E

  • Ecdysis (Molting): The periodic process where shrimp shed their old exoskeleton to grow. It is a critical and vulnerable phase.

  • Ectoparasite: A parasite that lives on the external surface of the animal (skin, gills).

  • Effluent: The wastewater released from the production system, which may contain nutrients and organic matter.

  • EMS (Early Mortality Syndrome) / AHPND: A severe bacterial (Vibriosis) disease that affects the hepatopancreas of young shrimp.

  • Endoparasite: A parasite that lives inside the animal's body (e.g., in the intestine).

  • Enzyme: A feed additive or product (e.g., in the digestive tract) that breaks down complex molecules (like protein) into simple ones.

  • Epibiont: Organisms (algae, barnacles, protozoans) that grow on the surface (exoskeleton) of shrimp, indicating low activity or poor water quality.

  • Eutrophication: The excessive enrichment of water by nutrients (nitrogen and phosphorus), leading to algal blooms and potential oxygen depletion.

  • Extensive (System): A culture system with low densities, no feed (or very little), and reliant on natural productivity.