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0.05). percentage of estrus were 100, 75, 58.33 and 50 respectively. The highest percentage of estrus were observed in treatment 1 with a significant difference with others (p<0.05). parturition rate was 88.33, 88.88, 100 and 100 percentages respectively and this term in treatment 3 and 4 were higher than treatment 1 significantly (p<0.05). lambing rate were 130, 100, 128 and 120 percentages respectively. Twining rate were 30, 0.0, 28 and 20 percentages respectively. The lowest Lambing and twining rates refer to treatment 2 with a significant differ with other treatments (p<0.05). In conclusion, long time CIDR (12 days) and injection of PGF2α had better results in comparison to eCG hormone and pretreatment with CIDR for 7 days had no significant difference between PGF2α or eCG injection. Also injection of eCG after CIDR removal (7 days) compare to (12 days) caused an increase in efficiency of parturition rate, lambing rate and twining rate in Atabay ewes.]]>
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0.05). Results of the effects of sampling timeon population dispersion showed that there were no significant differences in the both detected species (p>0.05). Different morphometric characteristics were significantly affected by the site and time of sampling (P<0.01). Results also showed that the morphometric amounts characteristics of females were higher than males and differences were significant (p<0.05), the species was significantly affected the differences between different morphometric characteristics (p<0.05).]]>
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0.05), but there was a significant difference compared to treatment 1 (p <0.05). According to the results of this study, it can be concluded that feeding with decapsulated A.urmiana cyst significantly reduces the mortality rate of S.trutta caspius larvae.]]>
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0.05). In general, the results showed that the third treatment (5% fish oil and 5% canola oil) in the diet improved the growth indices, survival rate and condition factor (P<0.05).]]>
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0.05). In addition, different doses of iron nanoparticles had not significant effect on gut lactic acid bacteria of rainbow trout, but the total number of gut bacteria (total count) in treatment fed with 30 mg/kg iron nanoparticles was significantly lower than other treatments (P<0.05).]]>
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0.05). On the other hands, the most above factors were changed in only cadmium administrated groups compared to the control. Based on obtained results, it seems that pectin potentially can ameliorate the harmful effects of heavy metals. ]]>
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0.05), and only the Condition Factor (CF) parameter in D2 and D3 treatments was significantly different with the control group (P<0.05). Survival percent increased to 64% in D3 and 68% in D2 compared with 40% in the control group (P <0.05). Overall we concluded that the using of this probiotic in the diet of grey mullet could increase survival rates against Lactococcus garvieae bacteria.]]>
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0.05 ). Pearson correlation coefficient showed that there was a reverse correlation between Cd concentration in liver and muscle tissues and the standard length. The highest accumulation of mercury was observed in muscle tissue and the lowest was in brain tissue. The concentration of lead and cadmium in the target tissues were lower than the standard levels and the concentration of mercury was higher than the WHO1/FAO2 / NHMRC3 / MAFF (UK) 4 standard limits.Person analysis showed, heavy metal (lead, cadmium) in the muscle of "Neogobius melanostomus" was higher and mercury metal was lower than standard WHO1/FAO2 / NHMRC3 / MAFF (UK) 4.]]>
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0.05). After starvation period, Significant decrease in red blood cells counts were observed in fish fed on diet containing astaxanthin alone or in combination with ST (P<0.05). While starvation could significantly reduce WBC only in control fish (P<0.05). Generally, it could be concluded that using astaxanthin alone or in combination with ST as a bile salt in the diet of Blood parrot could not affect hematological parameters the fish after starvation.]]>
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0.05). Moreover the highest growth parameters (weight gain, better feed conversion ratio (FCR), growth rate and survival) was showed in P25 and the lowest in the control (P <0.05). The results showed that there were no significant differences in the expression of CTSL gene in change of carbon sources or dietary protein in the biofloc treatments (P> 0.05). It seems the biofloc technology with its positive effects on digestion and immunity provides the basis of increasing the CTSL gene expression in this species.]]>
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