Reservoir hosts and new clupeoid host records for the myoliquefactive myxosporean parasite Kudoa thyrsites (Gilchrist), Retention of antigenicity by a fragment of Aeromonas salmonicida 70‐kDa serine protease which includes the primary substrate binding site expressed as β‐galactosidase hybrid proteins, Field testing of adjuvanted furunculosis vaccines in Atlantic salmon, Salmo salar L.,Ichthyophthiriasis in carp, Cyprinus carpio L.: fate of parasites in immunized fish,Haematological responses in the European eel, Anguilla anguilla L., to sublethal infestation by Anguillicola crassus in a thermal effluent of the Swedish Baltic,Development of monoclonal antibodies to PK‘X’, the causative agent of proliferative kidney disease,The histopathology associated with the pre‐adult and adult stages of Lepeophtheirus salmonis on the Atlantic salmon, Salmo salar L.,The occurrence of a 70‐kDa serine protease gene in typical and atypical strains of Aeromonas salmonicida,The absence of coronary arterial lesions in five species of elasmobranchs, Raja nasuta, Squalus acanthias L., Isurus oxyrinchus Rafinesque, Prionace glauca (L.) and Lamna nasus (Bonnaterre),Recovery of Serratia plymuthica and presumptive Pseudomonas pseudoalcaligenes from skin lesions in rainbow trout, Oncorhynchus mykiss (Walbaum), otherwise infected with enteric redmouth,Book reviews