Because dairy in Thailand has been developed from a combination of jump using the semen of dairy sires from abroad in a long, wide band. A survey and concluded that if the blood level or levels of genetic varieties abroad.
Because dairy farming in Thailand has been developed from a cross by the sperm of the father of the international dairy broad long. used to survey and concluded that if a blood or genetic level of milk varieties.
Because of the dairy industry was developed from the cross pollination by semen of dairy father from broad international for a long time. had exploration and concluded that if the level of blood or genetic level of cattle breeds abroad.