Show A TRE TOV FEW REASONS FOR TEST variations cream separator may be blamed for differences when cream tests vary there Is lisua usually lly a renson reason and before doubting tile test it Is well to consider the things that will cause the differences suggests 13 11 S guthrie of the department of dairy industry tit nt cornell university ver sity A difference of ten turns each min ut ute on tile the separator crank will change the h test nearly three and a hall half per cent nt the temperature of the milk at the time of separation if at 70 degrees instead of 00 lowers the cream test and lets more fat RO go in the skim milk cows which may be added to the herd or a fresh cow may change chance the hero herd test under uniform conditions at the college a 3 per cent milk gave a 23 per cent cream a 4 per cent milk a 30 per tent cent cream and a 5 per cent milk a 31 39 per cent cream tile the percentage cen of 0 fat in the skim milk increased with the richer milk cleaning the separator Is n not 0 t only a good sanitary practice hut but it Is essential to efi lelent separation clogged find and dirty tubes hinder the normal low flow mr air guthrie cites cornell extension bulletin number as useful in the care find and operation of a crenin cream separator it will he sent tree free to anyone who applies for it to the college of gri agriculture culture at ithaca new tork |