Table 8.
NP | LP | P-value | ||||||
---|---|---|---|---|---|---|---|---|
−DF | +DF | −DF | +DF | SEM | CP | DF | CP × DF | |
No. of gilts | 18 | 18 | 18 | 17 | — | — | — | |
No. of total born2 | 12.76 | 12.69 | 13.73 | 14.93 | 0.81 | 0.022 | 0.417 | 0.356 |
Total born alive | 11.82 | 11.63 | 11.87 | 13.14 | 0.64 | 0.208 | 0.383 | 0.234 |
Total born effective3 | 11.53 | 11.31 | 11.53 | 12.50 | 0.75 | 0.348 | 0.554 | 0.351 |
Stillborn | 0.94 | 1.06 | 1.87 | 1.79 | 0.54 | 0.046 | 0.960 | 0.803 |
Number of IUGR per litter4 | 0.29 | 0.31 | 0.33 | 0.64 | 0.50 | 0.469 | 0.521 | 0.568 |
Litter weight of total born without mummies, kg | 19.24 | 18.80 | 18.74 | 19.98 | 1.07 | 0.717 | 0.672 | 0.374 |
Birthweight of total born without mummies, kg | 1.52 | 1.51 | 1.37 | 1.36 | 0.07 | 0.006 | 0.894 | 0.990 |
Litter weight alive, kg | 17.69 | 17.39 | 16.61 | 17.81 | 0.97 | 0.721 | 0.630 | 0.416 |
Birthweight of alive born, kg | 1.51 | 1.51 | 1.41 | 1.37 | 0.07 | 0.019 | 0.771 | 0.666 |
Intra-litter CV | 17.10 | 17.95 | 18.07 | 19.16 | 1.89 | 0.494 | 0.544 | 0.940 |
Placenta weight, kg | 4.24 | 4.05 | 3.76 | 4.43 | 0.38 | 0.862 | 0.429 | 0.165 |
Placenta efficiency | 4.54 | 4.62 | 4.97 | 4.53 | 0.52 | 0.427 | 0.522 | 0.297 |
Parturition length, min | 290.3 | 216.3 | 282.1 | 218.9 | 49.92 | 0.939 | 0.070 | 0.885 |
1NP, normal CP; LP, low CP; DF, dietary fiber. DF mixture consisted of pectin, inulin, and cellulose at the ratio of 1:10:34.
2Including stillborn piglets and without mummies.
3Born effective = born alive – IUGR.
4IUGR, intrauterine growth-retarded piglets, birth weight below 2 SD of average birth weight.