Item | Parity | No. | SID-Lys:ME ratio, g/Mcal | Â | P-value | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  |  | 2.1 | 2.4 | 2.7 | 3.0 | 3.3 | Mean3 | SEM | Treat | Linear | Quadratic |
Weaning to estrus interval, d | 1 | 24 | 7.00b | 6.80b | 5.75a | 5.60a | 5.60a | 6.16x | 0.42 | < 0.01 | < 0.01 | 0.29 |
 | 2 | 26 | 6.80 | 6.33 | 5.80 | 5.60 | 5.60 | 6.03x | 0.45 | 0.14 | 0.01 | 0.37 |
 | 3+ | 79 | 5.86c | 5.75bc | 5.41abc | 5.19a | 5.25ab | 5.50y | 0.20 | 0.06 | < 0.01 | 0.51 |
 | Total2 | 129 | 6.44b | 6.23b | 5.73a | 5.51a | 5.55a | 5.89 | 0.17 | < 0.01 | < 0.01 | 0.15 |