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Growth efficiency and physiological state of broiler chickens as affected by dietary supplementation with different levels of dry corn stillageThis study was aimed to investigate the impact of dietary supplementation with 5, 10 and 15% of dry corn stillage on growth characteristics and the physiological state of broiler chickens. Totally 128 one day old of broiler chickens of Arbor Acres cross were used in this experiment. The mortality rate of chickens in the treated groups for 42 days of the growing period did not differ from the control. At the age of 42 days, the live body weight of chickens in the treated groups was higher than the control by 8-15%. The relative weight of carcass in those was higher (4.5-5.9%) than the control (P<0.05). Body weight gain of broiler chickens in treated groups 1 and 2 was more by 9-16% than the control one over the whole period. Feed intake in the first treated group was greater than the control one by 4.72%, but in the second and third treated groups was less control by 4.4% and 6.0%, respectively. Feed cost per 1 kg of body weight gain of the treated groups decreased, compared with the control by 9.6-13.9%. The total serum protein increased in the first and second treated groups (by 18.7% and 14.1%, respectively) compared with the control one. The total serum cholesterol of broiler chickens in the treated groups was higher than the control one by 14.1-30.3%. Thus, the addition of dry corn stillage to broiler chicken diets in the amount of 5, 10, 15% has a positive effect on their growth, feed efficiency and biochemical metabolic parameters.
Keywords: Broiler chickens, dry corn stillage, live body weight, growth, feed efficiency, physiological state
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- Mohamed Abdelhameed Salah Abdelhameed, PhD student, Federal State Budgetary Educational Institution of Higher Education Astrakhan State University.
- Lozovskiy Alexander Robertovich, Dr. Sc., associate professor, Federal State Budgetary Educational Institution of Higher Education Astrakhan State University.