G

  • Genetic Lineage: A family or group of animals genetically selected (e.g., SPF line, fast-growth line).

  • Genetics (Improvement): Selection of animals with desirable traits (fast growth, disease resistance) to form broodstock.

  • Geomembrane (Liner): A waterproof plastic material (e.g., HDPE) used to line ponds and tanks, facilitating control, cleaning, and biosecurity.

  • Gills: The respiratory organ of fish and shrimp, also essential for osmoregulation and ammonia excretion.

  • GlobalG.A.P.: Another major international certification seal for good aquaculture practices.

  • Grading (Post-harvest): The separation of animals by size/weight for commercialization.

  • Greenhouse: A structure used to cover tanks or ponds (especially nurseries) to help control temperature and biosecurity.

  • Green Water: A field term for water with a predominance of phytoplankton (microalgae), generally desirable in semi-intensive systems.

  • Grow-out: The final culture phase, focused on growing animals to market size.