p. 1−10
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0.05).]]>
p. 31−36
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p. 37−44
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kidney> liver> full. Total mercury . The average concentration of mercury in the swallowtail was higher than that in the Stern hirundo, which had a negative effect on reproduction and behavior, and its value was 12/97 μg/g .]]>
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p. 169−176
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0.05). Measurements of growth parameters including: final weight, final length, velocity of weight, velocity of length, protein efficiency ratio, lipid efficiency ratio and feed conversion efficiency had a significant differences with control group (P<0.05). Maximum of carcass crude protein (66.61%) and minimum of crude lipid (17.89%) was shown in a biofloc system with inoculation of 0.2 ml/liter of liquid Celmanax. The protein and lipid efficiency ratio had a significantly increased in experimental prebiotic treatments (P<0.05). In conclusion, the result of these study indicated that the used of A-Max Ultra and liquid Celmanax prebiotics via inoculation into water system of common carp rearing in a biofloc system had a positive effects on water quality parameters, growth performance, feeding efficiency and carcasses composition in this species.]]>
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p. 189−194
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0.05). However, a significant increase in total mucus protein was observed in all treatments containing sodium alginate compared to the control group (P <0.05), and the highest total protein content of mucus was observed in 1% sodium alginate treatment (P <0.05), In general, the results of this study indicate that a diet containing low molecular weight sodium alginate with a significant increase in the total protein content of mucus stimulates and increases immunity in common carp.]]>
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0.05). Also, the highest feed conversion ratio was observed in the control group and the lowest was in treatment 2 but there was no significant difference between treatments (P> 0.05). According to the results, it seems that the use of padina algae with concentrations used in this study could improve the growth indices of common carp, although this improvement was had not significantly different.]]>
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0.05). Also, the results of some biochemical indices in serum showed that, except for calcium weighed 1600 grams of silver carp, weighed more than other groups (P <0.05), weight gain has no effect on glucose, urea, triglyceride, cholesterol, phosphorus, sodium, potassium, albumin and total protein (P> 0.05). The results of this study showed that changes in body weight of silver carp in a similar age did not affect the blood indexes.]]>
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0.05). The result of differential count of leukocyte showed significant difference in 96 hrs (p<0.05). And these two treatments showed significant difference in white Blood Cells (WBC) with control. The number of red blood cells (RBC) showed significant difference in 12 and 96 hrs. These two treatments have shown a significant difference in number of red blood cells. Total protein in 5 and 10 treatments showed significant difference with control. The level of cholesterol in 10 mg/L treatment showed significant difference with 5 and control treatments (p<0.05). The level of albumin and triglyceride showed significant difference at 3 treatments but level of glucose showed no significant difference (p>0.05). According to the results, blood parameters and biochemical factors are sensitive factors in monitoring the toxicity and the stress caused by zinc particularly in acute concentrations.]]>
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p. 251−260
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0.97. Estimation of growth parameters by using least squares regression analysis indicated that the growth of Banana shrimp in the protected area of Hara (Strait of Khuran) for females and males were CL= 42[ 1-e -1.7( t-0.798) ] and CL= 33[ 1-e -1.43( t-0.91) ], respectively.]]>
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p. 329−338
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0.05). Significant differences were observed for the temperature, salinity and pH factors between the different sampling seasons (p <0.05). In this study, 10 classes of zooplanktons were identified. The Copepoda accounted for 66.87% of the zooplankton population followed by Bivalves (7.53%), Thaliacea (6%), and Polychaeta, Cephalochordata, Ostracoda (2.22%). The minimum zooplankton density was observed in winter with an average of 876.52 ± 41.62 individuals per cubic meter of water and the maximum density in autumn with an average of 1339.93 ±41.16 individuals per cubic meter of water. Also, a significant positive correlation was observed between zooplankton density and temperature (r= 0.628, p = 0.0001) or salinity (r=0.391, p = 0.027). According to the results, the structure of zooplankton communities in this region seems to be influenced by the changes caused by monsoon winds and coastal currents. Thus the production cycle and seasonal fluctuations of zooplankton depend on the response the environment exhibit to these changes. As a result, when zooplankton are exposed to severe disturbance (monsoon), several species become dominant species and reduce species homogeneity.]]>
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0/05). According to the results of this study, the extract S. tenerrimum can be used as an antibacterial and antioxidant for food and medicine industry as well as cosmetics.]]>
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