Impact of Precision Feeding During Gestation on the Performance of Sows over Three Cycles

Overview

Journal Animals (Basel)

Date 2024 Dec 17

PMID 39682479

Authors

Laetitia Cloutier

Lucie Galiot

Beatrice Sauve

Carole Pierre

Frederic Guay

Gabrielle Dumas

Patrick Gagnon

Marie-Pierre Letourneau Montminy

Affiliations

Soon will be listed here.

Abstract

This study evaluated the impact of precision feeding and bump feeding strategies during gestation on the reproductive performance of sows monitored over three cycles. Four treatments were compared: two constant-concentration feeding strategies (0.53% standardized ileal digestible lysine content; SID Lys) with the feed supply remaining constant (flat feeding; FF) or variable (bump feeding; BF) and two precision feeding strategies based on the InraPorc model considering performance by parity (precision feeding per parity; PFP) or the weight of each sow at breeding (precision feeding by individual; PFI). Sows were followed over three gestation and lactation cycles. In the first cycle (n = 502), the birth-to-weaning piglet mortality for PFP (8.7%) and PFI (10.3%) was lower than for BF (13.8%), with FF (11.3%) being intermediate ( = 0.001). No differences were observed in litter performance during the second cycle (n = 340). During the third cycle (n = 274), the stillborn rate was lower for PFP (6.2%) than for BF (9.1%) and FF (10.4%), with PFI (7.0%) being intermediate ( = 0.01). The BF strategy did not significantly improve sow or litter performance during lactation. Meanwhile, precision feeding could reduce nitrogen (10-13%) and total phosphorus intake (6-9%) with PFP and PFI strategies. Also, the results showed that it could even reduce piglet mortality during lactation.

Citing Articles

Effects of Precision Feeding on Economic and Productive Yields of Hyperprolific Lactating Sows Allocated at Different Farrowing Pens.

Aparicio-Arnay M, Yeste-Vizcaino N, Soria N, Cambra J, Isabel B, Pineiro C Animals (Basel). 2025; 15(5).

PMID: 40076046 PMC: 11898897. DOI: 10.3390/ani15050763.

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