Table 3.
Factors of variation for prevalence of clinical mastitis of rabbit does, and test of significance of the effects. Physical examination of 144,455 does on 490 rabbit farms in Spain and 41 farms in Portugal, from 2001 to 2017.
| Factor of Variation | Degrees of Freedom | Chi-Square | p > Chi |
|---|---|---|---|
| Cause of visit | 1 | 1144.78 | <0.0001 |
| Day of service | 3 | 30.40 | <0.0001 |
| Duo system | 1 | 37.83 | <0.0001 |
| Lactation stage | 6 | 35.15 | <0.0001 |
| Line or breed | 17 | 145.57 | <0.0001 |
| Number of batches | 2 | 47.08 | <0.0001 |
| Season | 3 | 42.37 | <0.0001 |
| Year | 16 | 97.00 | <0.0001 |