Cranial nodules in farmed Atlantic salmon, Salmo salar L, fry

被引:3
作者
Bruno, DW
机构
[1] Scottish Office Agriculture, Environ. and Fisheries Department, Marine Laboratory, Aberdeen
[2] Scottish Office of Agriculture, Environ. and Fisheries Department, Marine Laboratory, Aberdeen AB11 9DB, Victoria Road
来源
JOURNAL OF APPLIED ICHTHYOLOGY-ZEITSCHRIFT FUR ANGEWANDTE ICHTHYOLOGIE | 1997年 / 13卷 / 01期
关键词
D O I
10.1111/j.1439-0426.1997.tb00099.x
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
Cranial nodules are described from Atlantic salmon, Salmo salar fry hatched from certain egg batches. Conspicuous, smooth, mostly unilateral nodules were recorded on the cranium. Histologically, the cerebellum appeared normal, but was displaced dorsally. Karyorhectic malpighian cells were absent from the epidermis and the meninges appeared normal. There was no apparent contact of the cerebellum with the water, or evidence of fungal, bacterial or parasitic infection. Mortality of up to 15% as recorded. The aetiology of this condition is currently unknown.
引用
收藏
页码:47 / 48
页数:2
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