The key appears to be maternal inheritance.
Fukushima's hybrid pigs aren't radioactive mutants but fast-breeding boar-pig crosses that reproduce year-round, creating ...
A Fukushima mutant pig study shows how escaped domestic pigs rapidly bred with wild boar after the 2011 nuclear disaster.
MUTATED radioactive pigs have spiralled out of control near a nuclear disaster zone – and they boast extraordinary abilities.
Boffins from Fukushima and Hirosaki Universities have warned a new breed of swine is growing out of control after domestic ...
Domestic pigs escaped into abandoned farmland and began interbreeding with indigenous feral boars — creating a mutant pig ...