Table 3.

Fertility of mouse strains

Strain	Generation	No of breeding pairs	No of litters per breeding pair	Litter size
			Median (inner quartiles; range)
DBA/2J	F 167-F 169	7	4 (3–7; 1–14)	4 (2–5; 1–8)
C57BL/6J	F 166-F 170	68	6 (5–8; 2–10)	6 (4–8; 1–11)
D2.129P2(CF/3)-CftrTgH(neoim)Hgu	N10F 9-F 12	19	4 (3–7; 1–10)	4 (2–5; 1–10)
B6.129P2(CF/3)-CftrTgH(neoim)Hgu	N12F 8-F 12	21	4 (3–5; 1–7)	5 (3–7; 1–11)
CF/1-CftrTgH(neoim)Hgu	F 27-F 40	106	3 (2–4; 1–10)	5 (3–6; 1–10)
CF/3-CftrTgH(neoim)Hgu	F 27-F 40	93	3 (2–3; 1–8)	6 (4–7; 1–10)