Table 3 Evaluation of regression model fit
Parameter | AIC | Residual variance |
|---|---|---|
Testing sow as random | ||
 Without sow as random | ||
  RR | 5855.60 | 140.51 |
  TB | 815.20 | 0.19 |
 With sow as random | ||
  RR | 5451.50 | 67.91 |
  TB | 5.50 | 0.04 |
Testing random effects before inflection point | ||
 Random as B0 | ||
  RR | ||
   Late-gestation | 1962.50 | 137.98 |
   Mid-gestation | 1968.80 | 66.30 |
   Non-pregnant | 1692.50 | 80.62 |
  TB | ||
   Late-gestation | 11.00 | 0.05 |
   Mid-gestation | 39.00 | 0.05 |
   Non-pregnant | 110.10 | 0.08 |
 Random as B0 and B1 | ||
  RR | ||
   Late-gestation | 1914.00 | 109.66 |
   Mid-gestation | 1899.00 | 46.49 |
   Non-pregnant | 1589.50 | 47.83 |
  TB | ||
   Late-gestation | –28.90 | 0.03 |
   Mid-gestation | –46.20 | 0.03 |
   Non-pregnant | 76.00 | 0.06 |