Path:
Home >
GB/T >
Page618 > GB/T 40747-2021
Price & Delivery
US$189.00 · In stock · Download in 9 secondsGB/T 40747-2021: Determination of fermentable organic matter(FOM) of ruminant feedstuffs in rumen
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See
step-by-step procedureStatus: Valid
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| GB/T 40747-2021 | English | 189 |
Add to Cart
|
3 days [Need to translate]
|
Determination of fermentable organic matter(FOM) of ruminant feedstuffs in rumen
|
Click to Preview a similar PDF
Basic data
| Standard ID | GB/T 40747-2021 (GB/T40747-2021) |
| Description (Translated English) | Determination of fermentable organic matter(FOM) of ruminant feedstuffs in rumen |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | B46 |
| Word Count Estimation | 10,188 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 40747-2021: Determination of fermentable organic matter(FOM) of ruminant feedstuffs in rumen
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Determination of fermentable organic matter(FOM) of ruminant feedstuffs in rumen
ICS 65.120
CCSB46
National Standards of People's Republic of China
Determination of Rumen Fermentable Organic Matter (FOM) in Feed
inrumen
Released on 2021-10-11
2022-05-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed and managed by the National Feed Industry Standardization Technical Committee (SAC/TC76).
Drafting organizations of this document. China Agricultural University, Shandong Agricultural University, Hebei Agricultural University, Northeast Agricultural University.
The main drafters of this document. Li Shengli, Hu Zhiyong, Du Wen, Huang Wenming, Wang Zhonghua, Cao Zhijun, Yang Hongjian, Li Jianguo, Zhang Xiaoming, Zhang Yonggen,
Wang Wei and Dong Xusheng.
Determination of Rumen Fermentable Organic Matter (FOM) in Feed
1 Scope
This document describes the determination of rumen fermentable organic matter (FOM) in feed using the nylon bag method.
This document is applicable to the determination of rumen fermentable organic matter of plant-based feed materials and total mixed rations (TMR) for cattle and sheep.
2 Normative references
The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
GB/T 6435 Determination of Moisture in Feed
GB/T 6438 Determination of crude ash in feed
GB/T 6682 Analytical laboratory water specifications and test methods
GB/T 13088-2006 Determination of chromium in feed
GB/T 14699.1 Feed sampling
GB/T 20195 Preparation of animal feed samples
NY/T 34 Dairy Cow Feeding Standard
NY/T 815 Beef Cattle Feeding Standard
NY/T 816 Meat Sheep Feeding Standard
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Fermentable organic matter (FOM) intherumen
Plant-based feed ingredients, total mixed rations (TMR), organic matter that can be fermented by rumen microorganisms.
3.2
Real-time rumen degradation rate realtimerumendegradationrate
dp
The mass of a certain ingredient degraded after the feed stays in the rumen for a certain period of time accounts for the percentage of the sample.
3.3
Rumen chyme outflow rate outflowrateofrumendigesta
The mass of chyme flowing out of the rumen per unit time accounts for the percentage of the total mass of chyme in the rumen.
3.4
Effective rumen degradation rate effectiverumendegradationrate
The degradation rate calculated based on the real-time degradation rate at different time points and the outflow rate of rumen chyme under actual feeding conditions.
...
