Biologist discovers that lavender enhances the immunity of carp

Biologist from RUDN University Morteza Yousefi has found that lavender extract added to the food reduces stress and improves immunity in carp in fish farms. The article was published in the journal Aquaculture.

A significant proportion of fish in fish farms dies due to illnesses provoked by stress during transportation, sorting and other operations. The use of antibiotics for the treatment and prevention of infections in fish is not only costly, but also leads to the development of bacterial strains resistant to antibiotics. Therefore, the use of herbal preparations is of particular value as a means of maintaining the health of fish.

Professor Yousefi of RUDN University and his colleagues decided to check whether inclusion of narrow-leaved lavender extract (Lavandula angustifolia) to the feed of common carp (Cyprinus carpio) can enhance the immunity of the fish.

It had already been known that cineole and linalool, the components of narrow-leaved lavender extract, have anti-inflammatory, antioxidant and anti-stress effects. The biologists assumed that these substances help fish cope with the negative effects of the stress hormone cortisol.


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