1- AOAC. (1995) Official Methods of Analysis (16th edition). Association of Official Analytical Chemists, Washington, DC.
2- Baker, DH. (1997) Ideal amino acid profiles for swine and poultry and their applications in feed formulation. Biokyowa
Technical Review. 9:1-24.
3- Bateman, A., Roland, D. A. and Bryant. M. (2008) Optimal methionine + cysteine / lysine ratio for first cycle of egg production in commercial leghorns. In. J. Poult. Sci. 7: 932-939.
4- Campbell, T. W., and Coles. E. H. (1986) Avian clinical pathology.In: Veterinary Clinical Pathology. Edited by E.H.
Coles. 4 th ed. W.B. Saunders Co. Philadelphia.
5- Chen, C., Sander, J. E. and Dale. N. M. (2003) The effect of dietary lysine deficiency on the immune response to Newcastle
disease vaccination in chickens. Avian Disease. 47: 1346-1351.
6- Chi, M. S. و and Speers. G. M. (1976) Effects of force feeding diet containing varing amount of lysine on plasma free amino
acids in laying hens. Poult. Sci. 56: 521-528.
7- Corrier, D. E., and Deloach. J. R. (1990) Evaluation of cell mediated, cutaneous basophil hypersensitivity in young chickens
with an interdigital skin test. Poult. Sci. 69: 403-408.
8- Dasgupta, M., Shaekey J. R. and Wu. G. (2005) Inadequate intakes of indispensable amino acids among homebound older
adults. J. Nut. Elderly. 24: 85-99.
9- Dein, F. J. (1986) Hematology. In: Clinical Avian Medicine and Surgery. Edited by Harrison, G.J. and Harrison, L.R., 1st ed. W.B. Saanders Co. Philadelphia. PP: 174-191.
10- Delhanty, J. J., and Salomon. J. B. (1966) The nature of antibodies to goat erythrocytes in the developing chicken. J. of
Immunology, 11: 103-113.
11- Dibner, J. J., and Ivey. F. J. (1990) Hepatic protein and amino acid metabolism in Poultry. Poult. Sci. 69: 1188-1194.
12- Fernandez, F. I., Nieto, R. Augilera J. F., and Prieto. C. (1996) The use of the excretion of nitrogen containing compound as an indirect index of the adequacy of dietary protein in chicks. Anim. Sci. 63: 307-314.
13- Fisher, C. (1998) Amino acid requirements of broiler breeders. Poult. Sci. 77: 124-133.
14- Harms, R. H., and Ivey. F. J. (1992) An evalution of the protein and lysine requirement for broiler breeder hens. J. Appl.
Poult. Res. 1: 308-314.
15- Hiramoto, K., Muramatsu, T. and Okumura. J. (1990) Effect of methionine and lysine deficiencies on protein synthesis in the
liver and oviduct and in the whole body of laying hens. Poult. Sci. 69: 84-89.
16- Humphrey, B. D., Stephensen, C. B. Calvert, C.C. and Klasing. K.C. (2006) Lysine deficiency and feed restrition independently alter cationic amino acid transporter expression in chickens. Comparative Biochemistry and Physiology. Part A. 143: 218-227.
17- Isakov, N., Feldmann, M. and Segel. S. (2005) The mechanism of modulation of humoral immune responses after injection of
mice with SRBC. J. Immunology. 128: 969-975.
18- Kaneko, J. J. (1989) Clinical Biochemistry of Domestic Animals. 4 th ed. Academic Press. Inc. New york.
19- Kidd, M.T., Kerr, B. J. and Anthony. N. B. (1997) Dietary interaction between lysine and threonine in broilers. Poult. Sci.
20- Klasing, K. C. (2007) Nutrition and the immune system. Gordon Memorial Lecture. British Poultry Sci. 48: 525-537.
21- Konashi, S., Takahashi, K. and Akiba. Y. (2000) Effects of dietary essential amino acid deficiencies on immunological
variables in broiler chickens. Br. J. Nut. 83: 449-456.
22- Leeson, S. and Summers. J. D. (2001) Nutrition of the chicken, 4 th ed. University books, Gueiph, Ontario, Canada.
23- Maxwell, M. H. and Robertson. G. W. (1998) The avian heterophilic leukocyte: A review. Worlds Poult. Sci. J. 54: 155-
24- National Research Council. (1994) Nutrient Requirements of Poultry. 9th rev. ed.Washington, DC, USA, National Academy Press.
25- Nelson, N. A., Lakshmanan, N. and Lamont. S. J. (1995) Sheep and blood cell and brucella abortus antibody response selected for multitrait immuno competence. Poult. Sci. 74: 1603-1609.
26- Samadi, G. and Liebert. F. (2007) Lysine requirement of fast growing chickens-Effects of age, sex, level of protein deposition and dietary lysine efficiency. J. Poult. Sci. 44: 63-72. 27- SAS. (2002) SAS Users Guide: Statistics, version 7.0 (Cary, NC, USA, Statistical Analysis Institute, Inc.).
28- Siegel, H. S. and Gross. W.G. (1983) Evaluation of the heterophil/lymphocyte ratio as a measure of stress in chicken.
Avian Diseases, 27: 972-979.
29- Smith, W. K. (1978) The amino acid requirement of laying hen: models for calculation. 1.Physiological Background. Wourld
Poult. Sci. J. 34: 81-96.
30- Sturkie, P. D. (1986) Physiology. 4 th ed. Springer verlag. New york.
31- Thomas, O. P., Twining, P.V. and Bossard. E. H. (1977) The available lysine requirement of 7-9 week old sexed broiler chicks. Poult. Sci. 56: 57-60.