Articles | Volume 65, issue 1
https://doi.org/10.5194/aab-65-21-2022
https://doi.org/10.5194/aab-65-21-2022
Review
 | 
21 Jan 2022
Review |  | 21 Jan 2022

Dietary strategies to alleviate high-stocking-density-induced stress in broiler chickens – a comprehensive review

Sugiharto Sugiharto

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Cited articles

Abd El-Hack, M. E., Abdelnour, S. A., Taha, A. E., Khafaga, A. F., Arif, M., Ayasan, T., Swelum, A. A., Abukhalil, M. H., Alkahtani, S., Aleya, L., and Abdel-Daim, M. M.: Herbs as thermoregulatory agents in poultry: An overview, Sci. Total Environ., 703, 134399, https://doi.org/10.1016/j.scitotenv.2019.134399, 2020. 
Abudabos, A. M., Samara, E. M., Hussein, E. O. S., Al-Ghadi, M. Q., and Al-Atiyat, R. M.: Impacts of stocking density on the performance and welfare of broiler chickens, Ital. J. Anim. Sci., 12, e11, https://doi.org/10.4081/ijas.2013.e11, 2013. 
Adebiyi, O. A.: Tocopherol supplementation on stocking density of broiler: effect on performance characteristics and serum enzymes, Trop. Subtrop. Agroecosyt., 14, 623–628, 2011. 
Adeyemo, G. O., Fashola, O. O., and Ademulegun, T. I.: Effect of stocking density on the performance, carcass yield and meat composition of broiler chickens, Biotechnol. J., 14, 1–7, 2016. 
Alagawany, M., Abd El-Hack, M. E., Arif, M., and Ashour, E. A.: Individual and combined effects of crude protein, methionine, and probiotic levels on laying hen productive performance and nitrogen pollution in the manure, Environ. Sci. Pollut. R., 23, 22906–22913, https://doi.org/10.1007/s11356-016-7511-6, 2016. 
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Short summary
Stocking broilers at a high density has been a strategy to optimize the area of the cage. If the environment and rearing management are not properly managed, stocking broilers at a high density may, however, result in stressful conditions that are harmful for the production and health of broilers. To ameliorate these unfavourable effects of overcrowding stress, dietary interventions using probiotics, prebiotics, synbiotics, herbs, vitamins, etc. have been conducted.