Elimination of porcine reproductive and respiratory syndrome virus infection using an inactivated vaccine in combination with a roll-over method in a Hungarian large-scale pig herd

Table 1 Overview of animal numbers on the individual farms and testing strategy

Farm	Age	Number of animals in the population	Gilt replacement	Sample number	Diagnostic examination	Remarks
A	7 weeks	18,205	1200	1140	PCR	PRRS infected herd
B	14 weeks	901	901	901	ELISA
C	23 weeks	901	855	855	ELISA
C	37 weeks	855	855	855	ELISA
A	9 months	855	855	855	ELISA	Depopulated, disinfected farm
A	15 months	855	855	855	ELISA	Disinfected farm
A	21 months	855	–	855	ELISA	Qualifying examination
A + B + C				6316

ISSN: 1751-0147