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Karimzadeh, S, Mohamad Jafary, A, keramat amirkoalie, abdolsamad. (1399). The effects of dietary nucleotide type (Hilyses and Augic15 ) on growth performance and salinity resistance of kutum, Rutilus kutum (Kamensky, 1901) fingerlings. سامانه مدیریت نشریات علمی, 19(3), 1140-1152. doi: 10.22092/ijfs.2019.119743.
S Karimzadeh; A Mohamad Jafary; abdolsamad keramat amirkoalie. "The effects of dietary nucleotide type (Hilyses and Augic15 ) on growth performance and salinity resistance of kutum, Rutilus kutum (Kamensky, 1901) fingerlings". سامانه مدیریت نشریات علمی, 19, 3, 1399, 1140-1152. doi: 10.22092/ijfs.2019.119743.
Karimzadeh, S, Mohamad Jafary, A, keramat amirkoalie, abdolsamad. (1399). 'The effects of dietary nucleotide type (Hilyses and Augic15 ) on growth performance and salinity resistance of kutum, Rutilus kutum (Kamensky, 1901) fingerlings', سامانه مدیریت نشریات علمی, 19(3), pp. 1140-1152. doi: 10.22092/ijfs.2019.119743.
Karimzadeh, S, Mohamad Jafary, A, keramat amirkoalie, abdolsamad. The effects of dietary nucleotide type (Hilyses and Augic15 ) on growth performance and salinity resistance of kutum, Rutilus kutum (Kamensky, 1901) fingerlings. سامانه مدیریت نشریات علمی, 1399; 19(3): 1140-1152. doi: 10.22092/ijfs.2019.119743.

The effects of dietary nucleotide type (Hilyses and Augic15 ) on growth performance and salinity resistance of kutum, Rutilus kutum (Kamensky, 1901) fingerlings

Iranian Journal of Fisheries Sciences
مقاله 215، دوره 19، شماره 3، مرداد 2020، صفحه 1140-1152    اصل مقاله (332.57 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22092/ijfs.2019.119743.
نویسندگان
S Karimzadeh1؛ A Mohamad Jafary1؛ abdolsamad keramat amirkoalie* 2
1Department of Animal Sciences, Roudaki Higher Education Institute, Tonekabon, Mazandaran, Iran
2Sari Agricultural and Natural resources university
چکیده
The aim of this research was to evaluate the effects of dietary nucleotides on performance, immune system and salinity resistance of kutum fingerlingsduring migration to the sea. Five experimental diets were prepared by addition of Hilyses (0.75 and 1.5%) and/or Augic15 (0.3 and 0.6%) to a control diet. After eight weeks adding nucleotide diets, fish were exposed to saline water for 48h. Supplementation of both nucleotide sources improved fish growth parameters (p<0.05). Fish mortality was also decreased by the additives in both fresh and sea water. Glucose and cortisol levels significantly decreased with the administration of both nucleotide sources (62 to 69 versus 75 mg dL-1 for glucose and 6 to 8.5 versus 9.8 mg dL-1 for cortisol (p<0.05). Supplementation of Hilyses and /or Augic15 increased lysozyme activity in the blood (p<0.05) and maximum activity has observed in fish fed at high doses of Hilyses and Augic15diets. In conclusion, an improved performance of R. kutum fingerlings fed on or with both nucleotide sources may suggest that kutum fingerlings require a larger dietary nucleotide at early life stage to control stress related parameters such as cortisol and glucose.
کلیدواژه‌ها
Kutum؛ Saline water؛ Stress resistance؛ Growth؛ Fingerling؛ Glucose؛ Cortisol
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