GB/T17890, 1999
Feed uses corn Maizeforfeedstuffs
1 limits
The definition that this standard fixed to feed uses corn, requirement, sample, law of check proved recipe, test gauge criterion, pack, carry and keep in storage. This standard is applied to buy, keep in storage, carry, the commodity feed of treatment, sale uses corn.
2 cite standard
The clause that following standard place contains, through citing in this standard compose makes the clause of this standard. When this standard is published, what show version to all be effective. All standards can be edited, use this level each just should be discussed use following level the possibility of newest version.
GB1353, 1999 corn
GB/T6432, thick albumen determines in 1994 feed method
GB/T6435, of 1986 feed moisture determine method
3 definitions
This standard uses following definition.
3.1 unit weight
Corn seed bead is in the quality inside unit volume, in order to overcome / litre (G/L) expresses.
3.2 not perfect bead
Not perfect bead includes following be injured but the corn bead that still raise uses value.
Bead of 3.2.1 bug corrode
By corrode of bug eat by moth, the injury reachs the grain of embryo or albumen.
Bead of 3.2.2 ill spot
Bead face contains ill spot, the injury reachs the grain of embryo or albumen. Damaged of 3.2.3 bead of broken kernel seed reach volume of this seed bead 1/5 (contain) the seed bead of above. 3.2.4 sprouted kernel bud or radicle break through cuticular grain. The grain of mildew of look unfamiliar of bead of 3.2.5 mildew bead. The grain that the embryo after be heated of 3.2.6 fire damage bead or albumen had become angry significantly or injures.
3.3 impurity
Can carry the material that diametical 3.0mm round hole sifts; Use the corn of value without raise; The other material beyond corn.
3.4 crude protein
Azotic quantity is contained to multiply in feed with 6.25.
4 requirements
4.1 quality index
Feed presses not unit weight, crude protein, perfect bead to classify with corn.
4.2 sanitation examine and move plant quarantine to be carried out according to national relevant specification and regulation.
5 sample
Sample to be carried out according to GB1353.
Law of 6 check proved recipe
6.1 thick albumen
Qualitative content determines to be carried out according to GB/T6432.
6.2 moisture content determines to be carried out according to GB/T6435.
Not 6.3 colour and lustre, odour, unit weight, perfect bead, impurity determines to be carried out according to GB1353.
7 test gauge criterion
Test gauge is carried out according to GB1353.
8 pack, carry and keep in storage is packed, carry and keep in storage is carried out according to GB1353