TOXOPATHOLOGICAL EFFECTS OF SOME ENVIRONMENTAL POLLUTANTS ON OREOCHROMOUS NILOTICUS GILLS التأثيرات الباثولوجية لبعض الملوثات على خياشيم أسماک البلطى النيلى

REFERENCES :
1-Ibrahim, Th.A. (1992): Toxicity of acid
precipitation on some Nile fish. Proc. 2nd
Cong. Fac. Vet. Med., Cairo Univ. 39-45.
2-Klontz, G.W.; Chacko, A.J. and Beleaw,
M.H. (1980): Environmental gill disease
(EGD) what it is and what to do about it ?
In “proceedings of the North Pacific
Aquaculture Symposium”, pp. 337-340.
Univ. of Alaska, Anchorage.
3-Wood, J.W. (1979): “Diseases of Pacific
Salmon: Their prevention and treatment”,
3rd Ed. State of Washington, Department
of Fisheries, Hatcheries Division,
Washington.
4-Sniezko, S.F. (1974): The effects of
environmental stress on outbreaks of
infectious diseases of fishes. J. Fish. Biol., 6
(2): 197-208.
5-Smith, C.E. and Piper, R.G. (1950): Lesions
associated with chronic exposure to
ammonia. In “The Pathology of Fishes”
(W.E. Ribelin and G. Migaki, eds) pp. 497-
514. Univ. of Winconsin Press. Madison.
6-Klontz, G.W.; Stewart, R.C. and Eib, W.
(1985): On the pathology and
pathophysiology of environmental gill
disease in juvenile salmonids. Shellfish
Pathology. 20: 199-210.
7-Untied States Department of Interior Fish
and Wildlife Service (1964): Procedure for
evaluation of acute toxicity of pesticides to
fish and wildlife.
8-Seddek, A.Sh. (1990): Acute toxicity studies
of the moulluscicide copper sulfate (Cu
So4) on some Nile fish. Assiut Vet. Med. J.,
32, 45: 166-175.
9-Shehata, A.; Ibrahim, Th.A. and Shaaban,
A.A. (1986): Acute and subchronic toxicity
studies of Bayluscide in Tilapia Nilotica
fish. Assiut Vet. Med. J., 17, 34: 215-221.
10-Curtis, M.W. and Ward, C.H. (1981):
Aquatic toxicity of 40 industrial chemical,
testing in support of hazardous substance.
Spill prevention regulation J. hydrol., 51,
pp. 359.
11-Arthur, J.W.; West, C.W.; Allen, K.N.
and Hedtke, S.F. (1987): Bulletin of
environmental contamination and
toxicology 38, 324. Cited in toxicants in
the aqueous ecosystem edited by
Crompton (1996). John Wiley Sons, pp.
104.
12-Shehata, A. (1990): Effect of thermal
pollution on some Nile fish. Assiut Vet.
Med. J., Vol. 24, 47: 208-214.
13-Bancroft, J. D. and Stevens, A. (1982) :
Theory and practic of Histological
Techniques. Churchill Livingstone. 482-
519.
14-Maliek, L.E. and Wilson, R.B. (1975):
Modified thiocorbohydrazid procedure
for scanning electron microscopy: Routine
use for normal, pathological or
experimental tissue stain technol., 50: 265-
269.
15-Benoit, D.A. (1975): Chronic effect of
copper on survival, growth, and
reproduction of the blue-gill. Tran. Am.
Fish Soc., 104: 353-358.
16-Noel-Lambt, F.; Gierday, G. and Disteche,
A. (1978): Distribution of cd, Zn and Cu
in liver and gills of the eel anguilla
anguilla with special reference to metallothionein. Comp. Biochem. 

Physical., 610: 177-187.
17-Seddek, A.Sh.; Shehata, A.; Sohair, R.
Aly; Abdel-Nasser, M. and Ibrahim, Th.A.
(1992): Toxicological effects of copper
sulfate on Tilapia Nilotica fish. Proc. 2nd
Cong. Fac. Vet. Med., Cairo Univ.
18-Buhler, Dir, Stockes, P.M. and Caldwell,
R.S. (1977): Tissue accumulation and
enzymatic effects of hexavalent chromium
in rainbow trout (Salmo gairdneri). J.
Fish Res. Bd. Con., 34: 9-18.
19-Evans, D.H. (1980): Kinetic studies of ion
transport by fish gill epithelium. Am. J.
Physical., 238 P. 224-230.
20-Cardheilac, P.T.; Simposon, C.F.;
Lovelock, R.L.; Yosha, S.R.; Calderwood,
H.W. and Gudt, J.C. (1979): Failure of
osmoregulation with apparent potassium
intoxication in marine leteasts: a primary
toxic effect of copper. Aquaculture, 17:
231-239.
21-Mallatt, J. (1985): Fish gill structural
changes induced by toxicants and other
irritants: a statistical review. Canadian J.
of Fishers and Aquatic Science, 42: 630-
648.
22-Daye, P.G. and Garside, E.T. (1976):
Histopathological changes in superficial
tissues of brook trout, salvelinus
(Mitchill), Exposed to acute and chronic
levels of pH. Can. J. Zool., 54: 2140-2155.
23-Mckenna, M. and Dener, F. (1976): Effect
of ambient pH on the gills of letaturns
melas. Raf. Am. Zool., 16: 224
24-Karwin-Kossakowski, M. and Jezierska,
B. (1985): The effect of temperature on
survival of carp fry, cyprins carpio., in
acidic water. J. Fish Biol., 26: 43-47.
25-Temmink, J.; Bouwmeister, P.; Jong,
P.DE and Van Den Berg (1983): An
ultrastructural study of chromate induced
hyperplasia in the gill of rainbow trout.,
ancorhynchus mykiss. Aquatic
Toxicology, 4: 165-179.
26-Abd El-Naser; Soher, R. Ali; Shehata, A.
and Ibrahim, Th.A. (1991): Toxopath￾ological changes in Tilapias fish exposed
to pirimor, Nuvacron and the mixture of
both. Beni-suef. Vet. Med. Res., 1, 2: 212-
223