The case against eyestalk ablation in shrimp aquaculture

Tuesday, September 22, 2020
The Fish Site

A researcher whose trials suggest that eyestalk ablation in shrimp is not only unnecessary but also potentially counter-productive, has made the shortlist for this year’s GOAL innovation award.

Eyestalk ablation is widely practiced in shrimp hatcheries as a means to encourage female shrimp broodstock to produce more eggs. However, it raises serious welfare concerns and the work of postdoctoral researcher Simao Zacarias suggests that ablation produces offspring that are more prone to disease.

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