PRRSV with PCV‐2‐associated disease and secondary bacterial infection in wasting finishing pigs Ergotism in cattle linked to late‐cut silage Ovine abortion associated with Chlamydophila species, toxoplasmosis and Listeria species infection Hypoglycaemia/spiking mortality syndrome suspected in a three‐week‐old broiler flock Mortality in greenfinches associated with trichomonosis These are among matters discussed in the Animal Health and Veterinary Laboratories Agency's (AHVLA's) disease surveillance report for December 2011