Table 1.
MNV testing of fostered litters
| Strain of the fostered litter | no. of MNV-negative litters / total no. tested |
| B6.129 IgG1−/− | 2/2 |
| B6.129 CD1d−/− | 1/1 |
| B6;129 AID+/+ | 1/1 |
| B6;129 AID−/− | 1/1 |
| B6.129 Fcer1g−/− | 1/1 |
| B6.129 lckcre/? IL-10flox/flox | 2/3a |
| B6.129 Lyz2cre/cre IL-10flox/flox | 3/3 |
| B6.129 ILKflox/flox | 1/1 |
| B6.129 SCAP flox/flox | 1/1 |
| B6.129 M-ILKflox/flox | 1/1 |
| B6.129 Bak−/− | 1/1 |
| B6.129 FcγRI−/− | 1/1 |
| B6.129 Jα18−/− | 1/1 |
| Total | 17/18 (94%) |
Litters were tested for MNV by fecal PCR at 3 to 4 wk and retested at 6 to 8 wk after fostering.
a
One litter became infected with MNV (lckcre/? IL-10flox/flox) and was detected at the 3- to 4-wk test.