This standard specifies a method for detecting oxidized cortisone content in feed using high-performance liquid chromatography (HPLC). This standard applies to the determination of hydrocortisone in compound feeds, concentrated feeds and additive premixed feeds. The minimum detection limit of this method is 0.05 mg/kg.
NY/T 914-2004 history
2022NY/T 914-2022 Determination of hydrocortisone in feed
2005NY/T 914-2004 Determination of Hydrocortisone in Feeds High-performance Liquid Dhromatography