87 research outputs found

    DJELOVANJE MIJEŠANJA I RAZINE UKLJUČIVANJA SOJINOG ULJA I NJEGOVE ZAKISELJENE SAPUNASTE SMJESE NA REZULTATE BROJLERA

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    This study was conducted to investigate the effect of diets containing blends of soy oil and its acidulated soapstock on broiler performance. Six hundred 7–day-old Ross broiler chicks were assigned to factorial arrangement (2×5) with 2 levels of oil (3 , 6%) and 5 blends of soy oil and its soapstock (100:0, 75:25, 50:50, 25:75 and 0:100) with 4 replicates in a completely randomized design . The levels of inclusion of fat in diets had a significant effect on feed intake and feed conversion ratio(FCR), and birds fed diets containing 3% of fat had higher weight gain and better FCR (P<0.05). Weight gain and feed conversion ratio were significantly (P<0.05) affected by the blending ratio of soy oil and its acidulated soapstock. The soy oil: soapstock ratio of 0:100, in diet resulted in significantly lower weight gain, but there were not any significant differences between other blending ratios on weight gain and FCR. The interaction effects of fat levels× blending ratio of soy oil and its acidulated soapstock were significant on weight gain and FCR in the whole rearing period. The weight gain of birds receiving diets containing 6% of fat with the 0:100 (soy oil: soapstock) were significantly lower (P < 0.05) than those in the other treatments. It was concluded that the acidulated soy oil soapstock could be used as an energy source in broiler diets, and the soy oil replaced witht its soapstock by 75% in the whole rearing period.Ovaj je rad proveden radi istraživanja djelovanja obroka sa soijnim uljem i njegovom zakiseljenom sapunastom smjesom na rezultate brojlerskih pilića. Šest 7 dana starih brojlerskih pilića linije Ross svrstano je u faktorijalni red (2x5) s dvije količine ulja (3%,6%) i 5 mješavina sojinog ulja i njegove sapunaste smjese (100:0, 75:25, 50:50, 25:75 i 0:100) s 4 ponavljanja u potpuno slučajnom planu. Razine uključivanja masnoće u obroke imale su značajan učinak na uzimanje hrane i omjer konverzije hrane (FCR), te su pilići hranjeni obrocima s 3% masnoće imali veći prirast tjelesne mase i bolji FCR (P<0.05). Na prirast tjelesne mase i omjer konverzije hrane značajno je djelovao omjer miješanja sojinog ulja i njegove zakiseljene sapunaste smjese (P<0.05). Omjer sojino ulje: sapunasta smjesa od 0:100 u obrocima rezultirao je značajno nižim prirastom tjelesne mase ali nije bilo nikakve druge značajne razlike između drugih omjera miješanja na prirast tjelesne mase i na FCR. Djelovanje interakcije razine masti x omjer miješanja sojinog ulja i zakiseljene sapunaste smjese bilo je značajno na prirast tjelesne mase i FCR u čitavom razdoblju uzgoja. Prirast tjelesne mase pilića koji su dobivali obroke sa 6% masti s 0:100 (sojino ulje : sapunasta smjesa) bio je značajno niži (P<0,05) od prirasta pilića u drugim tretiranjima. Zaključuje se da bi se zakiseljena sapunasta smjesa sojinog ulja mogla upotrijebiti kao izvor energije u obrocima brojlera a sojino ulje nadomjestiti sa 75% sapunaste smjese u čitavom uzgojnom razdoblju

    Effects of copper reduction on angiogenesis-related factors in recurrent glioblastoma cases

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    Purpose: To evaluate the therapeutic effects of copper reduction on angiogenesis-related factors in patients with glioblastoma multiforme treated by gamma knife radiosurgery. Materials and Methods: In the present block randomized, placebo-controlled trial, fifty eligible patients with a diagnosis of glioblastoma multiforme who were candidates for gamma knife radiosurgery were randomly assigned into two groups to receive daily either 1gr penicillamine and a low copper diet or placebo for three months. The intervention started on the same day as gamma knife radiosurgery. Serum interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), vascular endothelial growth factor (VEGF) and copper levels were measured at baseline and after the intervention. The serum copper level was used as the final index of compliance with the diet. In order to control probable side effects of intervention, laboratory tests were conducted at the beginning, middle and end of the study. Results: The patients had a mean age and Karnofsky Performance Scale of 43.7 years and 75 respectively. Mean serum copper levels were significantly reduced in intervention group. Mean survival time was 18.5 months in intervention group vs. 14.9 in placebo group. VEGF and IL-6 levels in the intervention group were also significantly reduced compared to the placebo group and TNF-α increased less. Conclusions: It seems that reducing the level of copper in the diet and dosing with penicillamine leads to decline of angiogenesis-related factors such as VEGF, IL-6 and TNF-α. Approaches targeting angiogenesis may improve survival and can be used as a future therapeutic strategy

    The Iranian Integrated Care Electronic Health Record

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    E-health plays a crucial role in E-government by proposing healthcare services based on information technology. However, the way to administer these services by using E-health solutions is one of the challenging issues. One of these significant challenges is how one integrates heterogeneous healthcare information of the different point of care systems. This paper introduces the Iranian integrated care electronic health record using the information gathered from several point-of-care systems in healthcare enterprises in Iran. This service-oriented architecture has a remarkable characteristic - its accessibility to medical knowledge and medical concepts through archetypes and ontology, respectively. The Ministry of Health and Medical Education of the Islamic Republic of Iran has designed and implemented this national architecture

    Adaptation, growth and survival of tilapia (Oreochromis niloticus) in Bafgh brackish water

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    An experiment was conducted to evaluate the possibility of adaptation, growth and survival of Nile tilapia (Oreochromis niloticus) with 0.3g initial weight and red tilapia (Oreochromis sp.) with 0.7g initial weight in underground brackish water. Fry of Nile tilapia and red tilapia imported from Indonesia and after passing larviculture (25g) were examined separately in fiber glass tank by two replicate. Fish were fed at a restricted feeding program according to standard table during the light period. The results showed that some growth factors such as final weight, final length, daily growth rate, specific growth rate and weight gain in Nile tilapia were slightly higher than red tilapia but other factors such as survival and feed conversion rate in red tilapia were slightly higher than Nile tilapia. There were no significantly differences at 99% level among these factors. Length-weight relationship equation was w = 0.012×TL3.189 in Nile tilapia and w = 0.014×TL3.119 in red tilapia (r2 = 0.99), b value were 3.189 and 3.119 respectively in Nile and red tilapia representing isometric growth. According to the reliable growth and high survival rate (98%), it seems that both Nile and red tilapia could be good candidates for rearing in brackish water condition

    An investigation on all male production of nile tilapia (Oreochromis niloticus) under the condition of brackish water in Bafgh

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    This study was aimed to investigate the effects of different doses of two hormones and an anti-aromatase, i.e. 17a methyl testosterone (MT), methyl di hydrotestosterone (MDHT) or mestanolone and letozole in masculinization of Nile tilapia (Oreochromis niloticus) under the condition of brackish water in Bafgh station situated in Yazd province in center of Iran. Each experiment in this study was consisted of 5 treaments with 3 replicates each. A number of 1725 larvaes was distributed randomly among 15 replicates at the beginning of each experiment. Each experiment lasted 45 days and the larvaes were reared in aerated flow-through pots and fiberglass tanks filled with brackish water. The averages for temperature, salinity, pH and dissolved oxygen of water were 26.9 ê, 8 g/l, 7.6 and 5.78% respectively during this study. In experiment 1, three different doses of 40, 60 and 100 mg MT/k of feed were fed to different groups of 7 day post fertilization (dpf) larvaes for 45 days from the beginning of the experiment. The results showed that the larvaes in 40 mg group were 100 percent masculinized based on squash test performed at the end of the experiment but masculinization rates of those in 60 and 100 mg groups were 99.7 and 96.2 perecent respectively. Based on Dunkan test, total body length and weight averages measured in biometry 3 (at the end of the experiment) were not significantly different among groups but in biometry 2 (30 days after the beginning of experiment), they were significantly lesser only in 40 mg group (P<0.05). There was significant differences in survival rate of different groups of larvaes in this experiment based on chi-square test (χ=31.166, P<0.05) and the values in 40 and 100 mg groups (74.5 and 82.9% respectively) were lesser than those in 60 mg, control 1 and control 2 groups (84.3, 89.0 and 87.0 respectively). In experiment 2, masculinization rates of two different groups of larvaes immersed in 1800 µg MDHT/liter once in 10dpf and twice in 10 and 14dpf were 80.0 and 91.9 percent respectively. There were no significant differences in total body length and weight averages measured in biometry 2 between different groups but significant differences were observed in total body length only in biometry 3 (P<0.05) where the highest values occurred in experiment 1 and control 1 groups and the lowest one in experiment 2. Significant differences observed in survival rate of different groups of larvaes in this experiment based on chi-square test (χ=15.165, P<0.05) and the rates in experiment 1, control 2 and 3 groups (89.9, 86.4 and 89.9% respectively) were higher than those in experiment 2 and control 1 groups (82.0 and 82.3 respectively). In experiment 3, three different doses of anti-aromatse letrozole (200, 300 and 400 mg/k feed) were fed to different groups of 7 day post fertilization (dpf) larvaes for 45 days from the beginning of the experiment. The larvaes in 400 group .were all masculinized whereas the masculinization rates in 200 and 300 mg groups were 99.0 and 99.6% respectively. There were significant differences in total body length and weight averages measured in biometry 2 and 3 among groups in this experiment (P<0.05) where the highest and the lowest values occurred in control 2 and experime2 groups respectively. Based on chi-square, the survival rate of different groups was significantly different (χ=41.119, P<0.05) and the lowest rate occurred in experiment 2 group. No significant differences observed in gender ratios within all control groups in this study based on chi-square test. According to the findings acquired under the condition of brackish water at the present study, it would be potentially recommended to use MT and letrozole for the production of all male populations of Nile tilapia fish in order to provide fish farmers with no harmful environmental impacts on water sources in rivers and seas which occured due to the uncontroled breeding of tilapia. However, more research is needed to draw firm conclusions to use hormones and in especial anti-aromase letrozole because of the shortage of sufficient data in current references

    Biotechnics of live feed (Chironomidae) culture for using in feeding of cultured aquatics

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    Larvae of the chironomid midges (blood worms) are known as use full live food for cultured aquatics. There are endemic blood worms in sediments of the earthponds of Bafgh area at center of Iran. This study tended to identification of two chironomid species, Chironomus aprilinus Meigen, 1830 and Dicrotendipes sudanicus Freeman, 1959 & 1961, from Iran as a new record. Culture of blood worms was successful in glass thanks with 16h. Light, at 24-26°C temperature. Eggs were incubated after 14 days. Suitable concentration of harvesting is 1-2 egg masses (1250eggs/m2). Enrichment of earth ponds or plastic thanks including sedime is offered for culture of chironomid larvae. Collectors prepared with low cost materials are useful for collection of egg masses. May, June and July are the best time for egg collection. Large blood worms are mainly available in winter. Results of body analysis of the larvae indicated high dry matter with good quality

    An investigation on feasibility of introduction of tilapia to aquaculture industry of inland brackish waters at desert areas of Iran

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    Tilapia is the third most cultured fish in the world. Studies about tilapia were started in Iran from November 2008 for the first time. Immature black Nile tilapia, Oreochromis niloticus, and red hybrids were stocked in 6 cylindrical 3m3 fiberglass tanks from September 2009, for breeding. Samples were stocked in 27±0.5ºC water temperature, 11.5±0.5ppt salinity, 2500lux light/day (18h L: 6h D), sex ratio of 1:3 (male: female) at 5/m^3 density. Body weight and total length of spawned females were measured. Eggs were incubated in conical glass jars, after counting. Length of the large diameter and weight of 25 eggs were measured in the laboratory. Absolute and relative fecundity, spawning frequency of both black and red broodstocks, incubation period and hatching percent of the eggs were acquired. Power regression between body weight and total length of spawners, Pearson correlation coefficients of body weight and total length against absolute and relative fecundity, weight of egg clutch, length and weight of egg were obtained. Black and red spawners were compared for fecundity and egg quality, by t-student test (p<0.05). Spawning frequencies and optimum ranges of length, weight and age of spawning in black and red female tilapias were defined

    Evaluation of different levels of feeding and their effects on growth and FCR in grower rainbow trout in fiberglass tanks under the condition of brackish water in Bafgh station

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    The objective of this study was to evaluate 4 levels of feeding defined as 1.ad libitum to satiation, 2.Standard feeding (based on fish size and water temperature), 3.10% less than that of standard feeding and 4.10% more than that of standard feeding on growth, feed conversion rate (FCR) and carcass quality of rainbow trout (Oncorhynchus mykiss) reared in 12 aerated flow-through fiber glass tanks (2500l rearing volume, n=150 fish per tank, body weight average 45 g) comprised of 3 replicates under the condition of brackish water (salinity 8.4 g/l) in Bafgh Fisheries Research Station in center of Iran. The increase in average body weight (BW) and size of fish in different feeding groups was significantly different (P<0.01) during the experiment (101 days) and the highest average BW and size increase occurred in the group fed ad libitum to satiation. On the contrary, FCR (average ±SE: 1.27±0.09) in this group was statistically lower than that of the other groups (P<0.01). The chemical composition of carcass was significantly influenced by the level of feeding (P<0.01) and the percent of moisture, crude protein and ash was the lowest in the group fed ad libitum to satiation while the crude fat percent in this group was the highest of all. According to the results obtained in this study, an ad libitum feeding regime is suggested for rainbow trout production in fish culture systems of central desert regions in Iran under the condition of brackish water. However, further investigations are needed to draw firm conclusions, especially in earth pond cultures with different conditions, enriched in live food

    An investigation on possibility of nile tilapia (Oreochromis niloticus) feminization under the condition of brackish water in Bafgh

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    This study was aimed to investigate the effect of different doses of oral diethylstilbestrol (DES) on feminization of Nile tilapia (Oreochromis niloticus) larvae under the condition of brackish water in Bafgh fisheries research center. This Experiment was comprised of two control groups in two replicates and two experimental ones in three replicates. At the beginning of the trial, a number of 2150 larvae were randomly distributed among 10 replicates that were under treatment for 45 days. The diets in two control groups, i.e. non-treated, C1, and ethanol treated feed, C2, and the ones in two experimental groups, i.e. 200 and 400 mg DES/k of feed, E1 and E2, were administrated to 7 day post fertilization (dpf) larvae for a period of 35 days and then until day 45, the larvae were fed with ordinary feed. At the end of the trial, the gender ratio of larvae in different groups was determined by squash test in 50 randomly selected individuals from each replicate. The results showed no significant differences for gender ratios within control groups (respective male to female ratio in C1 and C2 was 47:53 and 57:43). However, the corresponding ratios within experimental ones, fed with 200 and 400 mg DES/k of feed respectively, was significantly different (P<0.05). Noteworthy that the percent of females between two experimental groups (E1 and E2) was not significantly different (70.0 and 64.7 respectively) but it was significantly different with ratios in experimental groups (P<0.05). The total body length and live body weight were determined at the begging and then at day 30 and 45, it was randomly measured in 20 larvae from each replicate. At the beginning of the experiment, the mean body weight and total length of larvae was 0.012 gram and 1.03 centimeter respectively. The respective averages at day 30 and 45 were significantly different among groups (P<0.05). Survival rate was significantly different among groups (P<0.05), being highest in E1 and E2 respectively whereas lowest in control ones (56.51 and 58.84 in C1 and C2 respectively)

    Environment impact assessment of tilapia (Tilapia Nilotica) farming project in brachish water of Bafgh

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    The aim of the present study is the environmental impact assessment of tilapia (Tilapia nilotica) farming project in brackish water of Bafgh, with goals to achieve localization of technology and knowledge of tilapia fish production, employment and the possibility to controlled development in other areas. Desired range, located in northwest of Daranjir desert (Inland Salt Water Fishes Research Station, Bafgh). Total area used for the project includes three indoor hall for breeding operation, nursery (juvenile breeding) and fattening. Besides these, three 3000 m 3 available earth ponds has been considered as a potential area breeding after setting apart the quarantine. In order to achieve sustainable development of breeding this fish, impact assessment of this project development in which both environmental and social - economic effects are considered, it seems essential and project will be accomplished more confidently. So, after considering the technical characteristics of the project, the immediate, direct and indirect impact area were determined and environmental aspects of area identified. Matrix methods was utilized for the environmental impact assessment. The most important operational activities, including greenhouse structures implementation and water conveyance facilities, including excavation and embankment, channel, piping, lining of channels and their accessories including inlet and outlet valves, concrete, stone, porcelain, walling up , roof, construction of drainage network and access roads. Based on investigation, accessibility of the region, compatibility with the other land uses, lack of monuments in the area, not covered with the sensitive habitats range, the lack of permanent river flow, low quality of underground water and end up underground water flows in downstream desert and evaporated which result in impossibility of escaping introduced fish from the farm and the use of existing spaces in the first half of the year to product lead to make fewer infrastructure costs and increase revenue, are the main criteria for the sustainable development of this species culture in the area. Considering the executed studies and results of the matrix assessment construction and operation phases, it was concluded that there is no considerable destructive impacts related to the project. Therefore due to the fact that 50% of means in rows and columns of the matrix were not less than -3.1 so, we proposed execution of it with rehabilitation plans. Therefore, some strategies and plans to consider reducing the negative effects and enhance positive effects of the project, including monitoring programs, were proposed
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