By curing other people’s domestic animals and domestic fowls, he has mobilized some of the residents to cooperate with him in his test. At first, the people are still reserved, they only have their pigs to eat a little of the mash that Mr.Dau brought, and then increase the amount little by little. Then, at 2006, Mr. Dau successfully found out his “secret” recipe. His pork has been analyzed by the Food Analyze and Assess Department (Food Industry Institute) and the result shows that there are no residues like chloramphenicol, Oxolinic acid, E.Coli Tetracyline, Shamonella... and, his pigpen is not as foul-smelling as other breeding farm. At 2007, Mr. Dau has registered the science subject “Researching about biologic food that provide and export clean pork” and is checked and taken over as province’s subject.

NASATI (According to tintucnongnghiep.com, 20/11/2015)