Methods for analysis of animal feeding stuffs Determination of fat content

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-10-1999

Publisher

British Standards Institution

Defines a procedure for the determination of the fat content of animal feeding stuffs. The method applies to animal feeding stuffs except oilseeds and oilseeds residues.

This International Standard specifies a method for the determination of the fat content of animal feeding stuffs. The method is applicable to animal feeding stuffs except oilseeds and oilseed residues.

For the purposes of this method, the following two categories of animal feeding stuffs are distinguished. Samples of products in category B need a hydrolysis step prior to extraction.

Category B:

straight feeds of animal origin including milk products;
straight feeds of vegetable origin from which fats cannot be extracted without prior hydrolysis; in particular: gluten, yeast, soya and potato proteins, and heat-treated feeds;
compound feeds containing the preceding products in such quantities that at least 20 % of the fat content stems from these products.

Category A:

animal feeding stuffs not mentioned under category B.

NOTE For oilseed residues, a method for the determination of the “oil content?? by hexane extraction is specified in ISO 734-1 [2], whereas a method for the determination of the “oil content?? by diethyl ether extraction is specified in

ISO 736 [3].

For oilseeds, a method for the determination of the “oil content?? by hexane extraction is specified in ISO 659 [1].

Committee	AW/10
DevelopmentNote	Also numbered as ISO 6492 Supersedes 96/502479 DC (08/2004)
DocumentType	Standard
Pages	16
PublisherName	British Standards Institution
Status	Current
Supersedes	96/502479 DC : NOV 96

ISO 736:1977	Oilseed residues Determination of diethyl ether extract
ISO 5725-1:1994	Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
ISO 6497:2002	Animal feeding stuffs Sampling
ISO 659:2009	Oilseeds Determination of oil content (Reference method)
ISO 5725-2:1994	Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 6498:2012	Animal feeding stuffs — Guidelines for sample preparation
ISO 5725:1986	Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods
ISO 734-1:2006	Oilseed meals Determination of oil content Part 1: Extraction method with hexane (or light petroleum)