The Purpose Of This Tender Is The Procurement Of A Supply Of Pigs For Performing Intestinal Transplants To Carry Out The Research Activity In Project Pi23/01189. The Fis Project “Development And Therapeutic Application Of An Extracorporeal Normothermic Perfusion System In Intestinal Transplantation: The End Of The Ice Age” (Pi23/01189) Contemplates The Performance Of Up To 48 Intestinal Transplants Divided Into 6 Study Groups. In Each Group, Which Will Have 8 Transplanted Animals, Different Technical And Therapeutic Aspects Of An Extracorporeal Perfusion Machine Applied To Intestinal Transplantation Will Be Studied.