Fish Disease: vibriosis in shrimp
Fish Disease: vibriosis in shrimp Cause: Vibrio harveyii, V. alginolyticus, V. parahaemolyticus. etc.. Bio - Ecology Pathogens • vibriosis in shrimp larvae commonly as secondary infection, especially when under stress and weak. • Bacterial infections are usually associated with stress conditions due to: high density, malnutrition, poor handling. parasitic infections, high organic matter, low oxygen. poor water quality. extreme fluctuations in water temperature. etc.. • The attack is acute, and if environmental conditions continue to decline, which caused the death can reach 100%. particularly in post-larvae or juvenile stage. Clinical symptoms: • Body of shrimp look dull and dirty. • decreased appetite, damage to the legs and gills, gill or brownish color. • Types of Vibrio spp. which generally attacks the larvae glow shrimp and prawn disease disease called glow (luminescent vibriosis). • Shrimp affected showed symptoms of necrosis, the condition of the body is weak, slow swim, appetit