Animal By-Products Order 1992

1.  Samples of the final products taken during or upon withdrawal from storage at the premises must comply with the following standards:

Salmonella:Absence in 25g: n=5, c=0, m=0, M=0
Enterobacteriacae:n=5, c=2, m=10, M=3×102 in 1g,

where

n= number of units comprising the sample;

m= threshold value for the number of bacteria; the result is considered satisfactory if the number of bacteria in all sample units does not exceed m;

M= maximum value for the number of bacteria; the result is considered unsatisfactory if the number of bacteria in one or more sample units is M or more;

c= number of sample units the bacterial count of which may be between m and M, the sample still being considered acceptable if the bacterial count of the other sample units is m or less.