Bacterial flora and parasitical fauna in different sturgeon hatcheries
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Author
Shenavar Masouleh, AlirezaMasoomian, M.
Soltani, M.
Zare Gashti, Gh.
Koochekian Sabour, A.
Seifzadeh, M.
Vahabi, Y.
Effatpanah, I.
Darvishi, F.
Date
2003
Metadata
Show full item recordAbstract
The study of microbial populations is a useful tool in understanding atzd applying control methods to improve the sanitary level of production in fish breeding and rearing centers ensure health of Sturgeon fingerlings at the time of their release into the rivers and also in the conservation and restoration of these valuable stocks in the Caspian Sea. In these research, bacterial study conducted on 3 Sturgeon species, A persicus, A.stellatus and A.nudiyentris during different growth stages. Also, parasitic jitna, investigated at fingerling stage. Oocyte examination indicated that frequency of Enterobacteriaceae (38%) was higher than Pseudomonadaceae (34.67%), Aeromonadaceae (16%), Moratellaceae (6%) and Vürionaceae (5.33%). In larval stage,the frequency of Enterobacteriaceae(31.34 %) was higher than Aeromonadaceae(29.33%) , Moraxellaceae (18 % ),Pseudomonadaceae (14 %) and Pfbrionaceae (7.33%). In fingerling stage, Vibrionaceae (44 %) Showed higher frequency Than Pseudomonadaceae (16.67%), Enterobacferiaceae(16 %) Aeromonadaceae(14 %) and Moraxellaceae (9.33%). 11 Incidences of Tricodina infection was observed in the 50 A. Stellatus specimens with 22 % Prevalence Among the 50 incidences was obsened 10 % (prevalence) of the specimens were infected with the parasite Diplostomum and 24 % were infected with the parasite Trichodina. However no signs of parasitical infection was observed in the 50 Nudiventris specimens examined in this study. The examination of 150 stained blood spreads prepared from the species showed no, signs of parasitical infection.Pages
43pp.Publisher or University
Iranian Fisheries Science Research InstituteSeries : Nr
Ocr Translate Report (42);Collections