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Brizgys, L.A., Richert, J.A., Scaff, T., Richert, B.T. and Radcliffe, J.S. (2023) 213 Increasing Growth Performance by Attenuating the Transportation Stress Response in Nursery Pigs through L-Tryptophan Supplementation. Journal of Animal Science, 101, 134-135.
https://doi.org/10.1093/jas/skad341.150

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• TITLE: Effect of Natural Bioactive Compounds versus Ractopamine: A) On Productivity

  AUTHORS: Guadalupe Edgar Beltrán-Rosas, Néstor Méndez-Palacios, José Alfredo Galicia-Domínguez, Maximino Méndez-Mendoza

  KEYWORDS: Swine, Productivity, Natural Bioactive Compounds, Ractopamine, Meat Quality

  JOURNAL NAME: Journal of Biosciences and Medicines, Vol.14 No.3, March 12, 2026

  ABSTRACT: Background: The removal of ractopamine from swine production, demanded by both export and local markets, represents a challenge for the swine industry. This study evaluated the effect of AO NATURAL FIT PRO® as an alternative to ractopamine on productive performance. Methods: Thirty-two castrated male pigs (62 ± 2.5 kg initial weight) were randomly assigned to four treatments: control, AO NATURAL FIT PRO® for 8 weeks, ractopamine 10 ppm for 5 weeks, and a combination of both additives. Productive performance parameters were evaluated. Results: The supplemented groups showed significant improvements (P Conclusions: AO NATURAL FIT PRO®, ractopamine, and their combination improved productive performance. The natural additive represents a viable alternative to ractopamine for optimizing swine production efficiency.