[Bacterial count of milk, pin-points and udder health in dairying herds]. / Kiemgetal van melk, 'pinpoints' en de uiergezondheid op bedrijven.

The pin-point colonies in bacterial counts of bulk milk were examined for the causative agents of mastitis. Udder health in herds showing unduly high bacterial counts as a result of pin-points was found to be reduced. There was no relationship between the organism isolated from the pin-points and the most important udder pathogen in the herd. The dairy farmers should be informed of the presence of pin-points when the bacterial counts are too high because of their presence.