1 . Almeida IMC, Barreira JCM, Oliveira MBPP and Ferreira ICFR (2011) Dietary antioxidant supplements: beneﬁts of their combined use. Food and Chemical Toxicology. 49: 3232-3237.
2 . AOAC (2006) Official methods of analysis. AOAC International, Arlington, VA.
3 . Bahramikia S and Yazdanparast R (2008) Antioxidant and free radical scavenging activities of different fractions of Anethum graveolens leaves using in vitro models. Pharmac Online. 2: 219-233.
4 . Boka J, Mahdavi AH, Samie AH and Jahanian R (2014) Effect of different levels of black cumin (Nigella sativa L.) on performance, intestinal Escherichia coli colonization and jejunal morphology in laying hens. Animal Physiology and Animal Nutrition. 98: 373-383.
5 . Brenes A and Roura E (2010) Essential oils in poultry nutrition: Main effects and modes of action. Animal Feed Science and Technology. 158: 1-14.
6 . Burits M and Bucar F (2000) Antioxidant activity of Nigella sativa essential oil. Phytotheapy Research. 14: 328-323.
7 . Calder PC (1996) Immunomodulation and antiinfamatory effects of n-3 polyunsaturated fatty acids. Proceedings of the Nutrition Society. 55: 737-774.
8 . Cherian G and Hayat Z (2009) Long-term effects of feeding flaxseeds on hepatic lipid characteristics and histopatology of laying hens. Poultry Science. 88: 2555-2561.
9 . Chowdhury SR, Chowdhury SD and Smith TK (2002) Effects of dietary garlic on cholesterol metabolism in laying hens. Poultry Science. 81: 1856-1862.
10. Ciftci M, Simsck UG, Yuce A, Yilmaz O and Dalkilic B (2010) Effects of dietary antibiotic and cinnamon oil supplementation on antioxidant enzyme activities, cholesterol levels and fatty acid compositions of serum and meat in broiler chickens. Acta Veterinaria Brno. 79: 33-40.
11 . Grobas S, Mendez J, Laano L and Meteous GG (2001) Influence of source and percentage of fat added to diet on performance and fatty acid composition of egg yolk of two strains of laying hens. Poultry Science. 80: 1171-1179.
12 . Gursoy N, Sarikurkcu C, Cengiz M and Solak MH (2009) Antioxidant activities, metal contents, total phenolocs and flavonoids of seven Morchella species. Food and Chemical Toxicology. 47: 2381-2388.
13 . Hong JC, Steiner T, Aufy A and Lien TF (2012) Effects of supplemental essential oil on growth performance, lipid metabolites and immunity, intestinal characteristics, microbiota and carcass traits in broilers. Livestock Science. 144: 253-262.
14 . Kubow S (1993) Lipid oxidation products in food and atherogenesis. Nutrition Reviews. 51: 33-40.
15 . Lal B, Kapoor AK and Asthana OP (1999) Efficiency of curcumin in the management of chronic anterior uveitis. Phytotherapy Research. 13: 318-322.
16 . Langhout LRP (2000) New additives for broiler chickens. In: Food mix special, alternatives to antibiotics. Pp. 24-27.
17 . Lavinia S, Gabil D, Drinceanuy D, Stef D, Daniella M, Julean C, Ramona T and Coriconivoschi N (2009) The effect of medicinal plants and plant extracted oils on broiler duodenum morphology and immujnological profile-Rom. Biotechnology Letters. 14: 4606-4614.
18 . Offord EA, Guillot F, Aeschbatch R, Loliger J and Pfeifer AMA (1997) Antioxidant and biological properties of rosemary components: Implications for food and health. In: Shahidi F (Eds), Natural Antioxidant, Chemistry, Health effects and applications. AOCS press. Pp. 88-96.
19 . OktayM, Glucin I and Klufervioglu OI (2003) Determination of invitro antioxidant activity of phenel (Foeniculum vulgare) seed extracts. Lebensmittel-Wissenschaft and Technology. 36: 263-271.
20 . Pasqua DR, Hoskins N, Betts G and Mauriello G (2006) Changes in membrane fatty acids composition of microbial cells induced by addiction of thymol, carvacrol, limonene, cinnamaldehyde, and eugenol in the growing media. Agricultural and Food Chemistry. 54: 2745-2749.
21 . Petrovic V, Marcincak, Pelka P, Simkova J, Martonova M, Buleca J, Marcincakova D, Tuckova M, Molna L and Kovac G (2011) The Effect of supplementation of clove and agrimony or clove and lemon balm on growth performance, antioxidant status and selected indices of lipid profile of broiler chickens. Animal Physiology and Animal Nutrition. 59: 1184-1192.
22 . Richeimer SL, Bernart MW, King GA, Kent MC and Bailey BT (1996) Antioxidant activity of lipid-soluble phenolic diterpenes from rosemary. Journal of the American Oil Chemists' Society. 73: 507-514.
23 . SAS (2001) Procedures Guide, Version 9, 3td ed. SAS Institute Inc., Cary, NC.
24 . Wang YW, Field CJ and Sim JS (2000) Dietary polyunsaturated fatty acids alter lymphocyte subset proportion and proliferation, serum immunoglobulin G concentration and immune tissue development in chicks. Poutry Science. 79: 1741-1748.
25 . Yuming G, Chen S, Xia Z and Yuan J (2004) Effects of different types of polyunsaturated fatty acids on immune function and PGE2 synthesis by peripheral blood leukocytes of laying hens. Animal Feed Science and Technology. 116: 249-257.