Item | CONb | PUFAc | SEM | P-value |
---|
Milk production, kg/d | 8.6 | 9.4 | 0.75 | 0.33 |
Composition |
 Fat, % | 2.4 | 2.3 | 0.36 | 0.75 |
 Protein, % | 3.1 | 3.0 | 0.10 | 0.38 |
 Lactose, % | 4.8 | 4.8 | 0.05 | 0.23 |
 Other solids, % | 6.1 | 6.0 | 0.06 | 0.35 |
 Total solids, % | 11.7 | 11.4 | 0.36 | 0.48 |
 MUN, mg/dL | 14.0 | 14.5 | 0.89 | 0.59 |
AI pregnancy, % | 75 | 64 | – | 0.35 |
Overall pregnancy, % | 93 | 97 | 4.3 | 0.46 |
- aMilk production was determined via weigh-suckle-weigh technique at 64 ± 9 d postpartum on a subset of 7–9 pairs/group; Milk composition conducted on a subset of cows (4 cows/group) at 64 ± 9 d postpartum; MUN Milk urea nitrogen; AI Artificial insemination
- bCON = cows were supplemented soybean hulls mixed with 155 g DM/cow/d EnerGII (Virtus Nutrition LLC, Corcoran, CA) for 77 ± 6 d prepartum
- cPUFA = cows were supplemented soybean hulls mixed with 80 g DM/cow/d Strata + 80 g DM/cow/d Prequel (Virtus Nutrition LLC, Corcoran, CA) for 77 ± 6 d prepartum