Disease X has afflicted cattle and cut into ranchers' profits. A genetic cause of the disease has been identified, as well as a gene therapy that can completely eradicate the cause of the disease in cattle. By applying this gene therapy to their cattle and eradicating the genetic susceptibility to the disease, ranchers will be able to carry on business in the future without incidence of Disease X in their cattle.
Which of the following is an assumption on which the argument depends?
【选项】
There are no treatments of Disease X that are more effective than the gene therapy in question.
选项是否正确？