نتایج جستجو برای: intestine morphology and immune system of female ross broiler chicks in this experiment

تعداد نتایج: 26117678  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1391

abstract this study set out to compare the effect of modality of presentation (subtitled vs. auditory) in the comprehension of verbal content of documentary films among iranian efl students. to this end, (30 male 30 female) students were chosen from two schools. after their homogeneity was established, the students attended the listening sessions to watch five documentary films over t...

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...

Abedin Heidarizadi, Farhad Rostami Kamran Taherpour Karim Ranjbar Seyyed Gholamreza Mousavi

This study was conducted to compare the effects of diets Borage Powder and control (no additives diets) on broiler’s average blood cell counts and immune system on the broiler chicks. Sixty four male broiler chicks (Ross 308) randomly allocated into one of two treatments with four replicates of eight chickens based on a completely randomized block design.  Diets were include control (no additiv...

پایان نامه :0 1391

employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده ادبیات، زبانهای خارجی و تاریخ 1389

recent years have witnessed an increased attention to form focused instruction and consciousness raising activities (ellis, 2002; doughty & williams, 1998) on the one hand and extensive and meaningful exposure to the target language (klapper & rees, 2003; day & bamford, 1998) on the other. due to significance attributed to above mentioned issues by scholars, this study attempted to bridge them ...

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده علوم پایه 1392

in this thesis,spin dependend transport and electron transport through of ng/sg(graphene/ superconductor graphen) are studied in the junction of ng/fgt/sg. due to andreev reflection conductance increases in the presence of superconductor graphene.also, by applying a voltage gate on a superconductor, fermi level shifts and the conductance is independent of ferromagnatic substrate. also, the cond...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید مدنی آذربایجان - دانشکده ادبیات و زبانهای خارجی 1389

according to coates’s (2004, as cited in zhang, 2010) definition of "conversational dominance" (p.111), it refers to the phenomenon of a speaker dominating others in interaction. specifically, it means how a speaker makes use of certain strategies to get the floor and maintain the floor. thus, the amount of talk is the main measurement for the dominance of the conversation. whether a speaker do...

Journal: :دامپزشکی 0
زبیده هاشم زاده دانشجوی دکترای تخصصی دانشگاه تربیت مدرس محمد امیر کریمی ترشیزی عضو هیأت علمی دانشگاه تربیت مدرس شعبان رحیمی عضو هیأت علمی دانشگاه تربیت مدرس

the effects of various routes of probiotic administration on performance, small intestine morphology and serum cholesterol of broiler chickens, were studied. we assigned 225 day old chicks (ross 308) to five experimental groups including control and four hatchery administration methods comprised of in ovo injection, oral gavage, spray application and cloacal inoculation. all of these were chall...

Journal: :علوم دامی ایران 0
مریم آببند دانش آموخته کارشناسی ارشد محمد سالار معینی دانشیار دانشگاه باهنرکرمان

this experiment was performed to investigate the effects of propolis and chromium picolinate on performance and immune response of broiler chicken under heat stress conditions. treatments included different levels of propolis (500, 1000, and 1500 mg/kg) and chromium picolinate (1500 µg/ kg) along with a control group. a completely randomized design was taken into account with 4 replicates of 10...

Journal: :نشریه تحقیق در علوم کشاورزی 0

ashkan kavyani1, ahmad zare shahne1, javad pourreza1, sayed mohammad ali jalali haji-abadi1, mohsen nikkhah2, nasir landy 3*  1- department of animal science, shahrekord branch, islamic azad university, shahrekord, iran 2 -department of animal science, faculty of agriculture, university of guilan, iran 3-young researchers and elite club, khorasgan branch, islamic azad university, isfahan, iran ...

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