T/NAASS 108-2024 Ningxia Caragana Pellet Feed Processing Technical Specifications

Scope

Scope: This document specifies the terms and definitions, raw materials, processing, and quality evaluation for the processing of carcine grain feed in Ningxia. This document is applicable to the processing of carcine grain feed in Ningxia. Main Technical Content: 3 Terms and Definitions The following terms and definitions apply to this document: Carcine grain feed: A granular feed made from carcine as the main raw material, which is processed through steps such as shredding, mixing, granulating, cooling, and drying. 4 Raw Material Harvesting Harvesting shall follow the requirements of DB64/T 1154. Drying: Select sunny weather for harvesting. After harvesting, spread the material evenly to dry in the field, then collect and transport it to the feed mill for further drying to prevent mold and spoilage. The moisture content can also be reduced to ≤14% using drying equipment. Hygiene indicators shall comply with GB 13078. 5 Processing 5.1 Shredding and Pulverizing Use a shredding and pulverizing machine to shred, pulverize, and mix the raw materials. The pulverized material should pass through a 6 mm sieve. 5.2 Weighing and Ingredient Addition Weigh the feed according to the recipe and record the results. When selecting an automatic weighing ingredient machine, regularly calibrate the weighing instruments. 5.3 Mixing and Stirring Determine the appropriate mixing time and raw material loading sequence based on the mixer model and feed formula. Stir continuously until the feed is fully mixed. Add binder or molasses, and the binder shall comply with NY/T 471. The feed moisture content should be controlled between 15% and 17%. 5.4 Granulating Use a thick-walled ring die for carcine granules. Feed the mixed carcine into the granulator storage hopper and adjust the compression ratio to 1:5–1:6. Select different-sized dies based on the feeding target: sheep feed using 4–6 mm ring die holes, and cattle feed using 6–8 mm ring die holes. The gr

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