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REFERENCES

Alabaster J.S., Lloyd R. (1980): Water quality criteria for freshwater fish. Butterworths. pp. 297.

Birge W.J., Black J.A., Hudson J.E., Bruser D.M. (1977): Embryo-larval toxicity test with organic compounds. Aquatic Toxicology. Proc. of the Second Annual Symposium on Aquatic Toxicology; Philadelphia, American Society for Testing and Materials.

Bohl M. (1989): Optimal water quality-basis of fish health and economical production. Current trends in fish therapy. Deutsche Veterinärmedizinische Gesellschaft e. V., Giessen, 18–32.

Hrbáček J. et al. (1974): Limnological methods. SPN, Praha pp. 208 (In Czech).

Khan R.A., Thulin J. (1991): Influence of pollution on parasites of aquatic animals. Advances in Parasitology, 30, 202–238.

Koskivaara M., Valtonen E.T., Prost M. (1991): Seasonal occurence of gyrodactylid monogeneans on the roach (Rutilus rutilus) and variations between four lakes of differing water quality in Finland. Aqua Fennica 21, 47–55.

Koskivaara M., Valtonen E.T. (1992): Dactylogyrus (Monogenea) communities in three lakes in central Finland. Parasitology. 104, 263–272.

Lewis W.M., Morris D.P. (1986): Toxicity of nitrite to fish: A review. Trans. Amer. Fish. Soc., 115, No. 2, 183–195.

Lloyd R. (1992): Pollution and freshwater fish. Fishing News Books, Oxford, UK., pp. 192

Mattheis Th., Sommer M. Ch, Grahl K. (1984); Datensammlung der Grenzkonzentrationen von Schadstoffen für die Fischproduktion. III. Polychlorierte Biphenyle. Institut für Binnenfischerei, Berlin, pp. 58.

Pascoe D., Cram P. (1977): The effect of parasitism on the toxicity of cadmium to the three-spined stickleback, Gasterosteus aculeatus L.J. Fish Biol. 10, 467–472.

Perevozchenko I.I., Davydov O.N. (1974): DDT and its metabolites in some cestodes in fishes. Gidrobiologicheski Zhurnal 10, 86–90.

Pitter P. (1974): Design of standard test for assessment of biological degradability of organic substances. Vod. Hospod., B, 24, 247–250 (In Czech).

Schreckenbach K. (1982): Die Bedeutung von Umweltfaktoren bei der Fischproduktion in Binnengewässer. Mh. Vet. Med., 37, 220–230.

Svobodová Z., Faina R. (1984): Application of Soldep in fish culture. Vodňany, VÚRH, Edition of Methods, 12, pp. 15. (In Czech).

Svobodová Z., Vykusová B. (1991): Determining the maximum admissible concentrations of substances in water from the point of view of fish culture requirements. Research Institute of Fish Culture and Hydrobiology, Vodňany

Svobodová Z. et al. (1987): Toxicology of aquatic animals. SZN, Praha, pp. 231 (In Czech).

Taege M. (1982): Brutfrühsterben bei Karpfen (Cyprinus carpio) nach industriemässiger Erbrütung und ihre Ursachen. III. Der Einfluss des Kohlendioxid-Gehaltes des Wassers auf die Lebensfähigkeit von Karpfenbrut und den physiologischen Zustand von Karpfen. Z. Binnenfisch. DDR, 29, 18–24.

Vámos R., Szöllözy G. (1974): There is not a danger of ammonia intoxication of fish if there is enough oxygen in water. Halászat, 20, No. 4, 124 (In Hungarian).

Wedemeyer, G.A., McLeay, O.J. (1981): Methods for determining the tolerance of fishes to enviromental stressors. In: Pickering: Stress and fish. Academic. Press, London, N.J., Toronto, Sydney, San Francisco, p. 247–275.

Wood, J. (1974): Diseases of pacific Salmon, their prevention and treatment. State of Washington, Dep. of. Fisheries, 2nd Ed.


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