Horse DiseasesCost of IllnessCritical IllnessSeverity of Illness IndexEquidaeAfrican horse sickness virusMental DisordersIllness BehaviorLameness, AnimalColicChronic DiseaseEquine Infectious AnemiaHoof and ClawPerissodactylaInfluenza, HumanFoodborne DiseasesRespiratory Tract InfectionsFeverUnited StatesPhysical Conditioning, AnimalSick RoleMentally Ill PersonsInfectious Anemia Virus, EquineTime FactorsQuestionnairesSeasonsRespiratory Tract DiseasesStereotypingPsychotic Disorders