A recent study involved feeding a high-salt diet to a rat colony  A few months after the experiment began, standard tests of the rats' blood pressure revealed that about 25 percent of the colony had normal, healthy blood pressure, about 70 percent of the colony had high blood pressure, and 5 percent of the colony had extremely high blood pressure
Have other species of rodents been used in experiments of the same kind.
 The conclusion from these results is that high-salt diets are linked to high blood pressure in rats