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Accession number:

186

Host species (latin):

Oncorhynchus mykiss

Common name:

Trout, Rainbow Freshwater

Disease/condition:

Whirling Disease

Location (host):

Head cartilage

Aetiology:

Myxobolus cerebralis

Aetiology:

Myxobolus cerebralis

Additional Information:

Significance:

Approximately 80% of 6 - 8oz. fish showed typical spore infestation. Mortalities not reported. Primarily a disease of pond reared salmonids, especially rainbow trout. Life cycle includes oligochaete worms in which the infective stage to fish is produced

Lession:

Histology revealed spores of M. cerebralis in the head cartilage associated with necrosis of the cartilage. Minimal inflammation and fibrosis present.

Stains:

Location:

River fed farm

Area:

South west England

Country:

Submitter:

D. Bucke

Accession date:

7/14/1981

Images:

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