“…During a 2-year period bacterial infections were monitored on five freshwater farms initiated through a national research programme (Berg, Eggum, Møller, Holm, Jørgensen, Olesen, Buchmann, Larsen, Dalsgaard, Mellergaard, From, Frier, McLean, Hørlyck, Graver, Kristensen, Birk & Bovbjerg 1995). The methods used were orientated towards the bacterial infections identified in Denmark at that time.…”