نتایج جستجو برای: feed conversion ratio and serum total protein were determined at day 45 results the results showed that aflatoxin significantly decreased feed intake

تعداد نتایج: 21600936  

Journal: Poultry Science Journal 2015
Asadi GH Ganji F Jafari Ahangari Y Khodadust MR Samadi F,

In order to investigate the effects of peppermint (Mentha piperita L.) alcoholic extract on liver injury caused by the oxidant carbon tetrachloride (CCl4), an experiment was performed as a completely randomized design in a factorial arrangement (2 × 2) with 4 replications of 10 broilers each. Factors included two levels of peppermint leaf alcoholic extract (0 and 2 mL/Kg body weight) and CCl4 (...

ژورنال: علوم آب و خاک 2008
برکتین, محمدرضا, تبعیدیان, سید علی , پوررضا, جواد , روغنی, ابراهیم , سمیع, عبدالحسین,

This experiment was conducted to determinate the effects of different levels of Amet protein binder (0, 1.5, 3, 4.5 and 6) in substitution for fish meal on performance and digestibility of nutrients. This study used 400 broiler chickens (Ross strain) with 5 treatments of 4 replications in a completely randomized design. Weight gain, feed consumption, and feed conversion ratio were determined at...

Journal: :علوم دامی 0
علی اصغر ساکی استاد، دانشگاه بوعلی سینا همدان مجتبی حقیقت دانشجوی دکتری، دانشگاه بوعلی سینا همدان

a study was conducted to evaluate the effects of blood pressure medications on index of liver damage in ascites incidence in broilers. a completely randomized experimental design with a 2×3 factorial arrangement (sex and feed additive), with 3 replicates of 12 birds, with 216 (108 male and 108 female) one-day-old (ross 308) was applied. feed additive includes control (without feed additive) lev...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده ادبیات و علوم انسانی 1391

why some learners are willing to communicate in english, concurrently others are not, has been an intensive investigation in l2 education. willingness to communicate (wtc) proposed as initiating to communicate while given a choice has recently played a crucial role in l2 learning. it was hypothesized that wtc would be associated with language learning orientations (llos) as well as social suppo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1393

this study aimed at examining the effects of iranian efl learners’ anxiety, ambiguity tolerance, and gender on their preferences for corrective feedback (cf, henceforth). the effects were sought with regard to the necessity, frequency, and timing of cf, types of errors that need to be treated, types of cf, and choice of correctors. seventy-five iranian efl students, twenty-eight males and forty...

امیر عطا مقدمیان, , فرید شریعتمداری, ,

The purpose of this research was to evaluate the effect of early life nutrient restriction and subsequent intermittent lighting schedule on performance in broiler. In a factorial experiment, the effect of three levels of feeding regimes and two levels of lighting schedule were investigated using 480 day-old male Hubbard chicks. The broiler chickens were randomly distributed over two rooms consi...

Journal: :poultry science journal 2015
rezaeipour v valizadeh a abdullahpour r sadeghi ar

the objective of this study was to investigate the effects of three levels of threonine (100, 95 and 90% of nrc requirements) with or without of multi strains probiotic (primalac) on performance, carcass characteristics and blood metabolites of japanese quails. a total of 180 one-day-old male japanese quails were randomly allocated to six treatments with three replicates and 10 birds per each. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

Journal: :پژوهش های علوم دامی ایران 0
علی رضا حسابی نامقی محمد رضا بیرجندی اصغر محمد‍‍ پور

introduction under commercial conditions broiler are feed restricted during rearing to limit growth rate. this quantitative restriction of feed intake aims at avoiding rapid growth and high body weights, which are associated with pathological conditions, such as ascites, lameness, and mortality. feed restriction (fr) in breeder layer hens was rarely and fr used for poor reproductive results and...

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 ...

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