9,000-xyoo-laus 'Cheddar Txiv Neej' qhia tib DNA nrog tus kws qhia ntawv Askiv keeb kwm!
'Cheddar Txiv neej,' Tebchaws Askiv cov pob txha qub tshaj plaws, muaj tawv nqaij tsaus; thiab nws muaj cov xeeb leej xeeb ntxwv tseem nyob hauv tib cheeb tsam, DNA tsom xam tau qhia.