Abstract
This study was conducted at the poultry farm Animal Production Department, Abu Ghraib , College of Agricultural Engineering Sciences, University of Baghdad, during theperiod from 10/31/2020 to 12/11/2020. to study the effect of adding two different levels of artichoke leaves extracts powder to the diet and for different periods to rations on the productive performance of broiler chickens.One hundred thirty five unsexedcommercial hybrid broiler chicks (Ross 308), oneday old, 42.47 g/ its initial body weightwere used in this experiment, The birds were randomly distributed among three treatments, each treatment contained 45 birds, with three replicates, and each replicate contained 15 birds. The chicks of the first treatment (T1) were fed a standard diet for broilers free of addition, while the chicks of the T2 and T3 treatment were fed a standard diet for broilers in addition to the artichoke leaves extract powder at a levels 0.5 and 1 g/kg diet respectively. The results obtainedindicated that adding artichoke leaves extract powder at two different levels to broiler diets led to a significant (P<0.05) superiority (P<0.05) for treatment T2 and T3 in the productive performance of body weight rates compared to the control treatment. In the average cumulative weight gain 1-6 week compared to the control treatment (T1), the T3 treatment also recorded a significant (P<0.05)increase superiority (P<0.05) in the amount of cumulative feed consumption and feed conversion factor compared to the treatment T1, T2, In conclusion, the resultsindicate that supplementing artichoke leaves extractpowder to the diet showed a ssignificantin Improving in the productiveperformance of broiler.
Highlights
The tremendous progress towards intensive commercial production of poultry, and as a result of the increase in population numbers and the increase in demand for consumption of broilers, international companies specialized in the poultry industry began to produce new breeds of broilers characterized by high productivity specifications and a rapid growth rate and the accompanying high metabolic rate, which makes it more susceptible to the formation of free radicals, recent research focused on adding natural antioxidants as an essential factor in poultry nutrition for its role in removing free radicals and improving production performance, maintaining high growth levels and increasing immunity for broilers[21,20]
(9,3).It is one of the most important natural antioxidants and anti-inflammatory to eliminate free radicals caused by oxidative stress, It works to against cancer[19], and is useful in cure atherosclerosis[13],and it lowers cholesterol in the blood and cures diabetes[2], and has functional properties to protect the liver from toxins [8,9].The artichoke acts as a prebiotic to increase the number and activity of beneficial bacteria and reduce the number of harmful bacteria[24].In view of the lack of research and studies that show the role of adding artichoke leaves extract powder (CynaraScolymus L) to broiler diets, the present study was conducted
Department,College of Agricultural Engineering Sciences, University of Baghdad -Abu Ghraib location, for the period from 10/31/2020 to 12/12/2020 (42 days), 135broiler chicks were distributed (Ross 308)unsexed, one day age, starting weight 42.47 g/chick,The chicks were randomly distributed into three treatments, with three replicates, each replicate containing 15chicks.The nutritional treatments have been divided as follows: control treatment T1, treatment T2 and T3, adding artichoke leaves extract powder at a levels 0.5 and 1 g/kg feed, and feed and water were provided free during the experiment of time
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