TABLE 1.

IFN production in bovine cells

Virus	FN productiona
	Testicle	Uterine	MDBK	CRIB
Wt NADL	<5	<5	<5	<5
N-dINS	<5	<5	<5	<5
5B-1HR	<5	<5	<5	<5
N-dNpro	600	2,400	150	<5
N-H/B	600	2,400	150	<5
N-Npro18GFP	600	2,400	150	<5
Poly (I · C)b	4,800	4,800	4,800	4,800

^aIU/ml. in culture medium from BVDV-infected CRIB cells collected at 24 h p.i.

^b100 μg/ml of poly(I · C) for 24 hours.