abstract this study aimed at investigating the possible relationship between self-assessment in writing and self-regulation of iranian efl learners. the main purpose of the study was not only to report and inform about this relationship, but also to investigate and find practical outcomes of the incorporation of self-assessment in writing, such as improving writing skill. the research was carr...

two groups of students were assigned as experimental and control ones, and were given instruction on directed reading-thinking activities and after some treatment, they were post-tested. although the initial pre-test did not show any significant differences, the final post-test result revealed that the cooperative reading comprehension helped the experimental group. the cooperative students’...

This experiment was conducted to investigate the effect of ginger and nettle powders and their mixture in comparison with antibiotic growth promoter in a completely randomized design with 5 treatments, 4 replicates and 8 chicks per replicate in commercial broilers. The experimental treatments were:1) control (with no additive); 2) basal diet with 0.04% tetracycline antibiotic growth promoter (5...

Nowadays silver nanoparticles are being considered as an alternative to antibiotics. Silver is one of the most important elements in nanotechnology due to extensive antibacterial activity. The aim of present experiment was to evaluate the effect of silver nanoparticles coated on zeolite and organic acids on performance, intestinal morphology, gastrointestinal microbial population and carcass ch...

   This study was conducted to determine the effects of Bitter Orange blossom powder (BOBP) on growth performance, carcass characteristics and some blood parameters in broiler chickens under heat stress condition. A total of 200 one day-old male broiler chicks (Ross 308) randomly were divided into five treatment groups in a completely randomized design with four replicates of 10 birds each. The...