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Speciesism

May 31, 2020 - The Guardian

Crab blood to remain big pharma's standard as industry group rejects substitute

Crab blood to remain big pharma's standard as industry group rejects substitute
Horseshoe CrabFile Photo / © Photabulous!

Horseshoe crabs’ icy-blue blood will remain the drug industry’s standard for safety tests after a powerful US group ditched a plan to give equal status to a synthetic substitute pushed by Swiss biotech Lonza and animal welfare groups.

The crabs’ copper-rich blood clots in the presence of bacterial endotoxins and has long been used in tests to detect contamination in shots and infusions.

More recently, man-made versions called recombinant Factor C (rFC) from Basel-based Lonza and others have emerged.

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The Guardian


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