What's Happening?
Researchers have developed gene-edited pigs that are completely resistant to classical swine fever, a significant disease affecting livestock globally. This genetic modification, achieved through CRISPR technology, involves a minor alteration in the pig's
DNA, which prevents the virus from replicating. The breakthrough could also be applied to cattle and sheep, potentially making them resistant to related viruses. The gene-edited pigs have shown no signs of infection when exposed to the virus, indicating a successful resistance. This development is expected to improve animal welfare, increase productivity, and reduce greenhouse gas emissions, as it eliminates the need for labor-intensive and costly vaccination programs.
Why It's Important?
The introduction of gene-edited pigs resistant to swine fever represents a significant advancement in sustainable livestock production. By reducing the need for vaccinations and the risk of disease outbreaks, this innovation could lead to lower production costs and more stable meat prices. It also aligns with global efforts to enhance animal welfare and reduce the environmental impact of livestock farming. The potential expansion of this technology to other livestock species could further bolster agricultural productivity and sustainability, benefiting farmers and consumers alike.
What's Next?
The gene-edited pigs are currently under consideration for commercialization by Genus, a major international breeding company. Approval processes are underway in several countries, including the U.S., Brazil, and Japan. If successful, this could pave the way for widespread adoption of gene-edited livestock, potentially transforming the industry. Further studies are needed to ensure the welfare of these animals and to explore the application of this technology to other species.