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
علی اکبر سالاری دانشجوی کارشناسی ارشد، گروه علوم دامی، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران احمد حسن آبادی استاد، گروه علوم دامی، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران حسن نصیری مقدم استاد، گروه علوم دامی، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران غلامعلی کلیدری دانشیار، دانشکده دامپزشکی، دانشگاه فردوسی مشهد، مشهد، ایران

the aim of this experiment was to study the effects of hydrochloric and butyric acids addition to broiler diets on performance, carcass characteristics, intestinal microbial population and intestinal histology. two hundred eighty ross 308 one-day old female broiler chicks were assigned to 7 dietary treatments and 4 replicates of 10 chicks in a completely randomized design. experimental treatmen...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم بهزیستی و توانبخشی - دانشکده توانبخشی 1393

abstract objectives gradual increase length and complexity of utterance (gilcu) therapy method is a form of operant conditioning. this type of treatment is very precise and controlled that is done in 54 steps in 3 speech situations consisted of monologue, reading and conversation. this study aimed to examine the effects of gilcu treatment method on reduction of speech dysfluency of school-age...

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

the effect of learning strategies on the speaking ability of iranian students in the context of language institutes abstract language learning strategies are of the most important factors that help language learners to learn a foreign language and how they can deal with the four language skills specifically speaking skill effectively. acknowledging the great impact of learning strategies...

هرکی نژاد, محمدطاهر, طاهری, حمیدرضا , کاکه باوه, محمد ,

  An experiment was conducted to investigate the effect of probiotic, prebiotic and synbiotic on performance and Lactobacillus population in broiler chickens . Six hundred and thirty 1-d-old broiler chicks were used in a completely randomized design with 7 treatments and 6 replicates of 15 birds per replicate. Dietary treatments were 1) basal diet ( control diet without supplemental additives) ...

Journal: :تحقیقات دامپزشکی 0
سیامک سیاه پور گروه پرورش و تولید طیور،دانشگاه تربیت مدرس محمد امیر کریمی ترشیزی گروه پرورش و تولید طیور،دانشگاه تربیت مدرس فرید شریعتمداری گروه پرورش و تولید طیور،دانشگاه تربیت مدرس فریدون نیک نفس واحد تحقیق و توسعه شرکت زربال

poultry requirments for vitamins and minerals are met from two sources feed ingredients and premixes.in practical poultry nutrition, the role of feed ingredients is over looked. this experiment was conducted to evaluate the effects of the time of vitamin and mineral premixes withdrawal on growth and economic performance of broilers. four hundred and fifty, one day-old male broiler chickens (ros...

Journal: :علوم دامی ایران 0
مجتبی زاغری ساره بوربور منصور رضائی اسدالله تیموری یانسری محمد ریاحی

an experiment was conducted using 640 day-old sexed commercial broiler chicks (ross 308 strain) from 10 to 49 days of age. the experimental design was a completely randomized factorial one. the experimental units (pens) contained 20 chicks each and were allotted at random to 4 dietary treatments × two sexes with 4 replicates per treatment. four dietary treatments were formulated based on corn a...

A. Salajegheh M. Afsharmanesh M. H. Salajegheh M. Salarmoini

The aim of the current study was to evaluate the effects of lavender (Lavandula angustifolia) powder as an herbal feed additive on growth performance, carcass traits, meat quality, jejunal histomorphology, and ileal microbial population in broiler chickens. A total of two hundred twenty one day-old male broiler chicks were used in a completely randomized design with five treatments and four rep...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

this study was conducted to investigate the impact of podcasts as a learning and teaching tool on iranian efl learners’ motivation for listening as well as on their listening comprehension ability. the study also investigated the learners’ perception towards listening to podcasts and examined whether the learners were likely to accept podcasts. out of fifty-five intermediate learners studying e...

A 42 days experiment was carried out to evaluate the effects of dried Centella asiatica leaf meal (CSP) as an herbal feed additive on the growth performance, haematology and serum biochemistry of broiler chicken. A total of 200 Ross 308 day old broiler chicks of mixed sex was divided into four (4) treatment groups of fifty (50) birds, each group was further divided into five replicates each of ...

A 42 days experiment was carried out to evaluate the effects of dried Centella asiatica leaf meal (CSP) as an herbal feed additive on the growth performance, haematology and serum biochemistry of broiler chicken. A total of 200 Ross 308 day old broiler chicks of mixed sex was divided into four (4) treatment groups of fifty (50) birds, each group was further divided into five replicates each of ...

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