protein content in feed

protein content in feed, Total:175 items.

The international standard classification for "protein content in feed" includes: Animal feeding stuffs , Textiles in general , Man-made fibres .

The Chinese standard classification for "protein content in feed" includes: Livestock and poultry feed and additive , Cereal crop and forage crop in general , Silk and silk fabric in general , Basic standard and general method on forestry , Chemical fibre in general .

Hebei Provincial Standard of the People's Republic of China

DB13/T 1098-2009 Determination of protein in feed

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
GB/T 40154-2021 Feed material—Cottonseed protein
BJS 201915 Determination of casein content in milk-containing beverages and their milk raw materials
GB/T 24318-2009 Determination of total nitrogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation of the crude protein content
GB/T 22260-2023 Determination of anabolic steroids in feeds—Liquid chromatography-tandem mass spectrometry
GB/T 21318-2009 Determination of total nirogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation o the crude protein content
GB/T 44214-2024 Test method for non-protein content in silk
GB/T 6432-1994 Method for the determination of crude protein in feedstuffs
GB/T 6432-2018 Determination of crude protein in feeds—Kjeldahl method
GB/T 35809-2018 Method for analysis of forestry biomass—Determination of protein content
GB/T 17811-2025 Determination of pepsin digestibility for animal-derived protein feeds—Filtration method
GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method

Group Standards of the People's Republic of China

T/QGCML 2198-2023 Single feed: rice protein powder
T/SIACN 03-2016 Feed raw material Potato protein powder
T/CSWSL 021-2020 Feed materials—Soy protein hydrolysate
T/HXCY 022-2021 Operating Procedure for Determination of Crude Protein Content of Paper Mulberry Silage by Near-Infrared Spectrum（NIRS）Technology
T/ZJBX 10-2021 Determination of the proportion of protein hydrolysates with relative molecular weight less than 1000u in protein feed
T/NAIA 060-2021 Determination of true protein in feed Kjeldahl method

Jilin Provincial Standard of the People's Republic of China

DB22/T 1818-2013 Determination of urea-formaldehyde polymer in protein feed

Professional Standard - Agriculture

220药典三部-2020 Content Determination Method 0731 Protein Content Determination Method
NY/T 685-2003 Corn gluten meal for feedstuffs
NY/T 3801-2020 Determination of acid-soluble protein in feed materials
NY/T 4751-2025 Feed Raw Material Rice Protein Powder
NY/T 4676-2025 Feed Raw Material Concentrated Soybean Protein
2330药典二部-2010 Appendix VII M Determination of protein content

Taiwan Provincial Standard of the People's Republic of China

CNS 2770.5-1986 Method of Test for Feeds : Determination of Crude Protein
CNS 2713-1978 Method for Determining of Digest Protein of Feather Meal
CNS 2770-5-1986 Method of Test for Feeds : Determination of Crude Protein

Professional Standard - Textile

FZ/T 50018-2013 Determination of the protein content of the protein viscose fiber

Hunan Provincial Standard of the People's Republic of China

DB43/T 885-2014 Feed material dephenolized cottonseed protein
DB43/T 1061-2015 Feed Raw Material Rice Protein Powder

Professional Standard - Commodity Inspection

SN/T 0800.3-1999 Cereals and feedstuffs for import and export - Method for the determination of crude protein
SN/T 3926-2014 Determination of protein content in dairy foods,egg foods and soy foods for export - Coomassie brilliant blue method

Agricultural Standard of the People's Republic of China

农业部1068号公告-3-2008 Determination of ten kinds of anabolic androgenic steroids in feeds.High performance liquid chromatography tandem mass spectrometry
农业部783号公告-6-2006 Determination of iodinated casein in feeds.Liquid chromatography/Mass spectrometry

Gosstandart of Russia

GOST 13496.4-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 13496.4-2019 Fodder, мixed fodder and raw mixed fodder. Methods of nitrogen and crude protein determination
GOST 13496.4-1984 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST R 53862-2010 Mixed feeds, protein-vitamin-mineral concentrates. Method for determination of the oxiacids
GOST R 51423-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of soluble nitrogen fraction of total mass after treatment with pepsin in dilute hydrochloric acid
GOST 10846-1991 Grain and products of its processing. Method for determination of protein
GOST R 51417-1999 Feeds, mixed feeds and raw material. Determination of mass fraction of nitrogen and calculation of mass fraction of crude protein. Kjeldahl method
GOST 28075-1989 Vegetable fodder. Method for the determination of crude protein splitting
GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
GOST 28074-1989 Vegetable fodder. Method for the determination of crude protein solubility
GOST ISO 5983-2-2016 Feeds, compound feeds, feed raw materials. Determination of mass fraction of nitrogen and calculation of mass fraction of crude protein. Part 2. Block digestion and steam distillation method

International Organization for Standardization (ISO)

ISO 5983:1979 Animal feeding stuffs; Determination of nitrogen content and calculation of crude protein content
ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
ISO 5983:1997 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
ISO 8968-4:2016 | IDF 20-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 6655:1997 Animal feeding stuffs - Determination of soluble nitrogen content after treatment with pepsin in dilute hydrochloric acid
ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
ISO 5983-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method
ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
ISO 5983-1:2005/cor 1:2008 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method; Technical Corrigendum 1

GCC Standardization Organization

GSO ISO 5983:2002 ANIMAL FEEDING STUFFS – DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT
GSO ISO 8968-4:2021 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
GSO ISO 5983-2:2007 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method
GSO ISO 6655:2015 Animal feeding stuffs -- Determination of soluble nitrogen content after treatment with pepsin in dilute hydrochloric acid
GSO 2736:2023 Collagen and Gelatin in animal feed
BH GSO ISO 5983-1:2024 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
GSO ISO 5983-1:2007 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method

Magyar Szabványügyi Testület

MNOSZ 6832-1952 Feed desiccant, hardener and digestible protein content
MSZ 21340-1980 animal protein feed
MSZ 6830/5-1981 Determination of feed nutrition for livestock herds, determination of digestible protein content
MSZ 05 26.1510-1983 Protein content 40-150

Association Francaise de Normalisation

NF V18-100:1977 Animal feeding stuffs.determination of nitrogen for the calcultion of crude protein content.
NF V18-100-1*NF EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1 : Kjeldahl method
NF V18-100-2*NF EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2 : block digestion and steam distillation method.
NF EN ISO 8968-4:2016 Milk and dairy products - Determination of nitrogen content - Part 4: determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method)
NF V04-363:1985 Dried milk - Determination of the quantity of instant powder milk in animal feeding stuffs - Method of enzymatic coagulation of paracasein
NF V04-221-4*NF EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4 : determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
NF EN ISO 5983-1:2005 Animal feed - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method

National Standardisation Body (ASRO)

STAS 9597/3-1974 COMBINED FORAGES Determination of rough protein content
STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content
STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
STAS 21/6-1973 OILSEED RESIDUES Determination of protein of protein brut content

Spanish Association for Standardization (UNE)

UNE 64102:1977 MIXED FEEDS AND RAW MATERIALS. TOTAL PROTEIN (RAW PROTEIN)
UNE 64011:1970 MIXED FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF THE RAW PROTEIN
UNE 64 011 Determination of the quality of Kjeldahl semi-trace crude protein in compound feed and its initial materials
UNE-EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
UNE 64 012 Determination of the quality of crude protein in compound feed and its initial materials (by macroscopic method)
AENOR UNE-EN ISO 8968-4:2016 Milk and dairy products. Determination of nitrogen content. Part 4: Determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method). (ISO 8968-4:2016)
UNE 34827:1983 DETERMINATION OF THE CASEIN CONTENT OF MILK.
UNE-EN ISO 5983-1:2007/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005/Cor 1:2008)
UNE 34-871-1986 Processed cheese. Determination of protein content

Czech Standards Institute (UNMZ)

CSN 46 7092-27-1998 Testing methods for feeding stuffs - Part 27: Determination of the protein content
CSN 57 0111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 46 7092-4-1998 Testing methods for feeding stuffs - Part 4: Determination of crude protein content
CSN 570111-5-2002 Testing methods for casein and caseinates - Determination of protein content

German Institute for Standardization

DIN 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN 10464:1994-08 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
DIN 10454:1983-03 Determination of protein content of caseins and caseinates; reference method
DIN 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN EN ISO 8968-4:2016-09 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
DIN 10470 E:2010 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); English version of DIN EN ISO 5983-1
DIN 10470 E:2010-05 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN EN ISO 8968-4 E:2013-09 Determination of nitrogen content of milk and milk products Part 4: Determination of protein and non-protein nitrogen content and calculation of pure protein content (Reference Method) (Draft)
DIN 10470:1999-07 Determining of whey protein content and casein content in total protein of milk and milk products by derivative spectroscopy
DIN EN ISO 5983-1 Berichtigung 1:2009-07 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); German version EN ISO 5983-1:2005, Corrigendum to DIN EN ISO 5983-1:2005-10; German version EN ISO 5983-1:20...
DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN EN ISO 8968-4 E:2013 Draft Document - Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non protein nitrogen content and true protein content calculation (Reference method) (ISO/DIS 8968-4:2013); German version prEN ISO 8968-...
DIN 10453:1983-03 Determination of water content of caseins and caseinates; reference method
DIN 10466:2001-09 Determination of whey protein content in total protein of milk and milk products - Polarographic method

Austrian Standards

ONORM DIN 10454-1993 Determination of protein content of caseins and caseinates - Reference method
ONORM DIN 10453-1993 Determination of water content of caseins and caseinates - Reference method

Bureau of Indian Standards

IS 7219-1973 Methods for determination of protein in food and feed
IS 18836-2024 Milk and Milk Products - Determination of Nitrogen Content - Determination of Protein and Non-Protein Nitrogen Content and True Protein Content Calculation (Reference Method)
IS/ISO 5983-2-2005 Animal feeding stuffs - Determination of introgen content and calculation of crude protien content-2 block digestion/steam distillation method
IS 14825-2000 Animal Feeding Stuff - Determination of Nitrogen Content and Calculation of Crude Protein Content - Kjeldahl Method
IS/ISO 5983-1-2005 Animal Feeding stuffs - Determination of nitrogen content and calculation of crude protein content-1 Kjeldahl method
IS 11888-2005 Casiens And Caseinated - Determination Of Contents Of Scorched Particles And Of Extraneous Matter
IS 18141-2023 Animal Feeding Stuffs-Determination of Soluble Nitrogen Content After Treatment with Pepsin in Dilute Hydrochloric Acid
IS 14325-2013 Bypass Protein Feed For Cattle

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 5983:2002 ANIMAL FEEDING STUFFS – DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT
OS GSO ISO 6655:2015 Animal feeding stuffs -- Determination of soluble nitrogen content after treatment with pepsin in dilute hydrochloric acid
OS GSO ISO 5983-1:2007 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

TCVN 4328-1-2007 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 1: Kjeldahl method
TCVN 7871-3-2008 Wheat and wheat flour.Gluten content.Part 3: Determination of dry gluten from wet gluten by an oven drying method
TCVN 4328-2-2011 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 2: Block digestion and steam distillation method
TCVN 7871-4-2008 Wheat and wheat ftour.Gluten content.Part 4: Determination of dry gluten from wet gluten by a rapid drying method

British Standards Institution (BSI)

BS 5766-4:1981 Methods for analysis of animal feeding stuffs-Determination of nitrogen content and calculation of crude protein content
BS 5766-4:1998 Methods for analysis of animal feeding stuffs-Determination of nitrogen content and calculation of crude protein content
BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BS EN ISO 8968-4:2016(2017) Milk and milk products — Determination of nitrogen content Part 4 : Determination of protein and non - protein nitrogen content and true protein content calculation (Reference method)
BS EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method
BS EN ISO 5983-2:2005 Animal feeding stuffs. Determination of nitrogen content and calculation of crude protein content-Block digestion/steam distillation method
BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
BS EN ISO 21415-4:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by a rapid drying method
BS EN ISO 5983-1:2005(2009) Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1 : Kjeldahl method
BS EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content

European Committee for Standardization (CEN)

EN ISO 5983-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method
EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method
EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content
EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)

Polski Komitet Normalizacyjny (PKN)

PN C04288-14-1987 Technical fats Methods of testing Determination of protein content
PN R64811-1992 Fodder potato protein

Ente Nazionale Italiano di Unificazione

UNI EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
UNI EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
UNI EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Determination of protein- nitrogen content

Korean Agency for Technology and Standards (KATS)

KS H ISO 5549-2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H ISO 5549:2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H ISO 5549:2006 Caseins and caseinates－Determination of protein content(Reference method)
KS H ISO 5549-2006(2016) Caseins and caseinates－Determination of protein content(Reference method)
KS H 1204-2012 Testing method for crude proteins content
KS H 1204-2001 Testing method for crude proteins content
KS H 1204-2022 Testing method for crude proteins content
KS H 1204-2021 Testing method for crude proteins content
KS H ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 8968-4:2022 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BH GSO 2736:2023 Collagen and Gelatin in animal feed

Swedish Institute for Standards

SS-EN ISO 5983-1:2006 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (EN ISO 5983-1:2005)
SS-EN ISO 8968-4:2017 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)

Thai Industrial Standards Institute (TISI)

TIS 2255.1-2005 Animal feeding stuff s-determination of nitrogen content and calculation of crude protein content.part 1: kjeldahl method
TIS 2255.2-2005 Animal feeding stuffs-determination of nitrogen content and calculation of crude protein content.part 2: block digestion/steam distillation method

Indonesia Standards

SNI 01-3136-1992 Protein sel tunggal untuk pakan
SNI 9091-4:2023 Cara uji pakan dan bahan baku pakan ikan -Bagian 4: Kadar protein kasar dengan metode Kjeldahl

Danish Standards Foundation

DANSK DS/EN ISO 8968-4:2016 Milk and milk products – Determination of nitrogen content – Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
DS/EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
DS/EN ISO 5983-1/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
DANSK DS/EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method

Standard Association of Australia （SAA）

AS ISO 8968.4:2021 Milk and milk products — Determination of nitrogen content, Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)

Bulgarian Institute for Standardization (BDS)

BGC ISO 5983:2001 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method

Lithuanian Standards Office

LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)

Instituto Uruguayo de Normas Técnicas

UNIT 629-1981 Measurement of soluble proteins in gastric prionase in animal feed (using practical method)

Standards Norway

NS-EN ISO 8968-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)

Tunisia Institut National de la Normalisation et de la Propriété Industrielle

NT 14.51-1983 Determination of casein content in milk

South African Bureau of Standard

SANS 6039:2005 Amylaceous and proteinaceous matter detection in wood adhesives

Others: protein content in feed