نتایج جستجو برای: feeding performance

تعداد نتایج: 1151507  

Journal: :تحقیقات دامپزشکی 0
شعبان رحیمی گروه پرورش و تولید طیور، دانشگاه تربیت مدرس شیما تشرفی دانش آموخته دانشکده کشاورزی، دانشگاه تربیت مدرس سید محمد مهدی کیایی گروه بهداشت و تغذیه دام و طیور، دانشگاه تهران

effect of early- feeding of broiler chicks immediately after hatch with gel or granule, on performance, the relative weight of yolk sac, liver, proventricolus, gizzard and the relative weight of weight and length of small intestine were investigated. analyzing the data by using sas statistical program including complete randomly design and duncan test, showed that post hatch feeding of gel, cou...

Journal: :journal of crop protection 2015
hedi yazdanfar mehrdad ghodskhah daryaei jalal jalali sendi hamed ghobari

feeding performance of the green oak leaf roller, tortrix viridana (linnaeus) was determined on three host plants including quercus libani oliv, quercus infectoria oliv, and quercus branti lindl, under laboratory conditions. mean total leaf weight consumed by larvae was the highest on q. branti (0.31 g) and the lowest on q. libani (0.14 g).the feeding index was the highest on q. libani while th...

Journal: :تولیدات دامی 0
کامران اکبری پابندی کارشناس ارشد، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه زنجان، زنجان حمیدرضا میرزایی الموتی استادیار، گروه علوم دامی، دانشکدۀ کشاورزی دانشگاه زنجان، زنجان

this experiment was conducted to investigate the effect of feeding frequency and oil supplementation to the diet on performance and feeding behavior of lactating dairy cows. twenty four lactating holstein cows, 12 primiparous, (bw= 626±58 kg and dim= 195±44 day) and 12 multiparous, (bw= 617±25 kg and dim= 207±39 day) were randomly assigned to four diets contained 2.5 percent supplemental oil or...

Journal: :Journal of Dairy Science 2001

Journal: :شیلات 0
لیلا کوچکی . کارشناس ارشد، گروه شیلات، دانشکدة منابع طبیعی دریا، دانشگاه علوم و فنون دریایی محمد ذاکری . استادیار گروه شیلات، دانشکدة منابع طبیعی دریا، دانشگاه علوم و فنون دریایی خرمشهر. سید محمد موسوی . استادیار گروه شیلات، دانشکدة منابع طبیعی دریا، دانشگاه علوم و فنون دریایی خرمشهر. وحید یاوری . دانشیار گروه شیلات، دانشکدة منابع طبیعی دریا، دانشگاه علوم و فنون دریایی خرمشهر پریتا کوچنین . دانشیار گروه شیلات، دانشکدة منابع طبیعی دریا، دانشگاه علوم و فنون دریایی خرمشهر

the effect of feeding frequency on growth performance, feed consumption and body biochemical composition of acipenser ruthenus juveniles was investigated. the trial was performed using 150 fish with a mean initial weight of 50±1 g randomly introduced in fifteen tanks. fishes were fed at a feeding frequency of twice daily (t1), three times a day (t2), four times a day (t3), five times a day (t4)...

شکوری, میرداریوش, ملک زاده, محمد,

This experiment was conducted to evaluate the effect of barley cultivars and their feeding form on performance, jejunal digesta viscosity, nutrients digestibility and blood parameters of broiler chickens. A total of 512 day-old chicks (Ross 308), as mixed sex, were assigned to experimental treatments using a completely randomized design with factorial arrangement (4×2) for a period of 42 days. ...

Journal: :iranian journal of applied animal science 2011
o. dayani r. tahmasb a. khezr a.r. sabetpay

this study was conducted to evaluate the effect of feeding treated wheat straw with urea and whey on fattening lambs performance. about 4.5 kg urea and 1.5 kg salt were dissolved in 40 l water and mixed with 30 l of whey. the solution was spread over 100 kg chopped wheat straw. thirty two male lambs were randomly divided into four feeding groups to compare performance with diets based on barley...

2001
J. H. Clark I. R. Ipharraguerre

To date, genetically enhanced plants in the marketplace that are used as feeds for livestock are based on producing insecticidal compounds or developing herbicide tolerance. Corn grain, whole plant green chop corn, corn silage, corn residue, soybeans, and soybean meal from the current genetically enhanced plants have been fed to chickens, sheep, beef cattle, and dairy cows and compared with fee...

Journal: :پژوهش های علوم دامی ایران 0
بهروز دستار محمود شمس شرق سعید زره داران حسین محب الدینی

an experiment was conducted to evaluate the effect of feed restriction (fr) and meal feeding (mf) on performance, carcass characteristics and related parameters to ascites in ross 308 male broiler chickens. five dietary treatments were 1) the control (ad libo. feeding), 2 )feed restriction from 7 to 14 days (fr14), 3) feed restriction from 7 to 21 days (fr21), 4) meal feeding from 7 to 14 days ...

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