GB/T 20804-2025 Compound premix of dairy cattle

GB/T 20804-2006 Trace minerals and vitamins premix of dairy cattle

GB/T 5917.1-2008 Determination of feed particle size—Two-sieve screening method GB/T 6435-1986 Method for the determination of moisture in feedstuffs GB/T 6435-2006 Determination of moisture and other volatile mater content in feeds GB/T 6435-2014 Determination of moisture in feedstuffs GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 10647-1989 General terms in feed industry GB/T 10647-2008 Feed industry terms GB 10648-1999 Feed label GB 10648-2013 Feed label GB/T 10649-1989 Determination for mixing homogeneity of mineral premix GB/T 10649-2008 Determination of mixing homogeneity for mineral premix GB 13078-2001 Hygienical standard for feeds GB 13078-2017 Hygienical standard for feeds GB 13078.1-2006 Hygienical standard for feed—Limited content of nitrite in feeds GB 13078.2-2006 Hygienical standard for feeds—Toleration of ochratoxin A and zearalenone in feeds GB 13078.3-2007 Tolerance limits for deoxynivalenol in formula feed GB/T 13882-2002 Determination of iodine in feeds(Ferric thiocyanate-nitric acid catalytic kinetic method) GB/T 13882-2010 Determination of iodine in feeds—Ferric thiocyanate-nitric acid catalytic kinetic method GB/T 13882-2023 Determination of iodine in feeds GB/T 13883-1992 Method for the determination of selenium in feedstuffs—(DAN) fluorometrt GB/T 13883-2008 Determination of selenium in feeds GB/T 13883-2023 Determination of selenium in feeds GB/T 13884-1992 Method for the determination of cobalt in feedstuffs—Atomic absorption spectroscopy GB/T 13884-2003 Determination of cobalt in feed—Atomic absorption spectroscopy GB/T 13884-2018 Determination of cobalt in feeds—Atomic absorption spectrometry GB/T 13885-1992 Method for the determination of the iron、copper、manganese、zinc and magnesium in feedstuffs—Atomic absorption spectroscopy GB/T 13885-2003 Animal feeding stuffs—Determination of thecontents of calcium,copper,iron,magnesium,manganese,potassium,sodium and zinc—Method using atomic absorption spectrometry GB/T 13885-2017 Determination of the contents of calcium,copper,iron,magnesium,manganese,potassium,sodium and zinc in feeds—Method using atomic absorption spectrometry GB/T 14699-2023 Feed—Sampling GB/T 14699.1-1993 Methods for sampling of feed GB/T 14699.1-2005 Feeding stuffs—Sampling GB/T 17812-1999 Determination of vitamin E in feeds—High-pressure liquid chromatography GB/T 17812-2008 Determination of vitamin E in feeds—High-performance liquid chromatography GB/T 17812-2025 Determination of vitamin E in feeds—High performance liquid chromatography GB/T 17817-1999 Determination of vitamin A in feeds—High-pressure liquid chromatography GB/T 17817-2010 Determination of vitamin A in feeds—High-performance liquid chromatography GB/T 17817-2024 Determination of vitamin A in feeds—High performance liquid chromatography GB/T 17818-1999 Determination of vitamin D3 in feeds—High-pressure liquid chromatography GB/T 17818-2010 Determination of vitamin D3 in feeds—High-performance liquid chromatography GB/T 17818-2025 Determination of vitamin D3 in feeds—High-performance liquid chromatography GB/T 18823-2002 Allowable error for judge of quality testing results in feeds GB/T 18823-2010 Permitted tolerants for judgement of testing results in feeds GB/T 10649-2025 Determination of mixing homogeneity for trace mineral premix