Agricultural Gazette of A'.S.W., -hihj 2, 1920. 



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Agar Plate Culture of Cream before churning, 19 hours after pasteurising, having 

 been held at 55 deg. Fah. (dilution 1 to 100). 



Note that there has lieeii no reinff ction from outside influences, such as the air, &c., 

 but the count has increased to 13,400 per c.c \-\ inuUiplicalion of bacteria — 



lactics and spore-fonners — whk h survived pasteurisation. (Orisfinal.) 



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Litmus Lactose Plate Culture from surface of butter packed ready for market 



(dilution 1 to 1,003;. 



Note the enormous reinfection by coli and proteus organisms. 



Total count, 7.''>0" 000 per c.c. (Ori','inal.) 



