Distribution of bacteria isolated from healthy and diseased L. vannamei larvae, juveniles, and broodstock and their environment at different hatcheries in Ecuador and Mexico. H, isolates from healthy L. vannamei; D, isolates from diseased L. vannamei (isolates from shrimp with bolitas negricans, mysis mold syndrome, and zoea 2 syndrome are not included); environment H and D, isolates from inlet water, wastewater, tank water, nearshore seawater, and food of healthy and diseased larvae, respectively.