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This research aims to explore how different temperatures affect feeding, growth, enzyme activity, and intestinal microbiota in red swamp crayfish.

Temperature on Feeding, Growth, Enzyme Activity, and Intestinal Microbiota of Procambarus Clarkii

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Randomized trial investigates temperature impact on growth and microbiota in crayfish, suggesting optimal conditions.

This research aims to explore how different temperatures affect feeding, growth, enzyme activity, and intestinal microbiota in red swamp crayfish.
Four temperature treatments (15℃, 20℃, 25℃, and 30℃) were applied to juveniles of Procambarus clarkii.
Measures included daily feed intake, weight gain, enzyme activity, and microbiota analysis.
Comparisons were made among groups to determine the optimal temperature for growth and health.
The 25℃ group had the highest weight gain and specific growth rate, significantly surpassing the 15℃ group.
Enzyme activities for protease and amylase were significantly higher at 25℃ compared to other temperatures.
At 20℃, microbial community richness was highest, but at 25℃, beneficial genera thrived while potential pathogens diminished.

GUO et al. (2026) studied this question.

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