Table 1.
Detection of MNV in breeder pairs and their offspring
| MNV serology results | Age (wk) at time of testing | Gender (no.) of mice/cage | Source | |
| Breeder cage 1 | Positive | 30 | Mixed (2) | External institution |
| Offspring cage 1-1 | Positive | 15 | Female (3) | Breeder cage 1 |
| Offspring cage 1-2 | Negative | 15 | Male (2) | Breeder cage 1 |
| Offspring cage 1-3 | Positive | 8 | Female (2) | Breeder cage 1 |
| Offspring cage 1-4 | Negative | 8 | Male (1) | Breeder cage 1 |
| Breeder cage 2 | Positive | 30 | Mixed (2) | External institution |
| Offspring cage 2-1 | Positive | 15 | Female (4) | Breeder cage 2 |
| Offspring cage 2-2 | Positive | 15 | Male (5) | Breeder cage 2 |
| Offspring cage 2-3 | Negative | 11 | Female (3) | Breeder cage 2 |
| Breeder cage 3 | Positive | 30 | Mixed (2) | External institution |
| Offspring cage 3-1 | Negative | 20 | Female (4) | Breeder cage 3 |
| Offspring cage 3-2 | Negative | 20 | Male (3) | Breeder cage 3 |
| Offspring cage 3-3 | Negative | 20 | Male (3) | Breeder cage 3 |
| Offspring cage 3-4 | Positive | 9 | Female (4) | Breeder cage 3 |
| Offspring cage 3-5 | Positive | 9 | Male (3) | Breeder cage 3 |
| Offspring cage 3-6 | Negative | 6 | Female (4) | Breeder cage 3 |
| Offspring cage 3-7 | Negative | 6 | Male (3) | Breeder cage 3 |