And so he had a grant that he could do this with. And they started publishing these tables, which gave the zoo vets sort of a guideline to go by whenever they would get a sick animal, they could check it, then they could check it to compare it to the normals. and that helped a lot. So as the zoo profession grew, the zoo veterinary profession grew, the amount of information available became more voluminous to the point now where there’s almost more than, than you can wrap your hands around and you have to pick and choose and become specialized in one form or another.