Strategies: 3 experiments had been carried out to resolve the impact of sensory attractants pre- and post-weaning at the expansion efficiency of pigs after weaning. For every experiment, therapies had been organized as a 2 × 2 × 2 factorial with major results of pre-weaning utility (with or without), post-weaning utility (with or without), and frame weight class (representing the lightest or heaviest 50% of the inhabitants).
Effects: In Exp. 1, 356 nursery pigs (to begin with 5.7 kg) had been utilized in a 28-d trial with enrichment cubes used because the sensory attractant. A better share of heavy pigs or pigs introduced enrichment cubes pre-weaning misplaced BW from weaning to d 3 in comparison to mild pigs or pigs now not introduced enrichment cubes pre-weaning. From weaning to d 7, a better share of pigs misplaced weight when now not introduced cubes post-weaning in comparison to pigs introduced cubes post-weaning.
In Exp. 2, 355 nursery pigs (to begin with 5.6 kg) had been utilized in a 29-d trial with a powder used because the sensory attractant. Offering a powder attractant each pre- and post-weaning diminished the proportion of pigs that misplaced weight from weaning to d 3 as when put next with offering a powder both pre- or post-weaning best.
In Exp. 3, 355 nursery pigs (to begin with 5.9 kg) had been utilized in a 24-d trial with a liquid spray used because the sensory attractant. A better share of heavy pigs that didn’t obtain liquid attractant misplaced weight from weaning to d 3, while a better share of sunshine pigs misplaced weight after they gained liquid attractant best pre-weaning.
Conclusion: Throughout all 3 experiments, sensory attractant utility had restricted results at the expansion efficiency of pigs after weaning; on the other hand, various responses had been noticed for the proportion of pigs that misplaced weight within the first 3 to 7 d straight away post-weaning. In abstract, environmental enrichment with cubes (Exp. 1) seems to have the best impact when implemented post-weaning while taste attractants (Exp. 2 and three) seem to have the best impact when implemented each pre- and post-weaning.
Wensley MR, et al. Results of offering sensory attractants to suckling pigs all the way through lactation and after weaning on post-weaning expansion efficiency, Translational Animal Science. 2023; 7(1): txac170. https://doi.org/10.1093/tas/txac170