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Paper Information

Journal:   JOURNAL OF ANIMAL RESEARCH (IRANIAN JOURNAL OF BIOLOGY)   SPRING 2014 , Volume 27 , Number 1; Page(s) 1 To 12.
 
Paper: 

PREVALENCE OF HELMINTH AND NEMATODE PARASITES IN DIGESTIVE TRACT, SKIN SURFACE AND BLOOD OF STURGEON BROODSTOCKS FROM SOUTHEAST OF THE CASPIAN SEA

 
 
Author(s):  AGHAEI MOGHADDAM A.A., HAGHPARAST S., PAZOOKI J., POORAMINI M., DARVISH BASTAMI K.
 
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Abstract: 

Present study was established to identify the ocurance of helminth and nematode parasites in digestive tract, skin and blood of 36 specimens of Sturgeon broodstocks (31 samples of Acipenser persicus, 4 samples of A. nudiventris and 1 sample of Huso huso) caught from the 4th fishery ground in southeast of the Caspian Sea at Sturgeon cultivation and breeding centre of Shahid Marjani. It was observed that trematode Skrjabinopsolus semiarmatus and nematode Cucullanus sphaerocephalus were isolated in Sturgeon broodstocks. Statistical analysis of data showed no significant relationship between the occurance of parasitic worms and sex of the fish, so prevalence of these parasites in digestive tracts of both sexes were similar. Also, a remarkable relationship was found between the occurance of C. sphaerocephalus and S. semiarmatus with the weight of the fish (P<0.05) whearas no significant difference was detected among different length groups in studied samples (P>0.05). No parasite was identified in %36.11 of fish samples and %88.88 of them had less than 10 worms. In studied fish samples, C. sphaerocephalus indicated the highest rate of incidence and dominance (%61 and 0.72, respectively). Neither gills nor skin and caudal peduncle vein showed any helminthes in 100 prepared slides. It was also found that the internal parasites of Sturgeon broodstocks in the southeast of the Caspian Sea are the same as those isolated in the southwest but the diversity of parasites were fewer in the former.

 
Keyword(s): STURGEON BROODSTOCK, HELMINTH PARASITE, CASPIAN SEA
 
References: 
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