the first fat/oil content;
• and
• expanding the at least one expandable panel and the side walls of the expandable container to define a configuration of the expandable container, without expanding the top portion, by compressing the volume of the treated material within the expandable container such that a shape of the housing changes from an initial shape so that a centerline expands approximately within a range of 40%-65% to define the configuration of the expandable container having a substantially parabolic shape;
• and
• forming a water seal between the final product and an inside portion of the side walls of the housing by compressing the volume of the treated material such that the treated material bonds to the inside portion of the side walls to form the water seal for preventing water from entering the housing in the configuration of the expandable container.