Show TA A tam till THE FEW REASONS FOR TEST variations cream separator may be blamed for differences when cream tests vary there Is i a reason and before doubting the test it Is well to consider the things that will cause the differences suggests 10 S guthrie of the department of delry industry nt at cornell university versi ver sity ty A difference of ten turns each irin ute ate on the separator crank will change tile the test nearly three and a half per cent tile the temperature of the milk at the time of separation if at 10 0 degrees instead of 90 lowers the cream test and lets more tat fat go in the skim milk cows which may ile be added to the herd or a fresh cow may change the herd test under uniform conditions at the college a 3 per cent enlik gave a 23 per cent cream a 4 per cent milk a SO 30 per cent cream and a 5 per cent milk a 81 3 per cent cream tile the percentage cent tige of fat in tile hie s skim him milk increased with the richer milk in I 1 lk cleaning the separator I 1 Is s not only a good sanitary sarI tary practice hut but it Is essential to efficient separatist tift clogged and dirty tubes hinder the normal flow mr air guthrce Gull irle cites cornell extension bulletin number as useful in the care and operation of a cream separator it t will he sent tree free to anyone who applies for it to the college of gri agriculture culture tit nt ithaca new york |