نتایج جستجو برای: experimental treatments significantly affected percent of milk protein

تعداد نتایج: 21338670  

Journal: :پژوهش های علوم دامی ایران 0
عطیه رحیمی عباسعلی ناصریان رضا ولی زاده عبدالمنصور طهماسبی علیرضا شهدادی

the aim of this study was to evaluate the effects of feeding pistachio hull (ph) as a source of tannin and polyethylene glycol (peg) supplementation on feed intake, nutrients digestibility, milk yield and compositions, blood lipid metabolits and milk fatty acids profile in saanen dairy goats. nine maltiparus saanen dairy goats were used in a 3 × 3 replicated latin square design with 21-d period...

Journal: :علوم دامی 0
سعید خلج زاده دانشگاه آزاد اسلامی واحد ساوه، گروه علوم دامی، ساوه، ایران

the aim of this study was to estimate genetic parameters of age at first calving and its relationship with productive traits of holstein dairy cows. a total of 24491 first lactation records (2x 305d) which were collected from 1995 to 2009 were used. the general linear model (glm) procedure was applied to determine effective factors on studied traits. herd-year-season (hys) and age at first calv...

K. Shirzadegan, M. A. Jafari

The objective of this study was to determine the effect of different levels of sesame wastes (SW) on performance, milk composition and blood metabolites in lactating dairy cows. In this order, eight multiparous Holstein dairy cows were used in a replicated 4×4 Latin square design in four periods of 21 days. Treatments were control (no Sesame meal supplementat...

K. Shirzadegan, M. A. Jafari

The objective of this study was to determine the effect of different levels of sesame wastes (SW) on performance, milk composition and blood metabolites in lactating dairy cows. In this order, eight multiparous Holstein dairy cows were used in a replicated 4×4 Latin square design in four periods of 21 days. Treatments were control (no Sesame meal supplementat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - پژوهشکده ادبیات 1392

abstract the aim of the present study is to explore the impact of the cognitive reading strategy instruction on learners reading self-efficacy and their reading achievement. in order to fulfill this purpose, from 120 participants, 90 intermediate efl learners as an experimental group were chosen from three different educational settings namely, yazd university, yazd science and art un...

Journal: :علوم دامی ایران 0
علی خلج هدایتی دانشجوی سابق کارشناسی ارشد علوم دامی دانشگاه زنجان حمید امانلو عضو هیئت علمی دانشگاه زنجان علی نیکخواه استاد پردیس کشاورزی و منابع طبیعی دانشگاه تهران - کرج طاهره امیرآبادی دانشجوی سابق کارشناسی ارشد علوم دامی دانشگاه زنجان نجمه اسلامیان فارسونی دانشجوی سابق کارشناسی ارشد علوم دامی دانشگاه زنجان

to compare the nutritional value of rapeseed meal and cottonseed meal in holstein cows, feeding 20 lactating holstein cows each with an average weight of 580± 34 kg and 100± 10 days in milk were studied in a randomized complete block design. the experimental diets consisted of 4 levels of 0, 8, 14 and 25 percent rapeseed meal replaced with cottonseed meal and barley grain in the diets. diets we...

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

this thesis attempts to measure learning styles, self efficacy and intrinsic motivation as predictors of iranian ielts reading comprehension. in order to address this issue, a quantitative study was conducted on some randomly selected intact students at ferdowsi university. these two groups were assigned as they were undergraduate (ba=91) and graduate (ma =74) students; they were all aged betwe...

Journal: :تولیدات دامی 0
سید سعید موسوی محقق بخش تحقیقات علوم دامی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان زنجان، زنجان – ایران حمید امانلو استاد گروه علوم دامی، دانشکده کشاورزی، دانشگاه زنجان، زنجان - ایران علی نیکخواه استاد گروه علوم دامی، دانشکده مهندسی علوم زراعی و دامی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج - ایران حمید رضا میرزایی الموتی استادیار گروه علوم دامی، دانشکده کشاورزی، دانشگاه زنجان، زنجان - ایران علی مصطفی تهرانی استادیار بخش تحقیقات تغذیه و فیزیولوژی، مؤسسه تحقیقات علوم دامی کشور، کرج - ایران

the aim of this study was to investigate the effects of different metabolizable protein levels in diet during the peri parturition on performance and blood parameters of afshari ewes and lambs. thirty two once lambing ewes in the last six weeks of pregnancy and the first six weeks of lactation with diets before and after parturition containing rates of nrc recommended and 20% higher one as low ...

خرمی, بهزاد, دانش مسگران, محسن, وکیلی, سید علیرضا,

  The objective of this research was to evaluate the effects of monensin (MON), thyme (THY) and cinnamon (CIN) essential oils on dry matter and crud protein degradability characteristics of cottonseed meal, barley grain and corn silage, nutrient digestibility, and some plasma metabolites in Holstein steers (540 ± 35 kg initial BW) fed high-concentrate diets. Four rumen fistulated Holstein steer...

Journal: :پژوهش های علوم دامی ایران 0
احمد حسن آبادی موسی حسینی فهیمه علیپور

an experiment was conducted to evaluate the effects of dietary crude protein (cp) and lysine levels on performance and nitrogen excretion in broiler chickens. four hundred twenty 7-day old chickens from ross 308 strain were randomly allotted to 6 dietary treatments with 5 replicates of 14 chicks each (7 male and 7 female chicks). the cp levels were 17, 18, and 20 percent and lysine levels were ...

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