Home / Standards / GB/T 40830-2021 GB/T 40830-2021 Active Code of practice for the determination of feed true ileal digestible amino acids for pigs (Simple T-cannulation) 猪饲料真可消化氨基酸测定技术规程(简单T型瘘管法) Standard Type GBT ICS 65.120 CCS B46 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 国家标准委 Drafting Unit N/A