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August 22, 2025Journal of Animal ScienceOpen Access

Benzoic acid supplementation in crude protein-deficient diets reduces nursery pig growth performance

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Supplementing benzoic acid reduces growth performance in nursery pigs on crude protein-deficient diets, suggesting nutritional implications.

Growth performance of nursery pigs is negatively impacted by benzoic acid supplementation.
Average daily gain in the control group was 580 g/d, higher than both low protein and low protein plus benzoic acid groups.
Analysis of serum demonstrated significant differences in hippuric acid and amino acid concentrations across dietary treatments.
Supplementing benzoic acid may hinder efficient use of lysine for growth in pigs, raising potential concerns in diet formulation.

Azevedo et al. (2025) studied this question.

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Supplementing benzoic acid reduces growth performance in nursery pigs on crude protein-deficient diets, suggesting nutritional implications.