What question did this study set out to answer?

The aim is to determine how increasing levels of trypsin inhibitor in pig diets affect growth performance and gut health.

Effects of Increasing Dietary Trypsin Inhibitor Levels on Growth Performance, Fecal Score, Gut Permeability and Mucosal Antioxidant Capacity of Nursery Pigs

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Randomized trial evaluates trypsin inhibitor impact on growth and gut health in nursery pigs, suggesting dietary adjustments needed.

The aim is to determine how increasing levels of trypsin inhibitor in pig diets affect growth performance and gut health.
120 newly weaned piglets were divided into 5 treatment groups with 6 replicates for a 28-day trial.
Dietary treatments contained varying levels of trypsin inhibitors achieved by raw soybean inclusion.
Growth metrics and gut health parameters were analyzed at the end of the trial.
Increasing trypsin inhibitor levels reduced body weight at day 28 (e.g., 10.20 kg for the highest level).
Average daily gain decreased linearly (0.180 kg/d for highest TI level).
Gut permeability indicators and oxidative stress markers were adversely affected with higher TI levels.

Kwon et al. (2026) studied this question.

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