Page 48 - Feed Lab

Suguna Management System Ver 1.0 / SOP / FQL / P1 - 08 Page 1 of 4

8. Sampling and Sample Preparation Procedures

SCOPE Uniform sampling
To draw the sample for all raw materials and finished In this method, a sample is taken so as to represent the
feed. average of the whole population. Samples are taken in
a small quantity from each section of the population. In
this case, the total amount of the sample cannot be
OBJECTIVE
Ingredient quality is the foundation on which an animal used for testing as such. Sampling in this case has to
ration is built. Correct sampling and sample evaluation be evenly reduced. The reduction procedure is called
enables the processor to make inferences about the dividing, which is performed by quartering, dividing or
quality of incoming grain, protein sources, micro- the use of divider.
nutrients, and finished feed. Prior knowledge, based on
ingredient data, allows assignment of the appropriate SAMPLING PROCEDURE FOR SOLID FEED
sampling pattern and sample size to different feed INGREDIENTS
ingredients. This sampling pattern depends on the
Apparatus
dimensions of shipment containers, conveying
equipment, and sampling equipment Sample Probes or Tapered bag triers are constructed of
collection is one of the important part of quality feed stainless steel/iron and are characterized by a sharp
production and the purchase of quality raw materials. point, a tapered body, and an open throat. These triers
are available in lengths from 1 to 1.5 feet and the hole
size should be minimum 1.5 inches. Tapered bag triers
TYPES OF SAMPLING
are used to sample closed bags of powdered and
granular commodities.
Random sampling
This method is applied in cases of the several samples
are taken from a product to be uniform and when they METHOD OF SAMPLE COLLECTION
do not have the same quality. In this sampling method, 1. Random Sampling:
individual samples, amount of sampling, and in some
Using this method the following type of feed ingredients
case, sampling period are not fixed before sampling.
The random sampling can prevent unfair action of should be sampled:
inspect. FGrains, cereals and Cereal by products carried in
bags.

Prepared by : Approved by :
38 Director - Technical