(A to C) Mycoplasma conjunctivae infection cases (A), clinical signs (KC) (B), and prevalence (C) shown by age class (K, kids; Y, yearlings; Yg, young; P, prime age; S, senescence) in the Iberian ibex population in two different epidemiological scenarios, an IKC outbreak in 2013 and mostly asymptomatic infections in 2014. Higher M. conjunctivae prevalence and more severe clinical signs are observed in kids only during the IKC outbreak.