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March 25, 2026AnimalsOpen Access

Effects of Dietary Chitosan on Growth, Antioxidant Capacity, Non-Specific Immunity, and Intestinal Health of the Mud Crab, Scylla paramamosain

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Authors

XCXiaojing ChenSouth China Agricultural UniversityELE LinSouth China Agricultural UniversityKZKai ZhangSouth China Agricultural University

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Overview

Investigation reveals dietary chitosan enhances growth and immune function in mud crabs, suggesting nutritional benefits.

Key Points

  • This research aims to evaluate how dietary chitosan affects growth, immunity, and intestinal health in the mud crab Scylla paramamosain.
  • Conducted an eight-week feeding trial with varying levels of chitosan (0, 0.5, 1, 2, 4, and 8 g/kg).
  • Measured final body weight, weight gain rate, specific growth rate, and antioxidant enzyme activity.
  • Assessed changes in mRNA expression of immune-related genes and gut microbiota composition.
  • Chitosan significantly improved final body weight, weight gain rates, and specific growth rates, especially at 2 g/kg.
  • Elevated crude protein content was observed in the body, muscle, and hepatopancreas.
  • Reduced malondialdehyde levels and increased antioxidant enzyme activity were noted.
  • Chitosan supplementation enhanced the activity of immune enzymes and mRNA expression of immune-related genes.

Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/69c37afeb34aaaeb1a67d048https://doi.org/10.3390/ani16060987
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