- افشار مازندران، ن.، رجب، ا. و کیایی، م.، 1380. پروبیوتیکها و کاربرد آنها در تغذیه دام و طیور. چاپ اول. انتشارات نوربخش، تهران، 270 صفحه
- Allen, P.C., 2003. Dietary supplemention with Echinacea and development of immunity to challenge infection with coccidian. Animal and Natural Resources Institute, 91:74-78.
- Bauer, R., 1996. Echinacea drugs, effects and active ingredients. Z. Aerztl. Fortbild (Jena), 90: 111-115.
- Canan Bolukbasi, S. and Kuddus Erhan, M., 2006. Effects of dietary Thyme (Thymus vulgaris) on laying hen performance and Escherichia coli (E.coli) concenteration in feces. Journal of Natural and Engineering Science, 1(2): 55-58.
- Chen, H., Li, D.F., Chang, B.Y. and Gong, L.M., 2003. Effects of Chinese herbal polysaccharides on the immunity and growth performance of young broiler. Poultry Science, 82: 364-370.
- Corrier, D.E. and Deloach, J.R., 1990. Evaluation of cell mediatted cutaneous basophil hypersensitivity in young chickens by an interdigital skin test. Poultry Science, 69: 403-408.
- Cross, D.E., Svoboda, K., Hillman, K., Mcdevitt, R. and Acamovic, T., 2002. Effects of Thymus vulgaris L. essential oil as an in vivo dietary supplement on chicken intestinal microflora. Proceedings of the 33rd International Symposium on Essential oils, Lisbon, Portugal. 3-7 September: page number.
- Ferket., P.R., Parks, C.W. and Grimes, J.L., 2002. Benefits of dietary antibiotic and mannanoligosaccharide supplementation for poultry. Multi-State Poultry Metting, 14-16 May: page number.
- Fu, X.Q. and Liu Z.J., 1997. Microhemagglutination inhibition (HI) test. 97, In: Fu, X.Q. and Liu, Z.J., (eds.), Handbook of Poultry Diseases Detection. China Agriculture University Press, Beijingm, China, Total pages.
- Goel, V., Chang, C., Slama, J.V., Barton, R., Bauer, R., Gahler, R. and Basu, T.K., 2002. Alkylimides of Echinacea purpurea stimulate alveolar macrophage function in normal rats. International Journal of Immunopharmacology, 2(3): 381-387.
- Hammer, K.A., Carson, C.F. and Riley, T.V., 1999. Antimicrobial activity of essential oil and other plants extracts. Journal of Applied Microbiology, 86: 985-990.
- Hevener, W., Routh, P.A. and Almond, G.W., 1999. Effects of immune challenge on concentrations of serum insulin-like growth factor-1 and growth performance in pigs. Journal of Canadian Veterinary, 40: 782-786.
- Hobbes, C., 1989. The Echinacea Handbook. In =351-359: Miovich, M., (ed.). Eclectic Medical, Portland, Ore, 387p.
- Humprey, B.D., Koutsos, E.A. and Klasing, K.C., 2002. Requirement and priorities of the immune system for nutrients. 69-77, In: Jacques, K.A. and Lyons, T.P. (Eds.). Nutritional Biotechnology in the Feed and Food Industries. Proceeding of Alltech’s 18th Annual Symposium, Total pages.
- Jamroz, D., Williczkiewicz, A., Wertelecki, T., Orda, J. and Skorupinska, J., 2005. Use of active substances of plant origin in chicken diets based on maize and locally grown cereals. British Poultry Science, 46(4): 458-493.
- Jang, I.S., Ko, Y.H., Kang, S.Y. and Lee, C.Y., 2006. Effect of commercial essential oil on growth performance, digestive enzyme activity and intestinal microflora population in broiler chickens. Animal and Feed Science Technology, 134: 304-315.
- Keith., I., Block, M.D., Mark, N. and Mead, M.S., 2003. Immune system effects of Echinacea, Ginseng and Astragalus: A Review. Integrative Cancer Therapies, 2(3): 247-267.
- Lau, B.H., Yamasaki, T. and Gridley, D.S., 1991. Garlic compounds modulate macrophage and T- lymphocyte functions. Molecular Biothechnic, 3: 103-107.
- Miron, T., Rabinkov, A., Mirelman, D., Wilchek, H. and Weiner, L., 2000. The mode of action of allicin: its ready permeability through phospholipids membranes may contribute to its biologocal activity. Biochemistry and Biophysics, 1463: 20-30.
- Nie, W. and Zhang, Y.X., 1999. Progress of the immunomodulating effect of polysaccharides and their mechanism. Chinese Pharmacology Bulletin, 15: 3-5.
- O’Neill, W., Mc-Kee, S. and Clark, A.F., 2002. Immunological and haematinic consequences of feeding a standardized Echinacea (Echinacea angustifolia) extract to healthy horses, Equine. Journal Veterinary, 34: 222-227.
- Peterson, A.L., Qureshi, M.A., Ferket, P.R. and Fuller, J.C., 1999. Enhancement of cellular and humoral immunity in young broilers by the dietary supplementation of β-hydroxy- β-methylbutyrate. Immunopharmacology and Immunotoxicology, 21(2): 307-330.
- Qureshi, M. and Havenstein, G.B., 1994. A comparison of the immune performance of 1991 commercial broiler with a broiler diets. Poultry Science, 73: 1805-1812.
- Rehman, J., Dillow, J.M., Carter, S.M., Chou, J. B., Le, B. and Maisel, A.S., 1999. Increased production of antigen-specific immunoglobulins G and M following in vivo treatment with the medicinal plants Echinacea angustifolia and Hydrastis canadensis. Immunology Letters, 68(12): 391-395.
- Ress, L.P., Minney, S.F., Plummer, N.T., Slater, J.H. and Skyrme, D.A., 1993. A quantitative assessment of the anti-microbial activity of garlic (Allium sativum). Journal Microbial Biotechnology, 9: 303-307.
- Roesler, J., Steinmuller, C. and Kinderlen, A., 1991. Application of purified polysaccharides from cell cultures of the plant Echinacea purpurea to mice mediates protection against systemic infections with Listeria monocytogenes and Candida albicans. International Journal of Immunopharmacology, 11(3): 27-38.
- Samman, S. and Cook, N.C., 1996. Flavonoids-chemistry, metabolism, cardio protective effects, and dietary sources. Journal of Nutrition Biochemistry, 7: 66-76.
- Savage, T.F., Cotter, P.F. and Zakrzewska, E.I., 1996. The effect of feeding mannan oligosaccharide on immunoglobulins, plasma IgG and bile IgI, of Wrolstad MW male turkeys. Poultry Science, 75: 143.
- Schranner, I., Würdinger, M., Klumpp, N., Lösch, U. and Okpanyi S.N., 1989. Beeinflussung der aviären humoralen Immunreaktionen durch Infuex und Echinacea angustifolia extrakt. Journal of Veterinary Medicinal, 36: 353-364.
- Schulte, K.E., Rucker, G. and Perlick, J., 1967. The presence of polyacetylene compounds in Echinacea purpurea and Echinacea angustifolia DC. Arzneimittelforschung, 17: 825-829.
- Smith-Palmer., A. Stewart, J. and Fyfe, L., 1998. Antimicrobial properties of plant essential oil and essences against five important food-borne pathogens. Letters in Food Microbiology, 26: 118-122.
- Stimple, M., Proksch, A., Wagner, H. and Lohmann-Matthes, M.L., 1984. Macrophage activation and induction of macrophage cytoxicity by purified polysaccharide fractions from the plant Echinacea purpurea. Infection Immunology, 46: 845-849.
- Takahashi, K., Mashiko, T. and Akiba, Y., 2000. Effects of dietary concentration of xylitol on growth in male broiler chicks during immunological stress. Poultry Science, 79: 743-747.
- Tschirch, H., 2000. The use of natural plants extracts as production enhancers in modern animal rearing practices. Zeszyty Naukowe Akademii Rolniczej Wroclaw, Zootechnika, XXV(376): 25-39.
- Wills, E., 1956. Enzyme inhibition by allicin, the active principle of garlic. Journal of Biochemistry, 63: 514-520.