Miguel Ángel Jacinto Márquez Ruiz (September 11, 1942 – May 4, 2026) was a Mexican veterinarian with over 50 years of professional practice, who received international recognition for his contributions to veterinary medicine. He taught at the Faculty of Veterinary Medicine of the National Autonomous University of Mexico (UNAM) and carried out intensive work through the years in the areas of clinical pathology, virology, immunology and avian epidemiology. Márquez died on May 4, 2026, at the age of 83.In Memoriam Miguel Ángel Jacinto Márquez Ruiz (1942 – 2026)

Education Graduated from the Veterinary Medicine School. National Autonomous University of Mexico. Mexico City. 1960–1964 Specialization Degree in Poultry Viral Diseases at the University of Liverpool, England in 1968 Master of Veterinary Sciences at l' École de Medicine Vétérinaire d'Alfort. Paris, France. 1972–1974 Diplomate in Business Administration. Panamerican Institute for High Business Direction. Mexico. 1992 Diplomate of the American College of Poultry Veterinarians. Baltimore, Maryland. 1998 PhD in History and its Sources. Faculty of Philosophy and Letters, University of Leon, Spain. CUM LAUDE. 2006

Memberships Member of the American Association of Avian Pathologists (AAAP) in 1969 Founding Member in 1970 and twice Chairman of the Mexican Association of Poultry Veterinarians/ANECA in 1975 & 1981 Founder and President of the Mexican Society for the History of Veterinary Medicine. Mexico. 1987–2001 Member of the Mexican Society for the History and Philosophy of the Medicine in 1993 Academic Numerary Member of the Mexican Academy of Veterinary Medicine (AVM) in 1997 Member of the Societé Française d'Histoire de la Medecine et des Sciences Veterinaires. Paris, 2005 Correspondent Academic Member of Academy of Veterinary Sciences of Catalonia. Barcelona, 2008 Correspondent Academic Member of Royal Academy of Veterinary Sciences of Spain. Madrid, 2009

Awards and recognition National Award "Goat of Picasso" given by the Mexican Association of Caprine Practitioners. Mexico, 1992 National Award "ANECA" given by the Mexican Association of Poultry Specialists. Cancun, 1996 Appointed "Veterinarian of the Year" by the Veterinary Medicine College of Jalisco. Guadalajara, 2006 Medal to the "Academical Merit". Faculty of Veterinary Medicine. UNAM. Mexico, 2008 Medal to the "University Merit". National University of Mexico. UNAM. Mexico, 2009 Member of the "Hall of Fame of the Latin American Poultry Industry". Buenos Aires, Argentina, 2011 "Centaur Cheiron Award", given by the World Association for the History of Veterinary Medicine. University of Utrecht. The Netherlands, 2012

Publications More than 400 publications in avian medicine and in the history of medicine, science and technology.

Books Albeytería and Albéytares in the New Spain during the XVI Century (Farriery and Farriers in the New Spain during the XVI Century) published by the University of Leon, Spain in 1996 Epizootics, Zoonoses and Epidemics. The interchange of pathogens between the Old and New WorldYear 1, Number 1, July 2011, p. 37-39 published by the University of Leon, Spain in 2006 History of the National Association of Poultry Producers of Mexico.Book: Historia de la Unión Nacional de Avicultores de México Veracruz, 2008 History of the Mexican Association of Veterinarians Specialized on Swine. Mazatlan, 2013 Newcastle Disease. Argentina, 2013

Lectures More than 500 lectures given in more than 40 countries.

Notes

References The interchange of pathogens between the Old and New World, the cases of rabies and canine distemper. Libro Historia de la Unión Nacional de Avicultores de México

External links El Salón de la Fama de la Avicultura Latinoamericana Real Academia de Ciencias Veterinarias In Memoriam Miguel Ángel Jacinto Márquez Ruiz (1942 – 2026) Homenaje al Dr. Miguel Ángel Márquez Ruiz: Referente de la medicina aviar en Latinoamérica