Disease outbreaks causing mass mortality in shrimp ponds represent acute welfare emergencies requiring rapid, humane response decisions.
Mass mortality disease events in shrimp ponds present acute welfare decisions about when to harvest remaining living shrimp versus allowing disease progression. Early detection through twice-daily behavioral monitoring — shrimp swimming near surface, reduced feeding response, sudden cluster mortality — allows intervention before total population loss. Emergency harvest decisions that remove surviving shrimp before further disease spread minimize both individual suffering and economic loss. Disinfection and fallowing protocols prevent recurrence. The welfare of surviving shrimp in a disease-affected pond deteriorates rapidly as water quality degrades from decomposing mortalities.