A procedure established for the selective isolation of the species of Streptococcus responsible for rainbow trout streptococcosis in South Africa, consisted of the inoculation of samples into nutrient broth which had been supplemented with 100 micrograms/ml of nalidixic acid, 160 micrograms/ml of oxolinic acid or 200 micrograms/ml of sodium azide. After incubation, the sample was plated onto te...

Aflatoxin Bi, the most potent hepatic chemical carcinogen known, is activated to the putative product aflatoxin B,-2,3epoxide via a cytochrome P-450-dependent reaction. Mt. Shasta rainbow trout is the most sensitive species known to the hepatocarcinogenic effects of aflatoxin B,. We have previously iso lated and purified a minor form of cytochrome P-450 from this strain of rainbow trout, with a...

An experimental model for immersion challenge of rainbow trout fry (Oncorhynchus mykiss) with Flavobacterium psychrophilum, the causative agent of rainbow trout fry syndrome and bacterial cold water disease was established in the present study. Although injection-based infection models are reliable and produce high levels of mortality attempts to establish a reproducible immersion model have be...

[PDF] [Full Text] [Abstract] , March 6, 2002; 205 (8): 1179-1188. J. Exp. Biol. M. Grosell and C. M. Wood Copper uptake across rainbow trout gills: mechanisms of apical entry [PDF] [Full Text] [Abstract] , January 1, 2003; 206 (1): 11-23. J. Exp. Biol. N. R. Bury, P. A. Walker and C. N. Glover Nutritive metal uptake in teleost fish [PDF] [Full Text] [Abstract] , July 1, 2004; 287 (1): R23...

MicroRNAs (miRNAs) are a class of endogenous small non-coding RNA molecules that regulate post-transcriptional expression of target genes and play important roles in animal development. The objectives of this study were to characterize the egg miRNA transcriptome and identify novel egg-predominant miRNAs in rainbow trout. Small RNAs isolated from mature unfertilized rainbow trout eggs were subj...

Efforts to obtain a comprehensive genome sequence for rainbow trout are ongoing and will be complemented by transcriptome information that will enhance genome assembly and annotation. Previously, transcriptome reference sequences were reported using data from different sources. Although the previous work added a great wealth of sequences, a complete and well-annotated transcriptome is still nee...

In rainbow trout the magnitude of the cortisol response to stress shows both consistency over time and a moderate to high degree of heritability, and high responding (HR) and low responding (LR) lines of rainbow trout have been generated by individual selection for consistently high or low post-stress cortisol values. Using 2nd and 3rd generation fish, we tested the hypothesis that differential...

Considering the complex of decision-making process of rainbow trout feeding, a rainbow trout feeding decision support system is built by integrating case-based reasoning and rule-based reasoning with XML. This paper describes the theory of hybrid reasoning, and several experiment results with their own interpretation. The web based feeding decision support system is proved to have improved the ...

lactococcus garvieae is the etiological agent of lactococcosis, an emerging disease which affects several fish species and causes important economic losses both in marine and freshwater aquaculture. lactococcosis usually happens when water temperature increases over 15°c during the year. normally, it causes a hyperacute and haemorrhagic septicemia in fish. this paper presents a procedure for pr...