نتایج جستجو برای: old male broiler chicks ross 308 were allocated to 6 treatment groups
تعداد نتایج: 11497489 فیلتر نتایج به سال:
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 is conducted to find out the effect of gradual increase lighting intensity and its on productive performance broilers. In this study, 224 one-day-old Ross 308 broiler chicks were randomly distributed into 4 treatments with Replicates for each treatment i.e. The Of Experiment: T1 program according guide ROSS company (Control Treatment), T2 a every 20 minutes, T3 40 T4 Lighting 60 minu...
the aims of this study were the comparative study of probiotic, acidifier,antibiotic growth promoters and prebiotic on activity of humoral immune and performance parameters of broiler chickens.500 one day old male broilers (308 ross strain) were divided into 5 groups: a, b, c, d and e. each group with equal numbers of male included 4 replicates (25 chicks per replicate). group a was as control ...
an experiment was conducted using 640 day-old sexed commercial broiler chicks (ross 308 strain) from 10 to 49 days of age. the experimental design was a completely randomized factorial one. the experimental units (pens) contained 20 chicks each and were allotted at random to 4 dietary treatments × two sexes with 4 replicates per treatment. four dietary treatments were formulated based on corn a...
In order to evaluate effect of dietary garlic powder or fresh ground garlic on performance and immune response of broiler chickens, 240 male one-day-old broiler chicks (ROSS 308) were used in a completely randomized design with six treatments of four replicates each. Six is ocaloric and is onitrogenous dietary treatments were prepared as follow: 1) basal diet (control), 2) basal diet + 10 ...
the present study aimed to investigate the possible effects of focused highlighted error feedback on grammatical accuracy of writing among iranian intermediate efl learners. after selecting 52 homogenous participants from among 70 university students attending azad university of rasht and randomly dividing them into two intact groups of 26 students, the researcher exposed the participants of th...
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...
The competency of garlic and pennywort to improve broiler chicken growth and influence intestinal microbial communities and fatty acid composition of breast meat were studied. Two hundred forty, "day-old" chicks were randomly allocated to 4 treatment groups consisting of 6 replications of 10 chicks in each pen. The groups were assigned to receive treatment diets as follows: i) basal diet (contr...
This experiment was conducted to compare the effects of Roxarsone (Rox) and Bacitracin methylen disalicylat (BMD) on the performance of broiler chicks. A control corn-soybean meal diet without growth promoter was formulated according to NRC (1994) recommendation for starter (0-21d) and grower (22-42d) periods. The control diet was also supplemented with Rox (50 mg/kg diet ) BMD (55 mg/kg diet) ...
Problem statement: An experiment was conducted to study the effect of microbial phytase supplementation and citric acid on thyroid activity, relative weight of lymphoid organs and pH values of some GI-tract segments in broiler chickens fed corn-soybean meal based diets. Approach: The data was analyzed using a Randomized Complete Block Design (RCBD) with factorial arrangement of 3×3, three level...
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