Marcelo Daniel Ghezzi is a Professor at the Faculty of Veterinary Sciences, Veterinary Research Center (CIVETAN), National University of the Center of the Province of Buenos Aires (UNCPBA), Tandil, Argentina. He graduated in 1977 in Tandil at the National University of the Centre of the Buenos Aires province (UNCPBA). He received his Ph.D. in veterinary sciences at the National University of La Plata in 2005. He is a coordinator of the area of animal well-being—bovine production. He also serves as an advisor to scientific commissions on Animal Welfare of the National Agri-Food Health and Quality Service (SENASA), the Food and Agriculture Organization of the United Nations (FAO), and the Argentine Sustainable Meat Table (MACS). Furthermore, he is the Secretary of the Argentine Animal Welfare Association (ASARBA)—Society of Veterinary Medicine (SOMEVE). His teaching disciplines include Veterinary Medicine, General Animal Science, Beef and Dairy Bovine Production, and Food Technology in Meat Inspection and Technology.

Dr. Fabio Napolitano is a Professor at the Department of Animal Production Sciences, University of Basilicata, Potenza, Italy. He achieved his Ph.D. in Animal Science at Università degli Studi di Napoli Federico II in 1993. He was appointed as a researcher in Animal Production at the Department of Animal Production Science (University of Basilicata, Italy) in 1995. From 1998 to 2001, he taught different disciplines (cattle husbandry, non-ruminant husbandry, poultry, and rabbit farming). Since 2002, he has been teaching “Ethology and Welfare of Domestic Animals”. He was appointed Associate Professor for husbandry on 30 November 2006. He has been called an Italian expert at the COST (European Cooperation in the Field of Scientific and Technical Research) Action 846 (measuring and monitoring farm animal welfare). He has been included in the list of experts in the animal welfare field and a nominated member of the scientific committee of external reviewers within the area of activity Animal Health and Welfare for the period 2009–2011 by the European Food Safety Authority (EFSA), where he was a member of the working group on sheep welfare in 2014. His research activity is particularly centered on the study of animal welfare, animal behavior, and meat quality.

Dr. Alejandro Casas-Alvarado is a Subject Professor at the Neurophysiology, Behavior, and Animal Welfare Assessment, Universidad Autónoma Metropolitana (UAM), Mexico City, Mexico. He completed his Master’s Degree in Agricultural Sciences (Biological Sciences) from the Metropolitan Autonomous University. His research interests include Anesthesiology; Veterinary Science; Pain Assessment; Anaesthesiology; Small Animals; Physiologic Monitoring; Anesthesia; Pain Medicine; Pain Management; and Animal Behavior.

Dr. Ismael Hernández-Ávalos has been working as an Associate Professor B. Full-time (Clinical Pharmacology and Veterinary Anesthesia) in Universidad Nacional Autonoma de Mexico Facultad de Estudios Superiores Cuautitlán (Cuautitlan Izcalli, Mexico) since 2000. He got a Master of Science (Faculty of Veterinary Medicine) from Universidad de Colima in 2006 and earned a PhD (Faculty of Veterinary Medicine) from Universidad Autónoma del Estado de México in 2019. Hisresearch interests mainly focus on clinical pharmacology, veterinary pharmacology, veterinary anaesthesiology, pain management and treatment, neurobiology of pain, infrared thermography, anesthetic-surgical stress, and facial expressions. His scientific output includes 52 publications, corresponding to 576 citations (h-index 15) (Scopus, 25 December 2023).

Dr. Adriana Domínguez-Oliva works as a Doctor of Veterinary Medicine in Departamento de Producción Agrícola y Animal at Metropolitan Autonomous University. Her research interests mainly focus on neurophysiology; animal welfare; veterinary medicine; laboratory animals; and wildlife under human care. Her scientific output includes 50 publications, corresponding to 303 citations (h-index 10) (Scopus, 15 December 2023).

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Dr. Alfredo M.F. Pereira has been working as a Full Professor in Universidade de Évora (Evora, Portugal) since 2021. Dr. Pereira earned a Ph.D. from Universidade de Évora in 1994. Dr. Pereira’s research interests mainly focus on Animal Biometeorology, Adaptive Physiology and behaviour, and Animal welfare. Dr. Pereira’s scientific output includes 61 publications, corresponding to 712 citations (h-index 14) (Scopus, 25 December 2023).