نتایج جستجو برای: old male ross broiler chicks were assigned to a completely randomized design with five dietary treatments and four replicates the experimental treatments were 1 control group diet without feed additive

تعداد نتایج: 25236794  

Journal: :تولیدات دامی 0
زهرا امیری قنات سامان کارشناس ارشد، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه جیرفت، جیرفت، ایران امید علی اسماعیلی پور استادیار گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه جیرفت، جیرفت، ایران روح اله میرمحمودی استادیار گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه جیرفت، جیرفت، ایران مژگان مظهری استادیار گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه جیرفت، جیرفت، ایران

this study was conducted to investigate the effect of mentha piperita (pp) and melissa officinalis (mp)powder on performance, apparent digestibility of fat and protein and blood parametersof broiler chicks subjected to heat stress. 200-day-old male ross broiler chicks were assigned to a completely randomized design with five dietary treatments and four replicates. the experimental treatments we...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده علوم انسانی 1391

abstract the following study, in the first place, attempted to examine the effect of less experienced teachers participation in experienced teachers classes on their own skills and teaching methodology, in the second place, attempted to find out the role of teachers training in students achievements. for this purpose, 21 efl teachers were selected according to available sampling in kish l...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1381

‏‎this study investigated the effect of prior knowledge on the listening comprehension performance of fl learners. twenty students, male and female, drawn from the two intact groups of the senior and junior english language and literature majors were chosen as the participants of this study . the two groups were then randomly assigned into the experimental and control group. the experimental gr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1392

the purpose of the present study was to investigate the effect of instruction through debate on male and female efl learners’ reading comprehension, to examine the differences between the performance of male and female participants on the five dimensions of cctst including analysis, evaluation, inference, deductive reasoning, and inductive reasoning, and to examine the differences between male ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور مرکز - دانشکده زبانهای خارجی 1391

the primary goal of the current project was to examine the effect of three different treatments, namely, models with explicit instruction, models with implicit instruction, and models alone on differences between the three groups of subjects in the use of the elements of argument structures in terms of toulmins (2003) model (i.e., claim, data, counterargument claim, counterargument data, rebutt...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده ادبیات، زبانهای خارجی و تاریخ 1389

abstract the main purpose of this study was to investigate whether there was any significant difference between the speaking achievement of learners who were trained by means of consciousness raising of sociolinguistic skills and that of learners who were trained without the above mentioned task. the participants of this study consist of 60 intermediate level students participating languag...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده علوم انسانی 1391

the present study was conducted to investigate the effect of implicit focus on form through input flooding and the effect of noticing, explicit focus on form on linguistic accuracy. to fulfill the purpose of the study, 86 iranian pre-intermediate efl learners of one of the language institutes were chosen by means of administering ket as the homogeneity test. these learners were pretested throug...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

the present research study attempted to find out the extent to which two pre-task activities of “glossary of unknown vocabulary items” and “content related support” assisted efl language learners with their performance on listening comprehension questions across two different proficiency levels (low and high). data for this study were obtained from a total of 120 language learners, female and m...

M. Mehrabadi R. Jamshidi,

This experiment was conducted to determine the effects of replacing corn by 20% barley supplementedwith probiotic, prebiotic and antibiotic on performance, immune response, intestinal morphology, carcass development and nutrient digestibility of broilers. Four hundred Ross 308 one day-old broiler chicks were assigned randomly to 5 dietary treatments and were tested for 42 days in a com...

Journal: :تولیدات دامی 0
حسن شیرزادی دانشجوی دکتری گروه پرورش و تولید طیور، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس فرید شریعتمداری استاد گروه پرورش و تولید طیور، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس محمد امیر کریمی ترشیزی استادیار گروه پرورش و تولید طیور، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس شعبان رحیمی استاد گروه پرورش و تولید طیور، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس علی اکبر مسعودی استادیار گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس

a study was carried out to evaluate the effects of r. coriaria l. and p. farcta extracts as alternatives to antibiotic growth promoters in broilers diet. a total of 300 one-day-old male ross 308 chicks were randomly allocated to four dietary treatments (five pen replicates, 15 birds per pen) for the 0- to 28-d period, and all data were analyzed in a randomized complete design. dietary treatment...

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