Cov khoom tsis muaj tshuaj lom, tsis muaj ntxhiab, tsis muaj xim tsis muaj pob tshab, zoo li cov khoom siv iav, cov khoom muaj qhov pom tseeb, kev xa tawm> 90%.
Dav dav siv hauv cov khoom siv hluav taws xob, khoom siv, khoom siv hauv tsev.
Hauv 25kg lossis 750kg lub hnab ntim.
