Home / Standards / GB/T 27534.4 GB/T 27534.4 Active Technical specification for animal genetic resource survey—Part 4: Sheep 畜禽遗传资源调查技术规范 第4部分：绵羊 Standard Type GBT ICS 65.020.30 CCS B 43 Status 现行 Issue Date 2025-04-25 Implementation 2025-11-01 Responsible Dept 农业农村部 Drafting Unit 农业农村部