Cov ntsiab lus tsim kho: Kev hloov pauv ntawm cov kab granulation hauv dej, kab nthuav dav, kab sib tsoo hmoov zoo heev, cov kav dej hauv huab cua thiab cov khoom siv tiv thaiv ib puag ncig; Kev kho cov txheej txheem kho dej.
Cov txheej txheem tseem ceeb: dej tsuag (kev nqus dej ntawm cov tshuaj tsuag) mus txog rau qhov tso tawm tus qauv.
Yav dhau los:Qhov project base of breeding