نتایج جستجو برای: 1 specific growth rate μd
تعداد نتایج: 4671303 فیلتر نتایج به سال:
The present study was conducted to determine the effect of saffron petal powder on the growth and activity of antioxidant enzymes in the grass carp larva (Ctenopharyngodon idella). Fish larva (0.75 ± 0.03 g and 4.39± 0.09 cm) were fed separately with four levels of saffron petal powder diets which were included; P0 (0%), P1 (2%), P2 (4%) and P3 (6%) for 60 days. One thousand two hundred fish we...
It is known that zeolite, tested in animal feeds in recent years, has a positive effect on fish growth and many physiological parameters. For this purpose, rainbow trout (Oncorhynchus mykiss) was fed with feeds containing zeolite at different rates (1%, 3%, and 5%) for three months in the present study. Fish growth parameters (live weight gain, specific growth rate, feed conversion rate, condit...
black tea sample was dried by a vibro-fluidized bed dryer to find its aerodynamic behavior and thermal performance during drying. the drying experiments were conducted at three different inlet air temperatures of 100, 115 and 130°c and fluidization condition at five vibration intensity levels of 0 (no vibration), 0.063, 0.189, 0.395 and 1.184. the results showed that bed channeling and defluidi...
the stoichiometric parameter namely “yield coefficient” associated with growth of certain organism can be determined by direct measurement and/or calculated indirectly. the focus of this paper was on the anoxic yield of heterotrophic organisms using ethanol as an external carbon source during the denitrification process. in the literature, it was observed that yield coefficients can vary for th...
In Vivo, after administration of treatment, concentrations of antimicrobial agents will reduce to sub-inhibitory levels (sub-MIC) and may therefore affect the properties of target bacteria. The purpose of the present study was to investigate the in vitro effect of sub-minimum inhibitory concentrations (sub-MIC) of ampicillin, gentamicin and nalidixin acid on morphology, growth, ammonium produc...
This study investigated Nutritional effects of Aloe vera extract on growth performance, survival rate and lactic acid bacterial of intestine in freshwater sturgeon (Acipenser baerii). This fish has the ability to hold in large aquarium environments. In this study a total of 360 numbers of Siberian sturgeon weighted average10.95 ± 0.04(g) randomly distributed in four treatments including a contr...
We propose a general method to obtain the representation of solutions for linear fractional order differential equations based on the theory of (a, k)-regularized families of operators. We illustrate the method in case of the fractional order differential equation D t u ′(t) + μD t u(t) = Au(t) + t−α Γ(1− α) (u′(0) + μu(0)) + f(t), t > 0, 0 < α ≤ 1, where A is an unbounded closed operator defin...
One of the major issues in aquaculture is to keep balance between growth rate of fish and optimal use of consumed food. L-carnitine is considered an effective food supplement for fish growth. Sobaity seabream is one of the commercially important species in the Persian Gulf that is highly considered in aquaculture too. Growth indices and survival rate of 240 Sobaity fingerlings with mean weight ...
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