Table 2.

Treatment of pregnant dams with different poly I:C preparations.

Treatment & supplier	Lot No.	pI:C Dose, mg/kg	No. treated	Δ Wt (dam) @ 24h	Avg No.of offspring	Avg. Wt (g) offspring @ 10m: F	Avg. Wt (g) offspring @ 10m: M
Saline		0	11	+ 3.3%	6.6	25.6	34.6
poly I:C	27-4732-01	20	1	Died	0	-	-
Amersham
		12	4	−11.9%	0	-	-
		8	5	−12.4%	0	-	-
		6	4	−9.4%	0	-	-
		4	2	−13.6%	0	-	-
		2	1	−7.5%	0	-	-
poly I:C	081M4054V	20	5	+1.2%	7	26.8	34
Sigma		12	3	+4.4%	5.7	25.3	32.6
poly I:C	122M4002V	20	3	+0.5%	3.7	24.5*	32.4
Sigma		40	2	−6.5%	6	24.1**	29.8

Avg: average; Wt: weight; Δ: change in; m: months; g: grams; M: male; F: female;

^*only 1 litter survived;

^**weight at 3 months.