the present experiment was undertaken to study the effect of different dosages of β-glucan on the growth, survival and physiological responses in juvenile striped catfish ( pangasianodon hypophthalmus ). over nine weeks of feeding fish with a diet containing 0, 0.5, 1 and 2% β-glucan (as control, g1, g2 and g3 group, respectively), some blood parameters such as serum lysozyme activity, total pr...

background : necessity of evaluating heat stress in the workplace, require validation of indices and selection optimal index. the present study aimed to assess the precision and validity of some heat stress indices and select the optimum index for using in heavy work activities in hot and dry climates. methods: it carried out on 184 workers from 40 brick kilns workshops in the city of qom, cent...

in most semiarid and arid areas, fresh water shortage compels managers to use low quality water sources with high salinity to irrigate turf and landscape. recent research has noticed that management of nitrogen fertilization can alleviate salinity effects on plants. this greenhouse sand culture experiment was conducted in order to investigate morphological and physiological responses to salinit...

cadmium (cd), being a highly toxic metal pollutant of soils, it inhibits root and shoot growth and yield production, affects nutrient uptake and homeostasis. it is frequently accumulated by agriculturally important crops and then enters the food chain with a significant potential to impair animals and human’s health. therefore, a study was conducted to evaluate the effects of various cd levels ...

background: surgery is an important stressor, which causes some harmful physiological responses such as increased breath and heart rate and blood pressure. the aim of this study was to investigate the effects of music on the anxiety and some physiological responses of patients before general surgery. methods: a clinical trial study designed and 60 patients who were scheduled to undergo general ...

introduction: the objective of this study was to examine the influence of sahour meal on exercise performance, and physiological responses to a 10km time-trial (10ktt) at two different times of the day during ramadan. method: three well-trained muslim runners participated (age, 25±0.8years; maximal oxygen uptake, 54.87±3.45 ml.kg-1.min-1; body weight, 52.4±1.99 kg; height, 162.7±3.55 cm).  subj...

Introduction: Sleep deprivation is one of the factors affecting the physiological performance of athletes and laboratory evidence has suggested a link between sleep deprivation and decreased physical performance of athletes. The aim of this study was to determine the effect of sleep deprivation on objective and subjective physiological responses of student-athletes. Material and Methods: The r...

Background: Invasive procedures could change the physiological responses of neonates. The present study aimed to evaluate the effect of the sound of the Holy Quran on the physiological responses and pain caused by heel stick blood sampling in neonates. Methods: This three-stage, two-group, clinical trial was conducted on 72 hospitalized term neonates at the neonatal intensive care unit (NICU) ...