in order to study the effects of various levels of protein in diet based on total and digestible amino acids on performance and carcass traits of broilers, an experiment was conducted as a completely randomized design with 288 broiler chicks from cobb 500 strain in 6 treatments, each treatment consist of 3 replicates with 16 chicks per replicate. treatments were the diets as follow: 1) diet for...

ABSTRACT- This study was designed to investigate the effects of adding different levels of date presscakes (DP), with and without enzyme supplementation (ES), on the ileal digestibility and growth performance of broiler. A completely randomized design containing 2 × 5 factorial arrangement of treatments (with and without enzyme supplementation and 5 levels of DP) was used. The enzyme complex co...

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...

an experiment was conducted to study the effects of soybean, linseed and sunflower oil (various sources of fatty acids) with and without l-carnitine supplements (0 and 50 mg kg-1) on performance, blood biochemical parameters and carcass traits of japanese quail. one hundred and ninety-two of 7-day old female japanese quail were randomly assigned to 6 dietary treatments with 4 replicates and fed...

in this research the effects of different levels of oily and aqueous extracts of chamomile flower on biochemical characteristics and quality of breast meat were examined. using 400 broiler chicken (cup 500) in to 5 treatments, with 4 replicates and 20 chickens per replicate chicken were daily treated with 85 and 128 mg per kg body weight aqueous extracts, and 14 and 21 mg per kg body weight of ...

a study was conducted to evaluate the effects of blood pressure medications on index of liver damage in ascites incidence in broilers. a completely randomized experimental design with a 2×3 factorial arrangement (sex and feed additive), with 3 replicates of 12 birds, with 216 (108 male and 108 female) one-day-old (ross 308) was applied. feed additive includes control (without feed additive) lev...

This study was conducted to investigate the effects of L-carnitine and different levels of animal fat on performance, carcass characteristics and some blood parameters of broiler chickens. Two hundred one-day old male broiler chicks were allotted to5 treatments in 4 replicates and 10 birds in each replicate. Dietary treatments consisted of: 1) diet with 5% vegetable oil (T1), 2) diet with 5% ve...

Abstract The current study aimed to evaluate the effect of adding different levels milk thistle Silybum marianum cereal powder ration on productive and physiological performance laying hens. experiment was performed from age 49 weeks 64 hens age. A total 81 were randomly distributed three treatments each treatment with replicates nine birds in replicate. experimental as following : Treatment 1 ...