UK: Study provides genomic resources to help boost climate resilience of fisheries

Frozen Tilapia
United Kingdom
Published Jun 10, 2023

Tridge summary

Candidate genes that could help fish to tolerate warmer and saltier water have been identified in new research from the Earlham Institute, potentially providing a vital resource to guide breeding programs in freshwater aquaculture.

Original content

As water quality and availability is reduced by higher global temperatures, these insights can be used to breed more resilient fish and safeguard a key source of food for millions of people. The Nile tilapia, Oreochromis niloticus, is widely farmed in freshwater aquaculture, providing essential nutrients and protein. Their use in aquaculture has risen dramatically, largely due to their adaptability to different water conditions and production systems. Soaring global temperatures, however, have depleted freshwater resources. Fish farms—and the people who rely on them for food—urgently need strains that can still thrive despite the higher salinity and increased water temperature. To address this issue, researchers at the Earlham Institute, University of East Anglia, and University of Stirling have explored the tilapia genome to locate advantageous changes in the genome responsible for an increased tolerance to changing water conditions. They examined tissue taken from the gills—an ...
Source: Phys
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