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  • Electronic Resource  (5)
  • 1985-1989  (3)
  • 1980-1984  (2)
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  • Electronic Resource  (5)
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  • 1
    Electronic Resource
    Electronic Resource
    The effect of sublethal cyanide exposure on plasma viteliogenin levels in rainbow trout (Salmo gairdneri) during early vitellogenesis (1986)
    Springer
    Archives of environmental contamination and toxicology 15 (1986), S. 603-607 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract Female rainbow troutSalmo gairdneri were exposed to 0.01 mg L−1 hydrogen cyanide (HCN) for 12 days at 12.5 ± 0.5
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01056575
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of sublethal pentachlorophenol on early oogenesis in maturing female rainbow trout (Salmo gairdneri) (1986)
    Springer
    Archives of environmental contamination and toxicology 15 (1986), S. 549-555 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract Female rainbow trout (Salmo gairdneri) were exposed to sublethal levels of purified pentachlorophenol (99 + % PCP) and the effects upon ovarian development were assessed. A significant increase in atresia among Stage 2 oocytes (Balbiani stage), was recorded in females exposed for 18 days to 22 and 49 Μg/L during July 1984. The number of viable Stage 2 oocytes, relative to controls, were reduced to 52% and 19% at 22 and 49 Μg/L, respectively, significantly reducing the number of viable oocytes available to complete oogenesis. A similar response under identical conditions was not observed in December 1983. This is the first report demonstrating a significant effect on oogenesis following sublethal PCP exposure during early summer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01056569
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Histological and quantitative effects of sublethal cyanide exposure on oocyte development in rainbow trout (1982)
    Springer
    Archives of environmental contamination and toxicology 11 (1982), S. 343-352 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract Sexually maturing female rainbow trout were exposed in the laboratory to 0.01 mg/L and 0.02 mg/L hydrogen cyanide (HCN) for 20 days at 10 ±0.5
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01055211
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The effect of sublethal cyanide on vitellogenic parameters in rainbow troutSalmo gairdneri (1984)
    Springer
    Archives of environmental contamination and toxicology 13 (1984), S. 101-104 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract The effects of sublethal cyanide exposure on exogenous yolk production by the liver was examined in sexually maturing female rainbow troutSalmo gairdneri at the onset of vitellogenesis. Fish were exposed to a range of sublethal concentrations of cyanide (0.01, 0.02 and 0.03 mg/L) for 7 days at 12.5 ± 1°C. Serum calcium and phosphoprotein phosphorus levels were measured and hepatosomatic indices calculated as indicators of exogenous yolk production. Results indicate that serum calcium levels were signficantly reduced at 0.01 mg/L HCN in males and females. There was no apparent effect upon serum phosphoprotein phosphorus levels or hepatosomatic indices at this concentration. Serum calcium levels in females were significantly reduced when compared with control females and hepatosomatic indices declined at 0.02 mg/L HCN. The implication of reduced serum calcium during early vitellogenesis upon secondary yolk production and reproduction in females is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01055651
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Changes in plasma, liver, and ovary vitellogenin in landlocked atlantic salmon following exposure to sublethal cyanide (1987)
    Springer
    Archives of environmental contamination and toxicology 16 (1987), S. 507-510 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract Female landlocked Atlantic salmon (Salmo salar Ouananiche) were exposed to 0.005 mg/L hydrogen cyanide (HCN) for 12 days at 7±1°C during late vitellogenesis (October). Plasma vitellogenin and liver and gonad ‘vitellogenin’ levels were measured by homologous radioimmunoassay (RIA) specifically developed for this species. Results indicated that plasma vitellogenin levels increased in cyanide exposed fish. ‘Vitellogenin’ levels in the liver did not change relative to control fish suggesting that the increased levels of plasma vitellogenin did not result from a change in synthesis in the liver. ‘Vitellogenin’ levels declined in the gonad relative to the controls by day 12. Elevated plasma vitellogenin levels along with decreased ‘vitellogenin’ in the gonads suggest that exposure of female salmon to sublethal HCN during late vitellogenesis inhibits the uptake of vitellogenin at the ovarian level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01055274
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    Paper (German National Licenses)
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