DB63/T 2250-2024 - Technical Specification for Production of Fermented Essence Supplement for House-fed Yak

Scope: This document specifies the production technology of fermented concentrated feed for yaks in barns, including the feed requirements, fermentation strains, fermentation process, quality control, labeling, packaging, storage and transportation, and feeding methods. This document is applicable to feed products produced by solid-state fermentation using Lactobacillus rhamnosus, Pediococcus acidilactici, Lactobacillus casei from yak rumen, Saccharomyces cerevisiae, Pichia pastoris from highland barley lees as fermentation strains, and concentrated feed for yaks in barns as fermentation substrates.

DB63/T 2250-2024 Referenced Document

GB/T 14699.1 Feeding stuffs--Sampling
GB/T 17480 Determination of aflatoxin B in animal feeding stuffs.Enzyme-linked immunosorbent assay
GB/T 19540 Determination of zearalenone in feeds
GB/T 20194 Determination of starch in feeds—Polarimetry
GB/T 20804 Trace minerals and vitamins premix of dairy cattle
GB/T 28715 Determination of acidic and neutral protease activity in feed additives.Spetrophotometric method
GB/T 30956 Determination of deoxynivalenol in feeds.High performance liquid chromatography with immunoaffinity column clean-up
GB/T 34224 Method for determination of functional microorganism in biologic products
GB/T 37493 Inspection of grain and oils—Determination of soluble sugar in cereals and pules seeds—Shaffer-Somogyi
GB/T 5521 Colorimetric method for the determination of α-amylase activity in grains and oils and their products
GB/T 5523 Inspection of grains and oils.Determination of lipase activity of grain and oilseeds
GB/T 6432 Determination of crude protein in feeds—Kjeldahl method
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 9724 Chemical reagent.General rule for the determination of pH
NY/T 1459 Determination of acid detergent fiber in feed
NY/T 912 Spectrophotometric method for determination of cellulase activity in feed additives
SB/T 10318 Analysis of ammoniacal nitrogen

2024 DB63/T 2250-2024 Technical Specification for Production of Fermented Essence Supplement for House-fed Yak