نتایج جستجو برای: improved the feed conversion ratio p

تعداد نتایج: 16329990  

داور فروزنده, امیر , سمیع, عبدالحسین , قربانی, غلامرضا ,

The objectives of this study include the determination of the growth potential of Naeini lambs when fed with diets varying in energy and protein concentrations and also an investigation of the influence of level of energy and/or protein intake on carcass characteristics and composition. Ninety Naeini weather lambs (initial live weight 29.89 ± 2.9 kg) were used in a 92-day feeding experiment. An...

ژورنال: علوم آب و خاک 2001
زارع شحنه, احمد , ضمیری, محمدجواد, متاجی, رضا , مرادی شهربابک, محمد,

Effects of the β-adrenergic agonist metaproterenol were studied daily gain, carcass composition and feed consumption of Varamini female lambs were studied. Thirty lambs were randomly assigned to a randomized complete block design with three groups (treatments) and two blocks (live weight). The ration was similar for all groups (ME: 2.6 MCal/kg, CP: 14.9%) and lambs were fed ad libitum. Metapr...

Journal: :علوم دامی 0
حمید رضا همتی متین دانشکده کشاورزی، دانشگاه تربیت مدرس، تهران، ایران فرید شریعتمداری دانشکده کشاورزی، دانشگاه تربیت مدرس، تهران، ایران محمد امیر کریمی ترشیزی دانشکده کشاورزی، دانشگاه تربیت مدرس، تهران، ایران شعبان رحیمی دانشکده کشاورزی، دانشگاه تربیت مدرس، تهران، ایران

two experiments were conducted to investigate interactions of wheat bran, barley bran, or soybean hulls with sodium deoxycholate and cholesterol in broiler chickens. a completely randomize design was used with a 4×2 factorial arrangement and 256 one-day old broiler chickens (ross 308) with 8 experimental diets in 4 replicates of 8 birds per replicate for each experiment. factors for first exper...

Journal: :تولیدات دامی 0
مولا محمدی آرخلو دانش آموخته کارشناسی ارشد علوم دامی گرایش فیزیولوژی دام، گروه علوم دامی، دانشکده علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران آرمین توحیدی دانشیار گروه علوم دامی، دانشکده علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران حسین مروج مروج دانشیار گروه علوم دامی، دانشکده علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران احمد زارع شحنه استاد گروه علوم دامی، دانشکده علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران

the purpose of this study was to evaluate the effect of zilpaterol hydrochloride on the growth performance, carcass quality and blood parameters with128 male quails at 26 days of age were divided into four treatments which each treatment consists of four replicates of 8 birds. the birds received daily 0, 0.2, 0.225, or 0.25 mg/kg of live weight d−1zilpaterol. after three days of withdrawing zil...

Journal: :poultry science journal 2014
mahmoodi bardzardi m ghazanfari s sharifi sd

this experiment was conducted to determine the effects of myrtle essential oil (meo) on growth performance, carcass characteristics, antibody titer and blood parameters of broiler chickens. a total of 200 ross 308 broiler chickens were allocated to five dietary treatments with four replicates of 10 birds each. dietary treatments were prepared by formulating a corn-soybean meal-based diet free o...

Journal: :international journal of advanced biological and biomedical research 2014
vahid rezaeipour aliakbar pourkarim arabi masomeh norozi

objective: an experiment was conducted to investigate the effects of citrus brown snail powder as a source of calcium on growth performance, tibia characteristics, immune response and blood metabolites in broiler chickens.  methods: one hundred and eighty 1-day old chicks were randomly distributed into four treatments, each of which had three replicates. each replicate contains 15 chicks. the t...

            The aim of this study was to investigate the effect of different levels of soybean meal peptides on body weight gain, feed conversion ratio, feed intake intestinal morphology and microbial population in broiler chicks. In a completely randomized design 280 one-day-old Ross 308 male broiler chicks were allocated to 7 treatments with 4 replicates and 10 chicks per replicate. Broiler c...

Journal: :iranian journal of applied animal science 2015
m. fathi t. tanha m. daneshyar

the present study examined the antioxidant defense of glutamine on plasma and liver antioxidant status in broilers under phs with respect to changes in the levels of lipid peroxidation marker malondialdehyde (mda), total antioxidant status (tas) and the activities of anti peroxidative enzymes [superoxide dismutase (sod) and glutathione dependent antioxidant enzymes glutathione peroxidase (gpx)]...

حسینی, سیدمحمد, شلایی, مصیب,

This experiment was conducted to evaluate the effect of different levels of purslane seeds on the production performance, some egg characteristics and blood and yolk cholesterol and triglyceride levels, in different periods of laying hens. The experiment was done on hay-line strain (w36) from 32 to 42 weeks using a completely randomized design with 3 treatments, 4 replicate and 8 hens in each r...

This study was carried out to investigate the effects of in ovo feeding of L-carnitine and Satureja Khuzistanica extract on hatchability, post-hatch performance and carcass traits in broiler chickens. A total of 560 fertile eggs of Ross 308 strain (36-wk-old breeder flock) were assigned randomly to seven treatments with four replicates and 20 eggs per replicate. Treatments included control grou...

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