p. 1−6
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0.05), but the results in terms of nutritional indicators (FCR) and hematological factor showed significant differences among treatments (P<0.05). The results of this study show that chitosan in level 2 gr can be promote white blood cell and the level of 1 gr can be effective in improving feed conversion ratio on Caspian kutum fingerlings. ]]>
p. 41−50
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0.05).There is also no significant difference between RBC, HCT and HGB in experimental groups (P>0.05). In addition, there were significant differences between biochemical parameters in fish fed with dietary caraway compared with control treatment (P<0.05). The highest levels of glucose and cholesterol were observed in control treatment and the highest level of total protein was observed in diet containing 1 % CSM. The results of this study show that addition of caraway to fish diet can promote growth and improve fish health. ]]>
p. 105−112
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0.05). It seems that the presence and abundance of Ephemeropterans and Trichopterans nymphs as intermediate hosts of Rhabdochona denudata and feeding rate of them can be role in the rate of infection, So that, the most parasitic infection associated with the highest frequency of Ephmeropterans in environment and gut sand goby was observed in the Shirabad Stream.]]>
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p. 131−138
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Zn>Cu>Pb>Ni. Also, it was found that the metal accumulation amount of Pb, Ni, and Cu in the muscle tissue, which is the edible tissue, is higher than the limits set by global standards like WHO, FDA, FEPA, and NHMRC. Also, Zn concentration was higher than all of the mentioned standards except NHMRC which most certainly threatens the fish and human health.]]>
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p. 163−172
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0.05). In relative of growth indices, the amount of Protein Efficiency Ratio (PER), Body Weight Index (BWI), Food Efficiency (FE) and Growth Rate (GR) between treatment groups were increased in comparison with the control group but, not significantly (P>0.05), but the amount of Specific Growth Rate (SGR) at the treatment with 0.2 percent in comparison with the control group showed the significant difference (p<0.05). In the end, we can conclude that it seems that 0.5% of broccoli in the diet can have a better effecton hematological, biochemical parameters and growth indices and increase the growth, immune system and health of the fish.]]>
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0.05). Serum glucose levels in control treatment (73.04±1.40mg/dl) was significantly lower than other treatments by serological investigation (p<0.05) but no significantly difference in serum calcium Ionic factor between treatments (p>0.05). Serum total protein in fish fed cortisol were significantly lower than the control group (p<0.05). The results of this study showed that oral administration of cortisol can increase blood glucose as an energy source for the mechanisms of osmotic in the common carp fingerling.]]>
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0/05). The highest specific growth rate and the lowest rate of obesity were found in the salinity of 20 ppt and 30 ppt, respectively. The highest percentage survival and the survival of juveniles was observed at salinity of 10 ppt. Survival rate of fish in fresh water was same with the salinity of 20 ppt that is suitable salinity for Scott Fish in the environment. During the examination period, the photograph was taken from the tissues of kidney and gill by light microscope. After counting the gill chloride cells and of kidney it was clear that with the reduction of salinity, chloride cells of gills decrease and of kidney were increased )P<0/05).]]>
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p. 287−293
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