TABLE 2.

Comparison of the three virus producer cell lines used for insertional mutagenesis

Virus/producer cell line	% Good founders	% Survival of injected embryos at 24 h postinjection	No. of founders/day/person	EAV avg	% with EAV ≥ 5	No. of insertions/founder	Person-days needed to make 106 GLa insertions
SFG/A7	15	45	60	NAc	NA	12	>1,390
SFG/F5	75	37	50	3.6	25	18b	1,110
GT/186	100	57	200	14.3	96	27b	185

^aGL, germ line.

^bEstimate.

^cNA, not assayed.