Table 10 Mean values of reproductive performance between the three farm productivity groups of either high prolific or low prolific sows in consecutive paritiesa,b
Consecutive parity | ||||||||
|---|---|---|---|---|---|---|---|---|
Farm groupsc | Nd | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
High prolific sowse | ||||||||
Farrowing rate, % | ||||||||
High-performing farms | 6624 | 91.5 (0.57) | 88.4 (0.72) | 90.5 (0.64) | 90.1 (0.67) | 89.6 (0.72) | 88.6 (0.80) | 86.9 (0.96) |
Intermediate-performing farms | 3744 | 87.3 (0.74) | 83.6 (0.88) | 87.1 (0.79) | 85.4 (0.88) | 84.5 (0.97) | 84.1 (1.05) | 83.2 (1.22) |
Low-performing farms | 784 | 81.7 (1.65) | 79.0 (1.81) | 81.6 (1.77) | 84.5 (1.71) | 84.3 (1.84) | 78.5 (2.34) | 77.2 (2.84) |
Weaning-to-first-mating interval, days | ||||||||
High-performing farms | 6139 | – | 7.2 (0.19) | 5.9 (0.19) | 5.8 (0.19) | 5.7 (0.19) | 5.5 (0.19) | 5.3 (0.20) |
Intermediate-performing farms | 3447 | – | 7.2 (0.15) | 6.1 (0.16) | 6.0 (0.16) | 5.9 (0.16) | 5.7 (0.17) | 5.5 (0.18) |
Low-performing farms | 715 | – | 7.3 (0.25) | 6.0 (0.26) | 6.4 (0.26) | 5.7 (0.27) | 5.9 (0.29) | 5.6 (0.33) |
Low prolific sowse | ||||||||
Farrowing rate, % | ||||||||
High-performing farms | 3332 | 90.2 (0.69) | 84.5 (0.96) | 87.2 (0.90) | 88.9 (0.87) | 89.9 (0.88) | 88.4 (1.04) | 87.6 (1.33) |
Intermediate-performing farms | 4575 | 87.3 (0.64) | 81.1 (0.84) | 84.5 (0.78) | 85.2 (0.80) | 85.0 (0.86) | 85.5 (0.92) | 83.8 (1.15) |
Low-performing farms | 2213 | 83.6 (1.05) | 75.3 (1.37) | 80.0 (1.28) | 80.4 (1.34) | 81.7 (1.39) | 80.2 (1.58) | 83.2 (1.62) |
Weaning-to-first-mating interval, days | ||||||||
High-performing farms | 2869 | – | 7.0 (0.19) | 5.8 (0.19) | 5.7 (0.19) | 5.6 (0.20) | 5.5 (0.21) | 5.4 (0.24) |
Intermediate-performing farms | 3948 | – | 7.3 (0.14) | 6.3 (0.14) | 6.1 (0.14) | 5.8 (0.15) | 5.7 (0.16) | 5.6 (0.17) |
Low-performing farms | 1903 | – | 7.2 (0.19) | 6.2 (0.20) | 6.1 (0.20) | 5.9 (0.21) | 6.1 (0.22) | 5.7 (0.24) |