Table 4. Full-term development of inbred or outbred mouse strain embryos transported by parcel-delivery service.
| Culture method | Gas perm. film | Mouse strains | No. of embryos examined | No. 1–8 cell (%) | No. M/ B (%) | No. Frag. (%) | No. embryos transferred (recipients) | No. offspring (%) | No. implant. (%) |
|---|---|---|---|---|---|---|---|---|---|
| Warm box | + | C57BL/6 | 112 | 25 (22) | 67 (60) | 20 (18) | 67 (3) | 12(18) | 33(49) |
| + | C3H/He | 83 | 25 (30) | 51 (61) | 7 (8) | 51 (4) | 0(0) | 0(0) | |
| + | ICR | 105 | 20 (19) | 67 (64) | 18 (17) | 44 (2) | 16(36) | 23(52) | |
| Incubator (Control) | + | C57BL/6 | 117 | 40 (34) | 60 (51) | 17 (15) | 45 (2) | 14(31) | 28(62) |
| + | C3H/He | 35 | 7 (20) | 28 (80) | 0 (0) | 28 (1) | 4(14) | 14(50) | |
| + | ICR | 86 | 19 (22) | 48 (56) | 19 (22) | 48 (3) | 18(38) | 24(50) |
Key: Gas perm. film, gas-permeable film; M/B, Morula/Blastocyst; Frag, fragmentation; implant., implantation