This standard specifies the product classification, requirements, test methods, inspection rules and marking, labeling, packaging, transportation and storage of compound feed for large yellow croaker [Pseudosciaena crocea (Richardson)]. This standard is applicable to powdered and granular compound feed for large yellow croaker. SC/T 2012-2002 Compound feed for large yellow croakerSC/T2012-2002 Standard download decompression password: www.bzxz.net

ICS 67.120.30
Aquatic Industry Standard of the People's Republic of China
SC/T 2012-2002
Formula feed for largc yellow croaker
Formula feed for largc yellow croaker2002-11-05Issued
Implemented on 2002-12-20
Issued by the Ministry of Agriculture of the People's Republic of China
This standard is formulated to regulate the production, sale and management of formula feed for largc yellow croaker and to improve product quality. This standard is proposed by the Fisheries Bureau of the Ministry of Agriculture.
This standard is under the jurisdiction of the National Technical Committee for Aquatic Standardization and the Marine Aquaculture Sub-Technical Committee. Drafting unit of this standard: Fuzhou Renchangsheng Feed Co., Ltd. The main drafters of this standard: Jiang Han, Lin Wu, Deng Xiufang, Yu Rougang, Yang Guoying, Zheng Zhixiong, SC./T 2012—2002
1 Scope
Formulated feed for large yellow croaker
SC/T2012-2002
Who defines the large yellow croaker [Psudosciaena crocea/（ng/kg）
(Calculated as Cd)/(mg/kg)
Mold (unique yeast)/(lu/g）
5.1 Sensory test
Table 3 Hygiene index
Filling quantity
SC/T 2012--2002
Pour the sample into a clean white porcelain dish and evaluate it by normal sensory test in an odor-free environment. 5.2 Powdered feed viscosity test
5.2.1 Instrument
Balance: Sensitivity is 0.1.
Graduating cylinder: 200mL.
1000mL According to the porcelain:
5.2. 2 Experimental steps
Weigh 50 μg of the original sample into a porcelain basin, add 50ml.-60ml. distilled water, stir by hand at room temperature into a mass, with good viscosity.
5.3 Determination of the particle size of raw materials
Sieve with 200×50-0.2/0.11 test sieve (GB/T6003.1) and 200×50-0.25/0.16 test sieve (GB3/T6003.1-1997). After the implementation of GB/T5917 standard, use a long-T brush to brush gently until the powder can no longer be sieved, and gently tap the brush on the sieve frame for 10,000 times to shake off the material. Weigh and calculate the sieve. 5.4 Test for mixing uniformity
According to the provisions of (G13/T5918.
5.5 Determination of powder content in granular feed
5.5.1 Instruments
Balance: Sensitivity 0.1g
Test sieve: 200×50-0.5/0.315 test sieve. Oscillator.
5.5.2 Experimental steps
Weigh about 250α of the original sample, put it into the test sieve, sieve it on the oscillator for 5 minutes, and weigh the sieve. 5.5 3 Calculation
Calculate the powder content according to formula (1)
Wherein:
Sample powder content. %;
Weight of undersize, in grams ():
m: Sample weight, in grams (g) 5.6 Determination of crude protein
According to GR/T6432
SC/T 20122002
5. 7 Determination of crude fat
According to GB/T6433.
5.8 Determination of crude fiber
According to GB/T6434,
5. 9 Determination of moisture
According to GB/T643,
5.10 Determination of calcium
According to GB/T6436.
5.11 Determination of total phosphorus
According to GB/T 6137
5.12 Determination of crude ash
According to GB/T6438.
5.13 Determination of hydrochloric acid insoluble matter
According to 5.9 of SC/T3501-1996.
5.14 Determination of lysinewww.bzxz.net
According to GB/T18246.
5.15 Determination of salt
According to GB/6439.
5.16 Determination of volatile basic nitrogen
According to GB/T5009.45.
5. 17 Determination of total arsenic
According to GB/T13071.
5.18 Determination of lead
According to GB/T13080,
5.19 Determination of mercury
According to GB/T13081.
5-20 Determination of cadmium
According to GB/T13082
5.21 Determination of mold
According to GB/T13092. ||t t||6 Inspection rules
6.1 Sampling and batching rules
6.1.1 Composition of batches
The same products produced in one shift are grouped into one batch. 6.1.2 Sampling method
According to the provisions of (13/T14699.1):
6-2 Inspection classification
6.2.1 The items of factory inspection are sensitivity index, raw material crushing particle size, powder feed viscosity, granular feed powder content, relative protein content, moisture content and packaging.
6.2.2 The items of type inspection are the enterprise items of technical requirements. If any of the following situations occurs, a type inspection should be conducted: when a new product is put into production, when the process and formula have changed significantly, which may affect the product performance; 4
In normal production, an inspection should be conducted every six months: when production is stopped for more than three months and when production is resumed; when there is a significant difference between the inspection and the last type inspection; when the national quality supervision and inspection agency proposes a type inspection. 6.3 Judgment rules
SC/T20122002
6.3.1 If any of the sanitary indicators inspected does not meet the standard requirements or there is mildew, rancidity, caking, or worms, the batch of products shall be judged as unqualified products.
6.3.2 If any of the other indicators inspected does not meet the standard requirements, the unqualified items shall be re-inspected. If the re-inspection results still do not meet the standard requirements, the batch of products shall be judged as unqualified products: 7 Marking, labeling, packaging, transportation and storage 7.1 Marking, labeling
Product marking and labeling shall be implemented in accordance with GB10618. 7.2 Packaging
The product is packaged in a bag with seams. The seams should be firm and not damaged or leaking. The packaging material should be moisture-proof, leak-proof and tensile-resistant. The packaging bag should be clean, pollution-free and have clear printing. 7.3 Transportation
When transporting the product, it is not allowed to use vehicles that have been used to transport chemicals, pesticides, coal, stone and other pollutants that have not been disinfected. During transportation, it should be protected from exposure to the sun and rain. During loading and unloading, it is strictly forbidden to use hand hooks for transportation. It should be placed with care. 7.4 Storage
The product should be stored in a dry and cool warehouse to prevent moisture, pollution from harmful substances, rodent damage and other damage. 7.5 Shelf life
The shelf life of the product is 3 months,
SC/T2012-2002
The People's Republic of China Aquatic Products
Industry Standard
Big Yellow Croaker Compound Feed
SC/T 2012--2002
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