Alçiçek, A., Bozkurt, M. and Çabuk, M. )2004(. The effect of a mixture of herbal essential oils, an organic acid or a probiotics on broiler performance. South African Journal of Animal Science. 34: 217-222.
2- Atef, M., Abo-Norage, M.A., Hanafy, M.S. and Agag, A.E. (1991). Pharmacotoxicologicalaspects of nitrate and nitrite in domestic fowls. British Poultry Science. 32: 399-404.
3- Ayo, J.O., Minka, N.S. and Mamman, M. (2006). Excitability scores of goats administered ascorbic acid and transported during hot-dry conditions. Journal of Veterinary Science. 7: 127-131.
4- Barton, T.L., Hileman, L.H. and Nelson, T.S. (1986). A Survey of water quality on Arkansas broiler farms and meeting poultry health and Condemnation. University of Arkansas Fayetteville.
5- Baydar, H., Sagdic, O., Ozkan, G. and Karadogan, T. (2004). Antibacterial activity and composition of essential oils from Origanum, Thymbra and Satureja species with commercial importance in Turkey. Food Control. 15: 169-172.
6- Bölükbaşi, Ş.C., Erhan, M.K. and Özkan, A. (2006). Effect of dietary thyme oil and vitamin E on growth, lipid oxidation, meat fatty acid composition and serum lipoproteins of broilers. South African Journal of Animal Science. 36: 189-196.
7- Carter, TA. and Sneed, RE. (1987). Poultry Science and Technology Guide. North Carolina State University, Raleigh.
8- Choi, S.Y., Chung, M.J. and Sung, N.J. (2002). Volatile N nitrosamine inhibition after intake of Korean green tea and Maesil extracts with an amine-rich diet in subjects ingesting nitrate. Food and Chemical Toxicology. 40: 949-957.
9- Chow, C.K. and Hong, C.B. (2002). Dietary vitamin E and selenium and toxicity of nitrite and nitrate. Toxicology. 180: 195-207.
10- Chow, C.K. and Hong, Reese, M. and Gairola, C. (1984). Effect of dietary vitamin E on nitrite-treated rats. Toxicological Letters, 23: 109-117.
11- Cross, D.E., Acamovic, T., Deans, S.G. and McDevitt, R.M. (2002). The effect of dietary inclusions of herbs and their volatile oils on the performance of growing chickens. British Poultry Science. 43: 33-35.
12- Cross, D.E., McDevitt, R.M., Hillman, K. and Acamovic, T. (2007). The effects of herbs and their associated essential oils on performance, dietary digestibility and gut microflora in chickens from 7 to 28 days of age. British Poultry Science. 48: 496-506.
13- Cross, D.E., Svoboda, K., McDevitt, R.M. and Acamovic, T. (2003). The performance of chickens fed diets with or without thyme oil and enzymes. British Poultry Science. 44: 18-19.
14- Farag, R.S., Badei, A.Z.M.A., Hewedi, F.M. and El-Baroty, G.S.A. (1989). Antioxidant activity of some spice essential oils on linoleic acid oxidation in aqueous media. Journal of American Oil Chemists Society. 66: 792-799.
15- Jamroz, D., and Kamel, C. (2002). Plant extracts enhance broiler performance. Journal of Animal Science. 80: 41-41.
16- Kaneko, J.J., Harvey, J.W. and Michael, LB. (1997). Clinical Biochemistry of Domestic Animals. 5th Ed. New York, Academic Press. pp: 857-879.
17- Kasyanenko, I.V., Pinchuk, V.G., Mysasoyedov, D.V., Pivnyuk, V.M. and Osipova, L.A. (1992). Oncology. Naukova Dumka, Kiev. 264 pp.
18- Kolahi, S., Hejazi, J., Mohtadinia, J., Jalili, M., Farzin, H., (2011). The evaluation of concurrent supplementation with vitamin E and omega-3 fatty acids on plasma lipid per oxidation and antioxidant levels in patients with rheumatoid arthritis.
Internet Journal of Rheumatology. 7:1cf7.
19- Lee, K.W., Everts, H., Kappert, H.J., Frehner, M., Losa, R. and Beynen, AC. (2003a). Effects of dietary essential oil components on growth performance, digestive enzymes and lipid metabolism in female broiler chickens. British Poultry Science. 44: 450-457.
20- Lee, K.W., Everts, H., Kappert, H.J., Frehner, M., Losa, R. and Beynen, A.C. (2003b). Dietary Carvacrol lowers body weight gain but improves feed conversion in female broiler chickens. The Journal of Applied Poultry Research. 12: 394-399.
21- Lee, K.G. and Shibamoto, T. (2001). Inhibiton malonaldehyde formation from blood plasma oxidation by aroma extracts and aroma components isolated from clove and eucalyptus. Food and Chemical Toxicology. 39: 1199-1204.
22- Lee, K.W., Everts, H., Kappert, H.J., van der Kuilen, J., Lemmers, A.G., Frehner, M., Beynen, A.C. (2004a). Growth performance, intestinal viscosity, fat digestibility and plasma cholesterol in broiler chickens fed a rye-containing diet without or with essential oil components. International Journal of Poultry Science. 3: 613-618.
23- Manassaram, D.M., Backer, L.C. and Moll, D.M. (2006). A review of nitrates in drinking water: Maternal exposure and adverse reproductive and developmental outcomes. Environmental Health Perspective. 114: 320-327.
24- Merino, Leonardo. (2008). Development and validation of a method for determination of residual nitrite/nitrate in foodstuffs and water after Zinc reduction. Food Anal Methods. 2: 212–220.
25- Marrett, L. E. and Sunde, M. L. (1968). The use of turkey poults and chickens as test animals for nitrate and nitrite toxicity. Poultry Science. 68:511-519.
26- Phillips, W.E. (1971). Naturally occurring nitrate and nitrite in foods in relation to infant methaemoglobinaemia. Food and Cosmetics Toxicology. 9: 219-228.
27- Rocha, BS., Gago, B., Barbosa, RM., Lundberg, J.O., Radi, R. and Laranjinha, J. (2012). Intra gastric nitration by dietary nitrite: implications for modulation of protein and lipid signaling. Free Radical Biology Medicine. 52: 693-8.
28- Salvemini, D. and Cuzzocrea. (2002). Superoxide, superoxide dismutase and ishemic injury. Current Opinion Investigational Drugs. 3:886-895.
29- Santamaria, P. (2006). Nitrate in vegetables: toxicity, content, intake and EC regulation (review). Journal of the Science of Food and Agriculture. 86: 10-17.
30- Sharafzadeh, Sh., Alizadeh, O. and Vakili, M. (2011). Effect of Nitrogen Sources and Levels on essential oil components of thymus vulgaris L. Australian Journal of Basic and Applied Sciences. 5: 885-889.
31- Singhal, S., Gupta, R. and Gogle, A. (2001). Comparison of antioxidant efficacy of vitamin E, vitamin C, vitamin A and fruits in coronary heart diseases. A controlled trial. Journal of the Association of Physicians, India. 49: 327-331.
32- Slepchenko, V.N. and Rhnelnitskh, G.A. (1988) Toxic effects of dietary nitrate on semen production in bulls. Veterinariya, Kiev USSR. 63:63-67.
33- Suteu, R., Altuntas, I., Buyukvanli, B., Akturk, O., Koylu, H. and Delibas, N. (2007). The effects of diazozin on lipid peroxidation and antioxidant enzymes in rats erythrocytes: role of vitamins E and C. Toxicology and Industrial Health. 23: 13-17.
34- Toghyani, M., Tohidi, M. (2010). Performance, immunity, serum biochemical and hematological parameters in broiler chicks fed dietary thyme as alternative for an antibiotic growth promoter. African Journal of Biotechnology. 9: 6819-6825.
35- Ulfah, M. (2006). Essential oils as multi-function feed additive (MFA) to improve broilers performance, metabolism, dung consistency and efficiency of production. Journal of Agriculture and Rural Development in the Tropics and Subtropics. 88: 50-55
36- Youdim, K.A. and Deans, S.G. (2000). Effect of thyme oil and thymol dietary supplementation on the antioxidant status and fatty acid composition of the aging rat brain. British Journal of Nutrition. 83: 87-93.
37- Youdim, K.A. and Deans, S.G. (1999). Dietary supplementation of thyme (Thymus Vulgaris L.) essential oil during the lifetime of the rat: Its effects on the antioxidant status in liver, kidney and heart tissues.
Mechanisms of Ageing and Development. 109: 163-75.
39- Zhang, KY., Yan, F., Keen, CA. and Waldroup, PW. (2005). Evaluation of microencapsulated essential oils and organic acids in diets for broiler chickens. International Journal of Poultry Science. 4: 612-619.