Farmed Prawn Harvesting Welfare Methods

Improving welfare during prawn harvesting by applying evidence-based methods that minimize suffering.

Key Facts

Global farmed prawn production exceeds 5 million tonnes annually, involving billions of individual animals
Prawn harvesting typically involves draining ponds or net hauling with no prior anesthesia or stunning
Crustacean sentience evidence has strengthened significantly with studies showing avoidance learning and stress responses
Rapid chilling to below 4 degrees Celsius causes loss of responsiveness in prawns within seconds to minutes
UK Animal Welfare Sentience Act 2022 recognizes decapod crustaceans including prawns as sentient beings
Industry guidance on crustacean welfare at harvest remains limited but is developing in some markets

Welfare Considerations

Prawn harvest welfare sits at the frontier of aquaculture welfare practice, where scientific evidence for sentience is now strong enough to demand precautionary action but industry standards lag significantly behind the science. Rapid chilling is the most practical and cost-effective welfare improvement at harvest, reducing the time any individual prawn might experience the stress of the harvest process. Implementing this at commercial scale requires changes in handling protocols and cold chain management that are technically feasible. Consumer and regulatory pressure on the industry to adopt humane harvest practices is the most effective driver of change.

What You Can Do

Choose prawns from certified operations that address welfare at harvest in their standards
Support regulatory recognition of prawn sentience and associated welfare requirements
Advocate for industry adoption of rapid chilling as standard harvest practice
Support research into prawn sentience and the most effective humane harvest methods