Farmed Shrimp Post-Harvest Welfare

The welfare of farmed shrimp during the post-harvest phase - from pond to processing - is an often-overlooked area with significant potential for improvement.

Key Facts

Shrimp are often harvested into ice slurries without prior stunning, raising welfare concerns if they are sentient
Mechanical separation of shrimp from other pond contents involves rough handling that may cause injury
Post-harvest shrimp welfare is complicated by scientific uncertainty about crustacean sentience
Several certifying bodies now require processors to implement continuous improvement in killing methods
The Crustacean Compassion campaign advocates for electrical stunning of shrimp before ice immersion

Welfare Considerations

Shrimp post-harvest welfare occurs at the intersection of practical processing constraints, economic pressures and significant scientific uncertainty. If shrimp have meaningful pain experience, then immersion in ice without prior stunning causes cold shock and potentially suffering. The scale of global shrimp production means that even small probability of suffering per individual translates to enormous total welfare impact. A precautionary approach supports development and adoption of less potentially aversive killing methods.

What You Can Do

Support development of electrical pre-stunning for shrimp and other crustaceans before killing
Advocate for certification standards to require continuous improvement in shrimp killing methods
Choose certified shrimp products from producers with documented welfare management practices
Support research into shrimp sentience that will inform appropriate welfare standards
Engage with seafood retailers about their requirements for shrimp welfare management at harvest