He discovers on the island, the condition of "Canine Piroplasmosis", which is transmitted through the tick that also gives it to other animals. In the photo taken at Finca San Andres in Utuado appear the health leaders of the time who together made great contributions to the country, from left to right: Dr. Bailey K. Ashford, Founder of the Institute of Tropical Medicine; Dr. Bailey K. Ashford, Founder of the Institute of Tropical Medicine; Dr. Bailey K. Ashford, Founder of the Institute of Tropical Medicine. Ashford, Founder of the Institute of Tropical Medicine; Dr. Federico Trilla Aguiar, Surgeon; Dr. Pedro Malaret, Executive Secretary of the Anemia Commission; Dr. King, U.S. Navy; Dr. William F. Lippit, First Commissioner of Health, under the Jones Act; Dr. Isaac González Martínez, Co-Founder of the Institute; Dr. Pedro Gutiérrez Ygaravides, Co-Founder of the Institute; Dr. Ric. Mestre of Mayagüez.