Effects of precision feeding and the bump feeding strategy in gestating sows on performances and body condition in sows monitored for the first two gestation-lactation cycles

Precision Feeding in Gestation: Smarter Nutrition for Better Litter Performance

Feeding gestating sows the right nutrients at the right time is a challenge. A one-size-fits-all approach often means overfeeding early in gestation and underfeeding late — neither is ideal. Researchers at CDPQ and Université Laval tested whether precision feeding could better match each sow's actual needs across three reproductive cycles with over 500 gilts.

Four feeding strategies were compared: a conventional program, bump feeding (increasing feed intake in late gestation), precision feeding by parity, and individual precision feeding. Precision feeding by parity stood out — producing 0.6 more piglets weaned per litter, reducing lysine and phosphorus intake by 20%, and cutting nitrogen output by 10%.

For producers, precision feeding by parity appears to be the most practical and promising approach. Individual precision feeding also showed benefits for second-parity sows. Longevity results from the third parity are still being analyzed.