Table 3.

Viral titres in BAL fluids and PAMs of pigs at different days post-inoculation with PRRSV (Lena)

Pig No	PRRSV titres in BAL fluids (log10 TCID50/ml) at ... dpi						PRRSV titres in PAMs (log10 TCID50/106 cells) at ... dpi
	3	14	21	28	35	42	3	14	21	28	35	42
2	3.6	5.3					3.2	3.6
3	3.5	5.8	2.6				4.2	2.7	4.0
4	4.3	3.8	ND				4.2	2.8	ND
5	5.1	6.8	7.8	<1.0*			4.2	3.0	4.3	<1.5*
6	ND	ND	ND	<1.0*			ND	ND	ND	2.7*
7	4.8	1.5	2.5		<1.0*		4.2	2.0	1.5		<1.5*
8	4.8	5.6	3.0		<1.0*		4.2	2.7	1.8		<1.5*
9	3.8	1.5	3.3			<1.0*	3.6	3.6	2.4			<1.5*
10	ND	ND	ND			<1.0*	ND	ND	ND			<1.5*

Pig 2 died at 20 dpi, pigs 3 and 4 at 21 dpi. *: Day of euthanasia. ND: not done.