An implant for therapeutically separating bones of a joint has two endplates each having an opening through the endplate, and at least one ramped surface on a side opposite a bone engaging side. A scaling coefficient calculation section divides a slideshow reproduction time period by a selected effect total time period to calculate the ratio between them as a scaling coefficient and supplies the calculated scaling coefficient to a correction section. Each calf or animal is weaned at a weaning station, fed at a feeding station, slaughtered at a slaughter station to provide a carcass that is substantially the same size as other carcasses for the same breed of animal processed in the system. Therefore, the input device is not detected. The communication is substantially simultaneous with the modification and takes place by serializing the modification to string and sending the string using HTTP.