Figure 1

Effect of chitosan treatment on the mice. (a) Body weight (b) Colon length. Control: normal mice; HS: Heat stress mice; COS-LD: mice treated with HS plus COS (300 mg/kg); COS-MD: mice treated with HS plus COS (600 mg/kg); COS-HD: mice treated with HS plus COS (1000 mg/kg). Data are expressed as mean ± standard error. *Indicates p < 0.05 compared with the blank control group, and # indicates p < 0.05 compared with the HS control group.