Table 6.
Supplemental effects of MMHAC in sow diets on the performance of sows and litters during lactation
| Item | ITM1 | CTM2 | SEM | P-value |
|---|---|---|---|---|
| N | 28 | 25 | ||
| Sow parity | 3.82 | 3.84 | 0.40 | 0.973 |
| BW of sows, kg | ||||
| Day 50 of gestation | 238.4 | 240.8 | 5.5 | 0.738 |
| Day 110 of gestation | 278.2 | 274.8 | 6.1 | 0.663 |
| Day 1 of lactation3 | 261.0 | 257.8 | 5.3 | 0.635 |
| Day 20 of lactation (at weaning) | 244.1 | 250.9 | 5.1 | 0.314 |
| BW change, kg | ||||
| Day 50 to 110 of gestation | 39.9 | 34.0 | 3.2 | 0.184 |
| Day 1 to weaning | −16.9 | −6.9 | 3.5 | 0.059 |
| ADFI, kg | 6.19 | 6.45 | 0.19 | 0.282 |
| Litter size, head | ||||
| At birth, total | 14.4 | 14.9 | 0.7 | 0.583 |
| At birth, live | 13.8 | 13.6 | 0.7 | 0.832 |
| Stillborn | 0.5 | 0.8 | 0.3 | 0.543 |
| Mummies | 0.1 | 0.5 | 0.2 | 0.128 |
| Day 9 | 11.1 | 10.7 | 0.4 | 0.521 |
| Day 18 | 10.9 | 10.2 | 0.5 | 0.260 |
| Litter weight, kg | ||||
| At birth, total | 19.2 | 18.3 | 1.1 | 0.612 |
| At birth, live | 18.4 | 17.3 | 1.1 | 0.482 |
| Day 9 | 33.2 | 33.6 | 1.6 | 0.843 |
| Day 18 | 58.0 | 58.1 | 2.5 | 0.991 |
| Litter BW gain | 39.6 | 40.7 | 2.1 | 0.719 |
| Piglet BW, kg | ||||
| At Birth | 1.35 | 1.28 | 0.04 | 0.335 |
| Day 9 | 3.00 | 3.15 | 0.09 | 0.256 |
| Day 18 | 5.34 | 5.75 | 0.15 | 0.098 |
| Piglet mortality, % | 19.3 | 24.1 | 2.6 | 0.231 |
1ITM, conventional inorganic sources of trace minerals (0.2% inclusion level in the diets).
2CTM, 50:50 MMHAC and inorganic minerals (0.2% inclusion level in the diets).
3BW on lactation day 1 was calculated as BW on gestation day 110 subtracted from the litter weight.