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494
Cyprinus carpio
Carp, Common
Swimbladder inflammation
Swimbladder
Sphaerospora renicola
Sphaerospora renicola
Regarded as a serious threat to carp culture in Europe. Mainly affecting juvenile fish. Mortalities not reported during present outbreak. Various life cycle stages affecting renal tubules, blood, swimbladder and choroidal rete.
Renal tubules occluded with sporogonic stages of S. renicola. Swimbladder and choroidal rete showing inflammatory changes in response to extrasporogonic stages of S. renicola.
Carp farm location
S. ENGLAND
UK
S.W. Feist
3/23/1993
