Zobrazeno 1 - 10
of 25
pro vyhledávání: '"R. J. F. Markham"'
Autor:
A Donkin, Jennifer M. Covello, R. J. F. Markham, John F. Burka, David B. Groman, Sarah E. Friend, Mark D. Fast, Sara L. Purcell
Publikováno v:
Aquaculture. :9-16
Sea lice (Lepeophtheirus salmonis) are the most economically important ectoparasites affecting Atlantic salmon (Salmo salar) culture worldwide. In recent years the efficacy of historically successful treatments has been on the decline. As such, a new
Publikováno v:
Journal of Fish Diseases. 29:375-381
Publikováno v:
Journal of Comparative Pathology. 131:330-333
Summary Loma salmonae, an obligate intracellular microsporidian parasite, is the causal agent of microsporidial gill disease of salmon (MGDS), characterized by the production, growth and eventual rupture of spore-filled xenomas. MGDS in farmed chinoo
Publikováno v:
Scopus-Elsevier
The early ultrastructural stages of Loma salmonae were studied in the gills of experimentally infected rainbow trout. No parasitic stages were identified during the first 2 wk of the infection. By week 3 postexposure (PE), uninucleate and binucleate
Publikováno v:
Journal of Fish Biology. 59:427-441
A Salvelinus-infecting variant of Loma salmonae, derived from naturally-infected Chinook salmon Oncorhynchus tshawytscha by serial passage through brook trout Salvelinus fontinalis, has been isolated and amplified. Loma salmonae SV (Salvelinus-varian
Publikováno v:
Journal of Fish Biology. 59:442-448
Prior exposure of rainbow trout Oncorhynchus mykiss juveniles to the low-virulence variant of Loma salmonae, L. salmonae SV, spores resulted in a xenoma intensity in the gill filaments fourteen times lower (0.044 v. 0.641 xenomas per filament; P=0.00
Publikováno v:
Journal of Fish Diseases. 24:33-40
This study compared and contrasted the fate of the microsporidian Loma salmonae, a branchial pathogen of salmonids of the genus Oncorhynchus, upon exposure of (1) naive susceptible rainbow trout (RT) O. mykiss, (2) naive RT passively immunized with s
Publikováno v:
Journal of Fish Diseases. 23:235-242
Temperatures above 20 °C or below 9 °C interrupt the life cycle of the gill intracellular microsporidian parasite Loma salmonae (Microspora) prior to sporogony, inhibiting the production of xenomas. This study intended to characterize this life-cyc
Publikováno v:
Journal of Fish Diseases. 21:345-354
Experimental infection of rainbow trout, Oncorhynchus mykiss (Walbaum), juveniles with Loma salmonae at a water temperature of 15 °C yielded detectable parasite DNA within the gills by week 2 post-exposure (PE) and detectable spore-wall antigen with
Publikováno v:
Journal of Veterinary Diagnostic Investigation. 7:500-505
Bacterial diseases of the gills of commercially reared salmonids in freshwater are common problems. They accounted for 18% of all diagnostic submissions to the Atlantic Veterinary College from commercial fish hatcheries. Definitive diagnosis is diffi