Show butter fat content varies carefully checked tests show that the butter fat content of the mills milk from the same herd of vows cows varies sharply from day to day errors in testing can account for only about two tenths of I 1 per cent but tile the actual varl variation atlon Is often as much as 1 per cent from one day to another such stich variation results from a number of factors weather conditions have a marked effect us its does doas the feed given the cattle some breeds show a greater variation than others and the time between s and the completeness eness of the mil bilkings kIngs also have their effects also tests of mornings milk are usually lower than those of nights milk pathfinder magazine |