Standard No.:	GB/T 40835-2021
English Name:	Feed safety evaluation—Determination of rumen degradation of ruminant feedstuffs—Code of practice in feeding trail of cattle
Chinese Name:	畜禽饲料安全评价 反刍动物饲料瘤胃降解率测定 牛饲养试验技术规程
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2021-10-11
Implemented on:	2022-5-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	3500 words
Translation Price(USD):	105.0
Delivery:	via email in 1~3 business day

本文件确立了畜禽饲料安全性评价中用于反刍动物饲料瘤胃降解率测定的牛饲养试验技术要求，并规定了试验方案设计、饲粮配制、试验实施、试验报告和资料存档等阶段操作指引。
本文件适用于植物性饲料原料和饲料产品的瘤胃降解率测定的牛饲养试验。