propolis, a resinous substance collected by apis mellifera bees from various plant sources is transformed in the presence of bee enzymes. short- and long-term effects of diet supplementation with ethanol extract of iranian propolis (eeip) was investigated on growth and immunity in juvenile rainbow trout. the fish (mean body weight 30 ± 3.2 g) were fed a commercial diet supplemented with 0 (cont...

this experiment was conducted to evaluate the effects of salt stress on some agro-physiological traits in ten varieties of bread (triticum aestivum l.) and durum (triticum turgidum l.) wheats in seedling stage. a greenhouse experiment was carried out as a split plot experiment based on a completely randomized design with four replications in hydroponic condition. different agronomic and physiol...

mystus gulio is a euryhaline fish, occurring mostly in freshwater; it has also been found to thrive in backwaters of low salinity. it is a popular food fish due to its good taste and recently it has also been reported to be exported as indigenous ornamental fish from india. number of workers earlier has studied morphology, age, growth pattern, food and feeding habit and reproductive biology of ...

environmental pollution by heavy metals is a growing global concern. most heavy metals accumulate in the top soil and in the long term, increased concentrations in the soil results in increased absorption and accumulation in plants. the usual concentration of cadmium in the soil is 0.001-2.4 mg/kg of dry soil. the level of absorption and accumulation in plants depends on the type of plant, tiss...

forty eight 8-month-old male goats were divided into three groups. in each group, eight goats were feedrestricted for 45, 60 or 75 days, and eight goats served as the control. restricted groups were fed with a maintenance ration, and the control goats were fed with a ration supporting 50 g of daily weight gain. at the end of restriction period, the restricted goats were offered the same ration ...

this study describes length-weight relationships of five species (platycephalus indicus, pseudorhombus elevates, plicofollis tenuispinis, grammoplites suppositus, pomadays stridens) collected from persian gulf (khuzestan province, iran) during december 2009 to november 2011. a total of 2065 specimen were examined for this study. the relationship between weight and total length were estimated: w...

contemporary architecture by symbolic and visual design creates an image in the minds of tourists so that these images are then converted to urban brands. combining symbolic monuments and modern buildings in the world today is a promising development of cities in many municipalities, municipalities and government agencies to freely and without regard to the needs of their local employs all the ...

background & aim: the aim of this study was to assess the antifungal effect of the watercress extract on the growth of fusarium solani, the causal agent of potato dry rot. experimental:  this research was done in a completely randomized design with three concentrations and four replicates on potato dextrose agar (pda) culture medium. results: results of this study indicated that all conce...

one may find out the application‎ ‎of mathematics in the areas of ecology‎, ‎biology‎, ‎environmental‎ ‎sciences etc‎. ‎mathematics is particulary used in the problem of‎ ‎predator-prey known as lotka-volterra predator-prey equations.‎ ‎indeed‎, ‎differential equations is employed very much in many areas‎ ‎of other sciences‎. ‎however‎, ‎most of natural problems involve some‎ ‎unknown functions...

effects of fe and trichoderma harzianum bi strain on plant growth and development of spathiphyllum were investigated. experiments were carried out in an glasshouse and in pots filled with soil, perlite and coco peat (1:1:1) were used as the growing medium. plant roots (seedlings with three leaves) were inoculated with trichoderma (0 and 8% w/w) as media mixture. fe spray (0, 0.75, 1.5, 3 g/l), ...