p. 1−8
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0.5) of blood parameters NEFA, BHBA and BUN was not observed. As for the daily gain and final weight, though the weight gain was observed as different during the period, the end of period weight of the grooms had no significant difference. Thus, through a fifty day limitation resulting in less feed consumption and low quality of the feed during the limited days, the group had a higher economic performance.]]>
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0.05). At 24 h after storage in 4°C sperm viability in the 1.5% soy lecithin-containing extender was higher than those exposed to the 0.5% soy lecithin-containing extender. At 6, 24 and 48 h after storage in 4°C the percent of sperms with abnormal morphology was lower in 1.5% soy lecithin-containing extender than other soy lecithin-contained extenders or egg yolk-contained extenders(P<0.05). Therefore, 1.5% soy lecithin-containing extender is a proper extender for storage goat semen at 4°C. ]]>
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0.05). Studying different tissues in bioindicator specimens can demonstrate the changing trend of pollutant concentration in aquatic systems. In summary, the elemental analysis of toe clipped bone samples have several advantages: found significant correlation between mean concentration of metals in water and toe bone, there is no need to kill the animals, the analytical procedure has a small chemical reagent demand, and only a small amount of tissue is sufficient to make several kinds of laboratory.
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Fe> Cu> Cd. Significant differences were between the iron and zinc in muscle, gills, skin and gonads (p <0.05). As well as significant zinc in muscle and gonad (p <0.05). But in the skin and gonad was not significant (p> 0.05). Cadmium also significant in muscle and gill but no significant difference in muscle and gonad. Metals values obtained showed compared to international standards WHO, FAO UK., the average concentration of zinc in the skin and gonad tissue proved to be higher than standard UK (MAFF) and FAO. The average concentration of cadmium in all tissues proved to be higher than international standards.]]>
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0.05). There was also no interaction between protein and energy levels in the growth related parameters, suggesting the effect of protein on the growth parameters in Caspian brown trout did not depend on energy levels of diet. In conclusion diet containing 50% protein can support the maximum growth. High dietary energy level of the diet dose in cooperate in protein sparing effect.]]>
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0.05). During the test floating pellets extruded and pressed pellet was completely submerged. Extruded pellet stability in water than compressed pellets and extruded pellets and pressed carp solubility in less than two types of trout pellets, but in neither case was no significant difference (P> 0.05). Water holding capacity (WHC) in the investigation of extruded and pressed statistically significant difference was observed (P <0.05) and extruded pellets in the water holding capacity was higher but not statistically significant difference in the diet of trout and carp (P> 0.05 ). Finally, it can be concluded that most of the pellets compressed extruded pellet durability, and this type of platform is more advantageous for use in fish feed.]]>
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0.05). Higher value of red blood cell, white blood cell and hemoglobin was observed in the Aloe vera bathing fishes but control fish was lowest among treatments. Histopathologic results showed hyperplasia in primary and secondary gill filaments, shortening the gill filaments and secondary gill base swelling in fish fed diet 5% of Aloe vera. Also hyperemia was observed in Aloe vera bath treatment. Generally it seems that, Aloe vera bath treatment had the better influence on recovery of tissue and blood factors improvement.]]>
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0.05). Metabolic response (protein, glucose, lactate and cortisol) was significantly different between experimental treatments at the time 0 and 45 minutes (p< 0.05). The both time, metabolic parameters increase in the eyestalk ablation treatment and was reduced injection treatment.]]>
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