Show butter fat content varies carefully checked tests show that the butter fat content of the milk from the same herd berd of cows varies sharply from day to day errors in testing can amount account for only about abour two tenths of I 1 per cent but the actual variation is often as much as I 1 per cent from one day to another such variation results from a number af f factors weather conditions have a marked effect as does the feed given the cattle some breeds show a greater variation than others and the time between bilkings milk mil kings ings 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 |