In this issue – July 2012 : Tracheal aspiration and bronchoalveolar lavage in horses · Atypical case of Murray Valley encephalitis virus in a horse · Hinged circular fixator constructs for crural deformities · Gingival maxilliary squamous cell carcinoma in a dog · Scarlet pimpernel poisoning in cattle · Molybdenum deficiency may predispose to Tribulus staggers in sheep · Ureaplasma diversum in Australia · Fatal acute necrotising ventriculitis in a parrot