نتایج جستجو برای: old male ross broiler chicks were assigned to a completely randomized design with five dietary treatments and four replicates the experimental treatments were 1 control group diet without feed additive
تعداد نتایج: 25236794 فیلتر نتایج به سال:
The effects of hydrochloric and butyric acids supplementation to broiler chicken diets were investigated on performance, apparent protein digestibility, intestinal microbial population, carcass characteristics and intestinal histology. In these experiments, 280 male Ross 308 one-day old chicks were assigned to 7 treatments. Each treatment included 4 replicates of 10 chicks. Data were anal...
this study was conducted to evaluate the bioavailability of nano and micro sources of manganese in broiler chickens. two hundred and eight, 10-d-old male ross 308 broilers in a completely randomized design with 13 treatments, 4 replications and 4 chicks per replicate were studied for 35 days. during the experimental period, a basal corn-soybean meal diet containing 20 ppm mn (control treatment)...
This study was designed to investigate the effects of different levels of Tarragon powder on performance and carcass’ characteristics of broiler chickens. 200 one-day-old Ross 308 male broiler chickens in a completely randomized design with 4 treatments and 5 replicates per treatment and 10 birds in each replicate were used. Experimental diets were set on the basis of corn-soy-wheat and Ross 30...
This study was designed to investigate the effects of different levels of Tarragon powder on performance and carcass’ characteristics of broiler chickens. 200 one-day-old Ross 308 male broiler chickens in a completely randomized design with 4 treatments and 5 replicates per treatment and 10 birds in each replicate were used. Experimental diets were set on the basis of corn-soy-wheat and Ross 30...
abstract the purpose of this study was to find out the effect of applying the principles of group-dynamic assessment (g-da) on learning of conditional structures in english by iranian efl learners at the intermediate level, which according to the formal educational system in iran, includes students who are in their second year of studying in high schools of koohdasht city. this study was a qua...
effect of levels of zinc supplementation on footpad lesions, reproductive and blood parameters of broiler breeders with 300 hens and 40 roosters of ross 308 strain with four treatments, five replicates and 15 hens and two roosters in each for 12 weeks was evaluated in a completely randomized design. dietary treatments were 80, 110, 140 and 170 mg zinc/kg diet. increasing supplemental zinc level...
This experiment was conducted to determine the effects of the oral consumption of guggulplant resin on the performance and humoral immunity response of broiler chicks. For doing this experiment, 320 one-day old chicks of the Cobb 500 strains, in a Completely randomized design with 4 treatments and 4 replicates were used. Experimental diets include: control diet (without the guggul), control die...
This experiment was conducted to determine the effects of the oral consumption of guggulplant resin on the performance and humoral immunity response of broiler chicks. For doing this experiment, 320 one-day old chicks of the Cobb 500 strains, in a Completely randomized design with 4 treatments and 4 replicates were used. Experimental diets include: control diet (without the guggul), control die...
this study was an attempt to investigate the effect of using c-test passages on the reading comprehension and incidental vocabulary learning of iranian intermediate efl learners. the participants were 60 male efl learners at kish mehr institute in garmsar. in fact, there were two groups, an experimental group and a comparison group with 30 students in each. the participants were pretested throu...
rested on sociocultural theory (sct), this study attempted to examine the effect of written corrective feedback (wcf) followed by producing written languaging on developing writing accuracy over new tasks. to this aim, two intact iranian efl classes at the low-intermediate level were randomly assigned to two experimental groups: direct (n = 25) and indirect (n = 25). both groups wrote on a numb...
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