Effects of stress on growth, cortisol and glucose levels in non-domesticated Eurasian perch (Perca fluviatilis) and domesticated rainbow trout (Oncorhynchus mykiss)

2005 ◽  
Vol 141 (3) ◽  
pp. 353-358 ◽  
Author(s):  
Sissel Jentoft ◽  
Are H. Aastveit ◽  
Peter A. Torjesen ◽  
Øivind Andersen
Keyword(s):  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Perca Fluviatilis ◽  
Eurasian Perch ◽  
Glucose Levels ◽  
Rainbow Trout Oncorhynchus Mykiss ◽  
Perch Perca Fluviatilis ◽  
Effects Of Stress

Pattern of gill innervation in two teleosts, the perch and the trout

1993 ◽  
Vol 71 (1) ◽  
pp. 18-25 ◽  
Author(s):  
Suzanne Dunel-Erb ◽  
Yannick Bailly ◽  
Pierre Laurent
Keyword(s):  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Perca Fluviatilis ◽  
Taste Buds ◽  
Striated Muscles ◽  
Gill Rakers ◽  
Posterior Side ◽  
Rainbow Trout Oncorhynchus Mykiss ◽  
Perch Perca Fluviatilis ◽  
Anterior Side

The distribution of the branchial nerves in the gills of the perch (Perca fluviatilis) and the rainbow trout (Oncorhynchus mykiss) was studied. Two nerve branches supply each gill arch: the first arch receives a posttrematic branch from the glossopharyngeal nerve and a pretrematic branch from the vagus. The second, third, and fourth arches receive a posttrematic and a pretrematic branch from the vagus. Within each arch the posttrematic branch runs on the anterior side and innervates the filaments of the anterior hemibranch. The pretrematic branch runs on the posterior side and innervates the filaments of the posterior hemibranch. In addition, the posttrematic branches innervate the striated muscles and carry the sympathetic fibers for both hemibranchs. The taste buds and gill rakers are supplied by internal branches of both the pretrematic and posttrematic nerves.

scholarly journals Experimental infection with epizootic haematopoietic necrosis virus (EHNV) of rainbow trout (Oncorhynchus mykiss Walbaum) and European perch (Perca fluviatilis L.)

2015 ◽  
Vol 59 (4) ◽  
pp. 473-478 ◽  
Author(s):  
Ewa Borzym ◽  
Joanna Maj-Paluch
Keyword(s):  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Experimental Infection ◽  
Clinical Signs ◽  
Perca Fluviatilis ◽  
Necrosis Virus ◽  
Rainbow Trout Oncorhynchus Mykiss ◽  
Perch Perca Fluviatilis ◽  
Temperature Ranges

AbstractThe aim of this study was the determination of the susceptibility of Polish farmed redfin perch (Perca fluviatilis L.) and rainbow trout (Oncorhynchus mykiss Walbaum) to experimental infection with haematopoietic necrosis virus (EHNV). A bath challenge model was tested at two temperature ranges: 13-15°C and 20-22°C. After 7 d, the first clinical signs and mortality were observed in fish kept at these temperatures. Significantly more mortality cases were reported in the redfin perch population, reaching a maximum of 24% compared with 12% in the rainbow trout group at 20-22°C. EHNV was reisolated from redfin perch and rainbow trout tissue in cell culture and the infection was confirmed by a molecular method and histopathology during the duration of the experiment. This study revealed that fish from Polish farms can be susceptible to EHNV even at lower temperatures.

scholarly journals Effects of Stress on the Reproductive Performance of Rainbow Trout (Oncorhynchus mykiss)1

1998 ◽  
Vol 58 (2) ◽  
pp. 439-447 ◽  
Author(s):  
W. M. Contreras-Sánchez ◽  
C. B. Schreck ◽  
M. S. Fitzpatrick ◽  
C. B. Pereira
Keyword(s):  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Reproductive Performance ◽  
Rainbow Trout Oncorhynchus Mykiss ◽  
Effects Of Stress

The relative efficacy of stocking fry or yearling rainbow trout (Oncorhynchus mykiss) into a large impoundment dominated by redfin perch (Perca fluviatilis) in south-western Australia

2004 ◽  
Vol 55 (8) ◽  
pp. 781 ◽  
Author(s):  
Brett W. Molony ◽  
Chris Bird ◽  
Vinh P. Nguyen
Keyword(s):  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Western Australia ◽  
Perca Fluviatilis ◽  
Gut Contents ◽  
Management Options ◽  
Rainbow Trout Oncorhynchus Mykiss ◽  
Predatory Impact ◽  
Relative Abundances ◽  
Predatory Fishes

To compare the efficacy of stocking fry and yearling rainbow trout, Oncorhynchus mykiss, into reservoirs of south-western Australia, 20 000 fry and 1400 yearlings were stocked into Lake Navarino and sampled over a five-month period. Oncorhynchus mykiss fry were collected via seine-nets within 24 h of stocking; however, within 60 h of stocking, no O. mykiss fry could be located, suggesting the total mortality of fry. Within 24 h of stocking, O. mykiss fry were present in the guts of Perca fluviatilis and Salmo trutta. A simple risk analysis of stocking O. mykiss fry, based on gut contents and relative abundances of predatory fishes, indicated that P. fluviatilis has a relative predatory impact on O. mykiss fry more than 100 times greater than other fishes. Perca fluviatilis also has a greater relative predatory impact on freshwater crayfishes than either species of trout. The results demonstrate the advantages of stocking yearling O. mykiss in impounded waters dominated by P. fluviatilis. Existing data of relative abundances of predatory fishes and relative predatory impacts can be used by managers as a powerful and simple tool to assess strategies for stocking fish and the application of other management options.

Response of lactate metabolism in brain glucosensing areas of rainbow trout (Oncorhynchus mykiss) to changes in glucose levels

2015 ◽  
Vol 185 (8) ◽  
pp. 869-882 ◽  
Author(s):  
Cristina Otero-Rodiño ◽  
Marta Librán-Pérez ◽  
Cristina Velasco ◽  
Rosa Álvarez-Otero ◽  
Marcos A. López-Patiño ◽  
...  
Keyword(s):  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Lactate Metabolism ◽  
Glucose Levels ◽  
Rainbow Trout Oncorhynchus Mykiss
Sign in / Sign up

Export Citation Format

Share Document