Browse the brown trout reference database (contributions and corrections are welcome)
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• O'Connell, M. F. and J. B. Dempson (1996). Spatial and temporal distribution, of salmonids in two ponds in Newfoundland, Canada. Journal of Fish Biology 48 (4): 738-757.

• Odonnell, G. B., P. R. Smith, J. J. Kilmartin and A. P. Moran (1994). Uptake and fate of orally-administered bacterial lipopolysaccharide in brown trout (Salmo trutta). Fish & Shellfish Immunology 4 (4): 285-299.

• O'Farrell, M. M. and R. E. Peirce (1989). The occurrence of a gynandromorphic migratory trout Salmo trutta L. J Fish Biol 34 (2): 327-328.

• O'Farrell, M. M., K. F. Whelan and B. J. Whelan (1989). A preliminary appraisal of the fecundity of migratory trout Salmo trutta in the Erriff catchment Western Ireland. Pol Arch Hydrobiol 36 (2): 273-282.

• O'Gorman, R., R. A. Bergstedt and T. H. Eckert (1987). Prey fish dynamics and salmonine predator growth in Lake Ontario USA Canada 1978-84. Can J Fish Aquat Sci 44 (2): 390-403.

• Ogrady, K. T. and M. I. Abdullah (1985). Mobility and residence of Zn in brown trout Salmo trutta - results of environmentally induced change through transfer. Environmental Pollution Series a Ecological and Biological 38 (2): 109-127.

• Ogrady, M. F. (1983). Observations on the dietary habits of wild and stocked brown trout, Salmo trutta L, in Irish lakes. Journal of Fish Biology 22 (5): 593-601.

• Ogrady, M. F. (1984). The effects of fin-clipping, floy-tagging and fin-damage on the survival and growth of brown trout (Salmo trutta L) stocked in Irish lakes. Fisheries Management 15 (2): 49-58.

• Ogrady, M. F. (1984). Observations on the contribution of planted brown trout (Salmo trutta L) to spawning stocks in four Irish lakes. Fisheries Management 15 (3): 117-122.

• O'Grady, M. F. (1993). Initial observations on the effects of varying levels of deciduous bankside vegetation on salmonid stocks in Irish waters. Aquacult Fish Manage 24 (4): 563-573.

• Ogrady, P., M. Moloney and P. R. Smith (1988). Bath administration of the quinoline antibiotic flumequine to brown trout Salmo trutta and Atlantic salmon S salar. Diseases of Aquatic Organisms 4 (1): 27-33.

• Oikari, A., P. Lindstrom-Seppa and J. Kukkonen (1988). Subchronic metabolic effects and toxicity of a simulated pulp mill effluent on juvenile lake trout Salmo trutta M lacustris. Ecotoxicol Environ Saf 16 (3): 202-218.

• Ojanguren, A. F., F. G. ReyesGavilan and F. Brana (1996). Effects of egg size on offspring development and fitness in brown trout, Salmo trutta L. Aquaculture 147 (1-2): 9-20.

• Økland, F., B. Jonsson, A. J. Jensen and L. P. Hansen (1993). Is there a threshold size regulating seaward migration of brown trout and Atlantic salmon. Journal of Fish Biology 42: 541-550.

• Okland, F., D. Jonsson, A. J. Jensen and L. P. Hansen (1993). Is there a threshold size regulating seaward migration of brown trout and Atlantic salmon? J Fish Biol 42 (4): 541-550.

• Olsen, K. H., T. Jarvi and A. C. Lof (1996). Aggressiveness and kinship in brown trout (Salmo trutta) parr. Behavioral Ecology 7 (4): 445-450.

• Olson, R. A., J. D. Winter, D. C. Nettles and J. M. Haynes (1988). Resource partitioning in summer by salmonids in South-Central Lake Ontario USA. Trans Am Fish Soc 117 (6): 552-559.

• Olsson, T. I. and B. G. Persson (1986). Effects of gravel size and peat material concentrations on embryo survival and alevin emergence of brown trout, Salmo trutta L. Hydrobiologia 135 (1-2): 9-14.

• Olsson, T. I. and B. G. Persson (1988). Effects of deposited sand on ova survival and alevin emergence in brown trout (Salmo trutta L). Archiv Fur Hydrobiologie 113 (4): 621-627.

• Ombredane, D., J. L. Bagliniere and F. Marchand (1998). The effects of Passive Integrated Transponder tags on survival and growth of juvenile brown trout (Salmo trutta L.) and their use for studying movement in a small river. Hydrobiologia 372: 99-106.

• Ombredane, D. and A. Richard (1990). Determination of optimum scales sampling location for sea trout smolts Salmo trutta L. Bull Fr Peche Piscic 319: 224-238.

• O'Neill, S. and H. Fletcher (1995). Trout as a model for the study of meiosis. Chromosome Research 3 (1): 120.

• Orciari, R. D. and G. H. Leonard (1990). Catch and release management of a trout stream contaminated with PCBs. N Am J Fish Manage 10 (3): 315-329.

• Ormerod, S. J., N. S. Weatherly, P. French, S. Blake and W. M. Jones (1987). The physiological response of brown trout Salmo trutta to induced episodes of low pH and elevated aluminum in a Welsh hill-stream. Annales De La Societe Royale Zoologique De Belgique 117 (S1): 435-447.

• Osinov, A. and L. Bernatchez (1996). Atlantic and Danubean phylogenetic groupings of brown trout (Salmo trutta L.) complex: genetic divergence, evolution, and conservation. Journal of Ichthyology 36: 762-786.

• Osinov, A. G. (1984). Zoogeographical origins of brown trout, Salmo trutta (Salmonidae): Data from biochemical genetic markers. Journal of Ichthyology 24: 10-23.

• Osinov, A. G. (1989). Brown trout (Salmo trutta L., Salmonidae) in basins of the Black and Caspian Seas: a population-genetic analysis. Genetika (Moscow) 24: 2172-2186.

• Osinov, A. G. (1990). The level of genetic variation and differentiation of the brown trout (Salmo trutta L.) in Tadjikistan. Moscow University Biol. Sci. Bull. 45: 37-41.

• Osinov, A. G. (1990). Low lewel of genetic variability and differentiation in ecological forms of Sevan trout Salmo ischchan Kessler. Genetika (Moscow) 25: 1827-1835.

• Osinov, A. G. (1990). On the problem of Sevan trout Salmo ischchan Kessler Origin: A population-genetic approach. Zh. Obshch. Biol. (Moscow) 51: 817-827.

• Osinov, A. G. (1990). Some data on the level of genetic variability and differentiation of the rainbow trout Salmo trutta L. populations of Tadzhikistan Ussr. Vestn Mosk Univ Ser Xvi Biol 1: 37-41.

• Osinov, A. G. and L. Bernatchez (1996). "Atlantic" and "Danube" phylogenetic groups of the sea trout Salmo trutta complex: Genetic divergence, evolution, protection. Voprosy Ikhtiologii 36 (6): 762-786.

• Ottaway, E. M. (1981). How to obtain artificial brown trout (Salmo trutta L) eggs. Fisheries Management 12 (1): 37-38.

• Ottaway, E. M., P. A. Carling, A. Clarke and N. A. Reader (1981). Observations on the structure of brown trout, Salmo trutta Linnaeus, redds. Journal of Fish Biology 19 (5): 593-607.

• Ottaway, E. M. and A. Clarke (1981). A preliminary investigation into the vulnerability of young trout (Salmo truita L.) and Atlantic salmon (S. salar L.) to downstream displacement by high water velocities. Journal of Fish Biology 19: 135-145.

• Ottaway, E. M. and D. R. Forrest (1983). The influence of water velocity on the downstream movement of alevins and fry of brown trout, Salmo trutta L. Journal of Fish Biology 23 (2): 221-227.

• Oughterson, S. M., R. Munoz-Chapuli, V. De Andres, R. Lawson, S. Heath and D. H. Davies (1995). The effects of calcitonin on serum calcium levels in immature brown trout, Salmo trutta. General and Comparative Endocrinology 97 (1): 42-48.

• Ovenden, J. R., R. Bywater and R. W. G. White (1993). Mitochondrial DNA nucleotide sequence variation in Atlantic salmon (Salmo salar), brown trout (S. trutta), rainbow trout (Oncorhynchus mykiss) and brook trout (Salvelinus fontinalis) from Tasmania, Australia. Aquaculture 114: 217-227.

• Ovidio, M., E. Baras, D. Goffaux, C. Birtles and J. C. Philippart (1998). Environmental unpredictability rules the autumn migration of brown trout (Salmo trutta L.) in the Belgian Ardennes. Hydrobiologia 372: 263-274.