Aquaculture

Farmed Shrimp Eyestalk Ablation Welfare Reform

Eyestalk ablation - removal of the eyestalk to induce maturation in female shrimp - is a widespread practice with significant welfare concerns.

Key Facts

Eyestalk ablation is performed on virtually all captive-bred shrimp broodstock globally
The procedure triggers reproductive maturation by removing hormonal inhibitors
It is typically performed without anaesthesia using cutting or crushing
The eyestalk contains multiple sensory organs including the eye and stress hormone glands
Some farms are developing ablation-free breeding programmes with success

Welfare Considerations

Given growing evidence that decapod crustaceans are sentient, eyestalk ablation without pain relief represents a serious welfare concern. The UK's Animal Welfare (Sentience) Act 2022 now covers decapods, creating regulatory pressure for reform.

What You Can Do

Choose shrimp certified under welfare standards prohibiting eyestalk ablation
Support research into ablation-free maturation induction methods
Advocate for inclusion of shrimp welfare in aquaculture certification standards
Contact retailers to ask about eyestalk ablation policies in their supply chains