Table 1.

Determination of antibody titers against PCV2 by IPMA in serum samples from experimentally PCV2-infected piglets

Experimental group	Pig no.	PIDa 0	PID 3	PID 7	PID 10	PID 14	PID 21	PID 28	PID 35
PCV2	11b	<50c	<50	<50	<50	50	–	–	–
	12b	<50	<50	<50	<50	50	–	–	–
	13b	<50	<50	<50	50	250	250	–	–
	14	<50	<50	<50	<50	250	6250	6250	6250
	15	<50	<50	<50	<50	250	1250	6250	6250
PCV2+immunisation	16	<50	<50	<50	<50	250	6250	31250	6250
	17	<50	<50	<50	<50	250	6250	31250	31250
	18b	<50	<50	<50	50	50	<50	–	–
	19	<50	<50	<50	<50	250	6250	31250	31250
	20	<50	<50	<50	<50	1250	31250	31250	31250

^aPostinoculation day.

^bPig that died or was euthanized before termination of the experiment on PID 36.

^cAntibody titer against PCV2.