[1] AL-Sharifi NMN .2011 .Study the effect of feed color on the productive performance of broilers. Kufa Journal of Veterinary Sciences, 2 : 67-76.
[2] Al-Ashoor DS,Al-Salhie KC .1849 .Effect of adding broccoli leaves (Brassica oleracea L. var. italica) extract to drinking water on eggs production and intestinal microflora of Japanese quail coturnix japonica Temmink. Basrah Journal of Agricultural Sciences, 33 : 42-51.
[3] RR Ambati,Moi P.,S. P. .2014 .Astaxanthin :sources, extraction, stability, biological activities and its commercial applications- A review. Marine drugs, 12 : 128-152.
[4] Azad M.,Sarker M.,Li T.,and J. Yin T. .2018 .Probiotic Species in the Modulation of Gut Microbiota: An Overview. , : .
[5] Cornescu GM.,Saracila M.,Dumitru M.,T. Gavris M. .2023 .Mitigation of heat stress effects on laying hens' performances, egg quality, and some blood parameters by adding dietary zinc-enriched yeasts, parsley, and their combination. Frontiers in Veterinary Science, 10 : 1202058.
[6] DB Duncan .1955 .Multiple Rang and Multiple F-test. Biometrics, 11 : 1-42.
[7] Dansou DM.,Wang H.,He W.,Zhao Q.,Zhang J. .2021 .Effects of duration and supplementation dose with astaxanthin on egg fortification. Poultry Science, 100 : 101304.
[8] Haasbroek K.,Takabe W.,Yagi M.,Yoshikazu Y. .2019 .High-fat diet induced dysbiosis and amelioration by Astaxanthin RAD CASA -. Medical Sciences, 48 : 58-66.
[9] He W. ,Wang H.,Tang C.,Zhao Q.,Zhang J. .2023 .Dietary supplementation with astaxanthin alleviates ovarian aging in aged laying hens by enhancing antioxidant capacity and increasing reproductive hormones. Poultry Science, 102 : 102258.
[10] Li M.,Wu J.,Chen Z. .2015 .Effects of Heat Stress on the Daily Behavior of Wenchang Chickens. Brazilian Journal of Poultry Science, 17 : 559-566.
[11] Lin Z. ,Li F.,Zhang Y.,Tan X.,Luo P.,Liu H. .2021 .Analysis of astaxanthin molecular targets based on network pharmacological strategies. Journal of Food Biochemistry, 45 : e13717.
[12] Ibtisham F. ,Nawab A.,Wang Z.,J. Wu M.,Xiao and LL.,An and LL. .2019 .The effect of ginger powder and Chinese herbal medicine on production performance, serum metabolites and antioxidant status of laying hens under heat-stress condition. Journal of thermal biology, 81 : 20-24.
[13] AD Magnuson,Sun T.,Yin R.,Tolba S. .2018 .Supplemental Microalgal Astaxanthin Produced Coordinated Changes in Intrinsic Antioxidant Systems of Layer Hens Exposed to Heat Stress. Algal research, 33 : 84-90.
[14] MO North .1984 .Commercial Chicken Production. The Avi. Publishing Company. Inc. Westport, : .
[15] Novero RP. .1991 .Plasma progesterone, luteinizing hormone concentration and granulose cell responsiveness in heat stress hens. Poultry Science, 70 : 2335-2339.
[16] N.R.C. .1994 .. Nutrient Requirements of Poultry. 9th Edu, : 176.
[17] Pashtetsky V.,Ostapchuk P.,Zubochenko D.,T. Kuevda D. .2019 .Use of antioxidants in poultry farming. E&ES, 341 : 012042.
[18] HL Sadik .2016 .The effect of adding different levels of Lycopene and compare it with commercial antioxidant (BHT) to the diets on productive performance of broiler. Journal of Veterinary Sciences, 9 : 123-136.
[19] Sahin N. ,Hayirli A.,Orhan C.,Tuzcu M.,Sahin K. .2018 .Effects of the supplemental chromium form on performance and metabolic profile in laying hens exposed to heat stress. Poultry Science, 97 : 1298-1305.
[20] Sandmann G. ,Light-Stress Related .2019 .Antioxidant Protection from UV-. Antioxidants, 8 : 219.
[21] SPSS .2019 .. IBM SPSS Statistics for Windows, Version, 26 : .
[22] Theobald P. .2015 .Principles of using organic acids in animal nutrition. , : .
[23] Ximenes L. ,Trisunuwati P. .2018 .Levels of hormones triiodothyronine and plasma blood glucose broiler starter due to heat stress and preliminary difference feeding time. International Journal of Research-Granthaalayah, 6 : 421-427.
[24] Xing S. ,Wang X.,Diao H.,Zhang M.,Zhou Y. Ying,Feng J. .2019 .Changes in the cecal microbiota of laying hens during heat stress is associated with reduced feed intake. Poultry Science, 98 : 5257-5264.
[25] Yadav S. ,R. Jha .2019 .Strategies to modulate the intestinal microbiota and their effects on nutrient utilization, performance, and health of poultry. Journal of animal science and biotechnology, 10 : 1-11.
[26] Yu T.,Dohl J.,Chen Y. .2019 .Astaxanthin but not quercetin preserves mitochondrial integrity and function, ameliorates oxidative stress, and reduces heat-induced skeletal muscle injury. Journal of Cellular Physiology, 234 : 13292-13302.
[27] Vieco-Saiz NY.,Belguesmia R.,Raspoet E.,Auclair F.,I. Gancel F.,Kempf A.,D. Drider A. .2019 .Benefits and Inputs from Lactic Acid Bacteria and Their Bacteriocins as Alternatives to Antibiotic Growth Promoters During Food-Animal Production. , 10 : 57.