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This research aims to assess the impacts of guanidinoacetic acid and varying metabolizable energy levels on broiler growth and nutrient usage.

March 19, 2026AnimalsOpen Access

Effects of Guanidinoacetic Acid and Metabolizable Energy Levels on Performance and Nutrient Metabolism in Broilers

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Experimental evaluation of guanidinoacetic acid and energy levels improves performance in broilers, suggesting optimized feeding strategies.

This research aims to assess the impacts of guanidinoacetic acid and varying metabolizable energy levels on broiler growth and nutrient usage.
Three metabolizable energy levels were tested: standard, -50 kcal/kg, and -100 kcal/kg.
Diets included or excluded guanidinoacetic acid across twelve treatment groups.
Data from 1944 male broilers were analyzed using ANOVA and Tukey's test.
Broilers receiving guanidinoacetic acid showed improved feed conversion ratios at 21 days.
The standard energy diet with guanidinoacetic acid resulted in better average metabolizable energy and performance metrics compared to reduced energy diets.
Significant interactions were noted in feed conversion ratios linked to both guanidinoacetic acid and energy levels.

Medeiros et al. (2026) studied this question.

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Experimental evaluation of guanidinoacetic acid and energy levels improves performance in broilers, suggesting optimized feeding strategies.