Will Typhoon Cause Great Damage to Juvenile Hybrid Grouper (Epinephelus lanceolatus ♂ × Epinephelus fuscoguttatus ♀) under Indoor Flowing Seawater Aquaculture Model?
Will Typhoon Cause Great Damage to Juvenile Hybrid Grouper (Epinephelus lanceolatus ♂ × Epinephelus fuscoguttatus ♀) under Indoor Flowing Seawater Aquaculture Model?
Jing Hu1,2,3 and Zhenhua Ma1,2,3*
Transverse sections showing histopathology of gill(200X), A: Normal appearance (C group, 6 h); B: Hyperplasia in lamellar epithelium leading to lamellar fusion, epithelial lifting, curling of secondary lamellae; C: Hyperplasia in lamellar epithelium leading to lamellar fusion, epithelial lifting and occasional desquamation and disruption (T3 group, 96 h). Note: primary lamellae (PL), secondary lamellae (SL), epithelial hyperplasia (▲), epithelial necrosis and desquamation (↑), curling of secondary lamellae (↑↑), epithelial lifting and oedema (*), lamellar fusion (**).
Transverse sections showing histopathology of head kidney(400X), A: Normal appearance (C group, 6 h); B: A small amount of MMCs appeared, tissue vacuoles and ambiguous cell boundaries were occasionally seen (T3 group, 6 h); C: Colloidal enlargement, tissue boundaries were occasionally seen (T2 group, 6h); D: ambiguous cell boundaries and massive necrotic cells (T1 group, 96 h). Note: ambiguous cell boundaries (▲), tissue vacuoles (↑), MMCs distribution (↑↑), necrotic cells (*), colloidal enlargement (**).
Changes of serum lipid in hybrid grouper exposed to simulating typhoon seawater for 96 h. A: Triglyceride (TG); B: cholesterol (CHO); C: High density lipoprotein cholesterol (HDL); D: Low density lipoprotein cholesterol (LDL).
Changes of serum ions in hybrid grouper exposed to simulating typhoon seawater for 96 h. A: Na+; B: K+; C: Cl-; D: Ca2+; E: Mg2+; F: Zn2+; G: Fe3+; H: P5+.
