Scientists have created genetically modified pigs that have a quarter less fat than normal pigs.
Researchers from the UK and China used CRIPSR-Cas9, a genetic modification technique, that allowed them to insert a gene into the pigs which means the animals can regulate their temperature better by burning fat.
https://www.farminguk.com/News/Scientists-create-GM-pigs-with-24-per-cent-less-fat_47753.html