نتایج جستجو برای: growth and survival
تعداد نتایج: 16967108 فیلتر نتایج به سال:
Identification of the appropriate dose for mutagen material is the most important step in setting experiment and creating mutant genetic material. According to a definition the most appropriate dose of mutagen is a dose that causing a reduction of 50% survival or 30% growth, compared to control. The aim of this study was to evaluate the effect of different doses of gamma radiation (0 as a contr...
ingestion and inhalation of phosphine are 2 forms of toxicity and their clinical manifestation is extremely wide. a 22-year-old girl was admitted with complaints of nausea, vomiting and epigastric pain after eating lunch. she had a history of celiac disease. on arrival, she was alert and hemodynamically stable. there was not any abdominal tenderness or guarding. food poisoning treatment initiat...
A killifish species Aphanius ginaonis occurs in Geno hot spring is one of the unique fish species that could successfully survive and acclimated to the high temperature of hot springs. In this study, we investigated the effects of Geno's cyanobacteria extracts on growth, survival and morphology of gill tissue in Aphanius dispar exposed to normal temperature and long-term thermal stress. For thi...
Recently, the nutritional requirements of marine finfish larvae have received considerable attention, and studies have shown that docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) and arachidonic acid (ARA) affects the growth and survival of marine finfish larvae. This study investigated the effects of different Artemia enrichments containing variable amounts of DHA and EPA on the gro...
the main purpose of this study was to investigate any relationship between high school efl teachers metaphorical understandings of their role in class and their self-efficacy beliefs. teachers metaphors were elicited through two different prompts: one picturing what they believed a language teacher should be like in class, and the other demonstrating what they are actually like in class; such...
this study was performed to compare the biomar nutritional diet, shrimp, bloodworms on growth parameters, survival and blood parameter of juvenile aquarium joel (hemichromis bimaculatus). the experiment treatments consisted of blood worms, dried shrimp and control treatment that were biomar food. daily feeding was performed 4 times in a day to satiation and breeding fish took place over 8 weeks...
With regard to the importance of polychaete Perinereis nuntia in diet of shrimp broodstock, achieving its breeding and culture bio technique is an important goal in shrimp industry. For this purpose, usage of diets inducing the highest growth and the lowest mortality is of importance. The effect of four different dietary treatments including commercial shrimp diet- Biomar, Lansy shrimp diet con...
brine shrimp artemia, is a small crustacean which is found naturally in salt lakes and lagoons. sofar several bisexual and parthenogenetic artemia populations have been reported which have different phenotypic and genotypic characters. the biological properties of some populations has not been studied yet. regarding that the populations of turkey have not been characterized so far, in present s...
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