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79
Adulterated Samples. — Twenty-two of the official
samples were not satisfactory, and, therefore, the percentage
of adulterated articles amounted to 5.25 per cent., compared
with 4 83 per cent. in the previous year. Of the 139 informal
samples nine, or 6 4 per cent., were found to be adulterated or
not up to standard.
MILK.
Three hundred and forty-three official samples of milk
were analysed during the year, and of this number eighteen, or
524 per cent., were certified as adulterated or below the standard
of the Board of Agriculture and Fisheries. The average composition
of all samples of milk analysed during the period under
review equalled 3.48 per cent. milk fat and 8.77 per cent. solids
not fat, while the average composition of the genuine samples
alone was 3.51 per cent. milk fat and 8.77 solids not fat.
All the milk samples were examined for the presence of
preservatives and in each instance a negative result was given.
One hundred of the milks were found to contain colouring
matter, eleven being highly coloured.