Gut health in animals is a growing area of scientific research, but important knowledge gaps remain in several species, including horses, researchers report. Most of the research in the field since 2000 has focused on pigs, poultry and animals used in aquaculture. Elena Colombino, Daniel Prieto-Botella and Maria Teresa Capucchio set out in their study to examine the nature of gut-related veterinary research for the 21 years between 2000 and 2020. They examined the number of studies published, the species of interest, and the areas of gut research on which the scientists focused. The trio, wri...