نتایج جستجو برای: feed conversion rate

تعداد نتایج: 1110410  

Journal: :iranian journal of applied animal science 2013
a. nobakht

this experiment was conducted to evaluate the effects of different levels of dried lemon pulp (dlp) on performance, carcass traits, blood biochemical and immunity parameters of broilers. in this experiment 240 of broilers (ross-308) were used in a completely randomized design with 4 treatments and 3 replicates (with 20 birds in each replicate) from 1 to 42 days. experimental diets included: 1) ...

M. Nafisi Bahabadi, M. Soltani,

Growth, feed conversion ratio and fillet composition of rainbow trout (initial weight of 9.99±0.109)were investigated in a 6x2 factorial design experiment employing two levels of digestible energy (DE) (2900 and 3500kcal.kg-1) and six feeding rates (1.0%, 2.0%, 3.0%, 4.0%,5.0% of the body weight,(BW) day-1 and to satiation) for 60 days. Specific growth rate (SGR) was highest at 5.0% rati...

ژورنال: علوم آب و خاک 1997
مهرشاد, مهدی , پوررضا, جواد ,

Two experiments were designed and conducted to evaluate the effect of tallow and the nutritional value of millet and the effect of substituting millet for corn on the performance of laying hens. In the first experiment, the nitrogen corrected true metabolizable energy (TMEn) of tallow and millet was determined. Also the digestibility of dry matter (DM), protein, fat and crude fiber of millet wa...

2010
Yovita John Mallya Helgi Thorarensen

Commercial aquaculture is growing worldwide except in Africa where production is still low. With fisheries reaching a stagnating phase, the world and more so Africa will have to look to aquaculture in the future to provide fish products that will likely be needed. In view of this, a study on water quality management was done which specifically looked at the effects of dissolved oxygen saturatio...

M. Aktaruzzaman M.A. Baset M.N. Uddin, N. Zahan Shoshe N.K.D. Nath S.A. Belal,

Theexperiment was conducted to investigate the growth performance and feed conversion efficiency of crossbred heifer at different age level in Government Dairy Farm in Bogra, Bangladesh. Twelve female crossbred heifers were equally distributed (n=3) into four groups [Group A: (7±2 months), B: (12±2 months), C: (15±2 months) and D: (20±2 months)] according to age and fed concentrate mix, rice st...

This experiment was conducted to evaluate the effects of different levels of dried lemon pulp (DLP) on performance, carcass traits, blood biochemical and immunity parameters of broilers. In this experiment 240 of broilers (Ross-308) were used in a completely randomized design with 4 treatments and 3 replicates (with 20 birds in each replicate) from 1 to 42 days. Experimental diets included: 1) ...

مهرشاد, مهدی , پوررضا, جواد ,

Two experiments were designed and conducted to evaluate the effect of tallow and the nutritional value of millet and the effect of substituting millet for corn on the performance of laying hens. In the first experiment, the nitrogen corrected true metabolizable energy (TMEn) of tallow and millet was determined. Also the digestibility of dry matter (DM), protein, fat and crude fiber of millet wa...

Journal: :پژوهش های علوم دامی ایران 0
مهران مهری حسن نصیری مقدم حسن کرمانشاهی محسن دانش مسگران

two experiments were conducted to determine lysine (lys) requirements of two commercial strains, ross 308 and cobb 500, from 15 to 28d of age. basal diet was formulated to be adequate in all nutrients except for lys. incremental levels of supplemental lys were added to the basal diet generating six experimental treatments in a range from 0.60 to 1.20% digestible lys. birds were randomized acros...

Journal: :کشاورزی (منتشر نمی شود) 0
احمد افضل زاده دانشیار گروه علوم دامی، پردیس ابوریحان، دانشگاه تهران، پاکدشت داود قندی کارشناس ارشد، گروه علوم دامی، پردیس ابوریحان، دانشگاه تهران، پاکدشت علی اکبر خادم استادیار گروه علوم دامی، پردیس ابوریحان، دانشگاه تهران، پاکدشت عبدالرضا صالحی استادیار گروه علوم دامی، پردیس ابوریحان، دانشگاه تهران، پاکدشت

digestibility coefficient of whole cottonseed was determined by in vivo method and total collection feces. the whole cottonseed degradability was determined by nylon bag method. a number of 12 holstein bulls were used in a complete randomized design. the rations contained zero (control), seven, 14 and 21 percentages of whole cottonseed. during the experimental period, daily gain, dry matter int...

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