Rights groups have slammed the harsh sentences handed down for Facebook posts criticizing the Lao government.
Seng Viyaketh denies that the timber, held after the 27 trucks carrying it to Vietnam were inspected at the border, belongs to her.
They say recommendations for the project by the Mekong River Commission do not go far enough.
They say he developed a pyramid scheme that defrauded stakeholders.
A legal expert suggests the country is rife with similar scams due to lax oversight.
Police deny his arrest, while a relative of the detained man asserts that authorities have him in custody.
Facilities that provide artificial insemination and surrogacy services are a new phenomenon in Laos, which has no laws or restrictions pertaining to them.