Milk and Butter Tests at the Newcastle Show, 1908. 201 
Experiment No. 3. 
Colouring of Milk. 
At the Lincoln Show experiments in colouring milks were 
carried out with “ the object of demonstrating that the public 
are taken in by the colouring of milk, a practice allowed by 
the Legislature so long as the colouring matter is not injurious 
to health” ( vide report R.A.S.E. Journal, Vol. 68, page 150.) 
At Lincoln four lots of new milk were selected for the 
experiments, while at Newcastle two lots of new milk only 
were used, the other two samples being separated milks, as I 
felt that if the public could be taken in by the colouring of 
separated milk the practice of colouring could be denounced 
more strongly than before. 
Four bottles were filled with milk as below : — 
No. 1 with Jersey milk. 
No. 2 with white milk from another breed. 
No. 3 separated milk coloured to be deeper than the 
Jersey. 
No. 4 separated milk without any colouring matter. 
I adopted the same methods as at Lincoln to obtain the 
opinions of the audience on three days during the show with 
the following results. 
On every occasion the coloured separated milk obtained 
the most votes, the Jersey came next, while the uncoloured 
separated milk received no votes at all, showing that while the 
public could discriminate between separated and new milk, so 
long as no colouring material was employed, they were unable 
to distinguish between the coloured separated milk and genuine 
milk of the best quality. 
On each occasion I warned the audience against buying 
milk without obtaining a guarantee that the milk was not 
coloured, just as I had done at Lincoln last year. 
This experiment I submit shows conclusively that the 
colouring of milk cannot be too strongly condemned and that 
it is important, now that the question of good milk for the 
populations in our large towns is receiving so much attention, 
that steps should be taken either to put a stop to what, in my 
opinion, is a most reprehensible practice, or to compel the 
vendor to disclose to the purchaser, in every case where 
colouring is resorted to, the fact that the milk is coloured. 
Experiment No. 4. 
Wensleydale Cheese. 
Twelve gallons of milk from each of the following breeds 
of cattle were obtained for making cheeses of this variety. 
