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Growth performance and some haematological parameters of ornamental striped catfish (Pangasianodon hypophthalmus) fed on dietary nucleotide | ||
| Iranian Journal of Veterinary Research | ||
| مقاله 12، دوره 15، شماره 3 - شماره پیاپی 48، 2014، صفحه 262-265 اصل مقاله (97.28 K) | ||
| نوع مقاله: Full paper (Original article) | ||
| شناسه دیجیتال (DOI): 10.22099/ijvr.2014.2537 | ||
| نویسندگان | ||
| M. Yaghobi1؛ S. Dorafshan2؛ F. Paykan Heyrati* 2؛ N. Mahmoudi3 | ||
| 1MSc Student in Culture and Breeding of Aquatics, Department of Natural Resources, Isfahan University of Technology, Isfahan, Iran | ||
| 2Department of Natural Resources, Isfahan University of Technology, Isfahan, 84156-83111, Iran | ||
| 3Department of Fisheries, Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University, Noor, Mazandaran, Iran | ||
| چکیده | ||
| The effects of dietary nucleotide (NT) on growth performance and some haematological parameters of striped catfish (Pangasianodon hypophthalmus) were investigated. Different levels of the NT (0, 0.25, 0.5, 0.75, 1%) in the diet were used for 10 weeks starting on the fish weighted (1.52 ± 0.11 g). The results showed that NT supplementations did not improve final weight, weight gain, food conservation ratio as well as specific growth rates of striped catfish (P>0.05). Among all growth evaluated parameters, only the condition factor was significantly improved in fish fed on 0.75 and 1% of NT in comparison to control (P<0.05). There were no significant differences in hemoglobin, hematocrit, mean erythrocytic hemoglobin, mean erythrocytic volume, and mean erythrocytic hemoglobin concentration, white blood cell (WBC) counts and WBC/RBC ratio among fish fed on dietary nucleotide and control diet (P>0.05). However, some significant fluctuations were observed in the haematological parameters within groups of fish fed on different levels of NT (P<0.05). The results showed that feeding striped catfish with commercial NT had very limited effect on growth parameters and some haematological characteristics. | ||
| کلیدواژهها | ||
| Weight gain؛ Dietary component؛ Blood indices؛ Fresh water catfish | ||
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