Home / Standards / GB/T 17778-2025 GB/T 17778-2025 Active Determination of D-biotin in feed additive premix 预混合饲料中D-生物素的测定 Standard Type GBT ICS 65.120 CCS B46 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 国家标准委 Drafting Unit N/A