Detection and quantification of Flavobacterium psychrophilum in water and fish tissue samples by quantitative real time PCR

Table 2 Origin and percent of samples positive to F. psychrophilum

	Origin	No. of samples	% Positive for *F. psychrophilum*	% of samples quantified	Cells/ml
Inlet and tank 2009
Inlets	Ticino fish farms	60	7%	1.6%	73 to 1.5 × 10⁴
Tanks	Ticino fish farms	60	53%	1.6%	42 to 3.5 × 10⁴
2010
Tanks	Swiss fish farms	85	10%	0%	43 to 3’000
Healthy carriers 2011, 2012	Swiss fish farms	43	80%	0%	0-400

ISSN: 1471-2180