1) Abdollahpour G. (1987). Seroepidemiological study of leptospirosis in small animals. D.V.M Thesis No:1619. Faculty of Veterinary Medicine, University of Tehran.
2)Adler B., and Pena Mocrezuma A.(2010).Leptospira and leptospirosis. Vet microbial. Vol,140. PP: 287-296.
3) Alanso-Andicoberry C., Garcia-Pena F.J., Pereira-Bueno J. Costas E., and Ortego-Mora L.M. (2001). Herd-level risk factors associated with leptospira spp. Seroprevalence in dairy and beef catle in Spain. Preventive veterinary medicine. Vol,52. PP: 109-117.
4)Barkin, R. M. , Gackian I.C., and Glosser I.W. (1974).Infection by Leptospira ballum: a laboratory associated case. South.Med.J.Vol,67. PP: 155-156
5) Bolin, C. A.(1990).Effectiveness of Leptospira interrogans serovar hardjo bovis vaccine for protection of cattle from infection with serovar hardjo type hardjo bovis. Proceedings of the leptospirosis research conference, Matsuyama Japan. PP: 193-199.
6) Bolin, C. A. Zuerner, R. L. and Trueba, G. (1989). Effects of vaccination with a pentavalent leptospiral vaccine containing Leptospira interrogans serovar hardjo type hardjo bovis infection of cattle. American journal of veterinary research. Vol,50. PP: 2004-2008.
7) Brenner J., Kaufmann A.F., Sulzerk.R., Steigerwalt A.G., Rogers F.C. and Weyant R.S. (1999). Further determination of DNA relatedness between serogroups and serovars in the family Leptospiraceae with a proposal for Leptospira alexanderi sp. nov. and four new Leptospira genomospecies. Int. J. Syst. Bacteriol. Vol,49. PP: 839–858.
8) Department of Agriculture, Fisheries and Forestry – Australia. (2000). A scientific review of leptospirosis and implication for quarantine policy. Biosecurity Australia. PP: 1-93.
9) Faine S., Adler B., Bolin C., and Perolat P. (2000). Leptospira and Leptospirosis, 2nd ed.,Melbourne, Australia:Medscience.
10) Green, C. E. (2005). Infectious disease of the dog and cat, 3rd edition, W. B, Saunders company, Philadelphia. U.S.A. PP:498-508.
11) Haji Hajikolaei M.R., Ghorbanpour, M., and Abdollahpour, G. (2005). Serological study of Leptospirosis in cattle in Ahvaz. J Faculty of Vet Med, Univ Tehran. Vol, 60. PP: 7-15.
12) Hashemzadeh.M. Analysis on bovine leptospirosis. (1988). D.V.M Thesis No,1658. Faculty of Veterinary Medicine, University of Tehran.
13) Hassanpour A., Fartashvand M., Abdollahpour G., Moghaddam G., Nadalian M., and Sattari S. (2008). Seroprevalence of leptospiral infection in dairy herds in Tabriz – Iran. Pajouhesh & Sazandegi. No, 74. PP: 67-77.
14) Jori F., Galvez H., Mendoza P., Cespedes M. and Mayor P. (2009). Monitoring of leptospirosis seroprevalence in a colony of captive collared peccaries (Tayassu tajacu) from the Peruvian Amazon. Research in Veterinary Science. Vol,86. PP: 383–387.
15) Lau C.L., Smythe L.D., Craig S.B. and Weinstein P. (2010). Climate change, flooding, urbanisation and leptospirosis: fuelling the fire?. Royal Society of Tropical Medicine and Hygiene. Vol, 104. PP: 631-638.
16) Levett P.N. (2004). Leptospirosis: A forgotten zoonosis. Clinical and Applied Immunology Reviews. Vol,4. PP: 435–448
17) Levett P.N. (2001). Leptospirosis. Clin. Microbiol. Rev. Vol, 14. PP: 296-314.
18) Lilenbaum W., Morais Z.M., Gonçales A.P., Souza G.O., Richtzenhain L. and Vasconcellos S.A. (2007). First isolation of leptospires from dairy goats in Brazil. Brazilian Journal of Microbiology. Vol, 38. PP: 507-510.
19) Lilenbaum W., Varges R., Medeiros L., Cordeiro A. G., Cavalcanti A., Souza G. N., et al. (2008). Risk factors associated with leptospirosis in dairy goats under tropical conditions in Brazil. Research in Veterinary Science. Vol, 84. PP: 14-17.
20) Lindahl E., Boqvist S., Artursson K., and Magnusson U. (2011). A field-study on Leptospira seroprevalence in dairy cows in four geographical areas in Sweden. Acta Veterinaria Scandinavica. PP: 1-4.
21) Maghami Gh. (1981). The role of leptospirosis causing abortion in the cattle around Tehran. Publications of veterinary organization. No,20. PP: 50-60.
22) Momtaz H and Moshkelani S. (2012). Detection and characterization of Leptospira spp. Isolated from aborted bovine clinical samples. ACTA VET. BRNO J. Vol, 81. PP: 21-25.
23) Ngan N.T. and Tein N.N. (2000) A study on the occurrence of leptospirosis in the goat population in northern Vietnam. The National Veterinary Diagnostic Center. PP: 93-96.
24) Radostits O. M. , Gay C.C., Hinchcliff K.W. and Constable P.D. (2007). Veterinary Medicine. 10th ed. Elsevier. PP: 1094-1110.
25) Sakhaie E., Abdollahpour G., Bolourchi M., Tabatabayi A.M., and Sattari Tabrizi S. (2007). Serological and bacteriological diagnosis of bovine leptospirosis in Tehran suburb dairy farms. Iranian J. Vet. Res. Vol,8. PP: 325-332.
26) Shafighi T. (2006). Seroepidemiological study of leptospirosis in livestock in Gilan province. D.V.M Thesis, No: 3031. Faculty of Veterinary Medicine, University of Tehran.
27) Tabatabayi A.H and Firouzi R. (2001). Disease of animal due to bacteria. Tehran University Press. pp: 431-445.
28) Tajbakhsh H. (1998). General bacteriology. 4th edition. Tehran University Press. P: 742.
29) Tooloei M., Abdollapour G., Karimi H., and Hasanpor A. (2008). Prevalence of serum antibodies against six leptospira serovars in sheep in Tabriz, Northwestern Iran. Journal of animal and veterinary advances. Vol, 7. PP: 450-455.
30) Trevejo R.T., Rigua-Perez J.G., and Ashford D.A. (1995). Epidemic leptospirosis associated with pulmonary hemorrhage-Nicaragua. J Infect Dis. PP: 457-463.
31) Vahdat K., Nabipour I., Motamedi M., Jafari M., Ghajari A., Zafarmand H., et al. (2006). Seroepidemiological study of leptospirosis in a livestock Epidemic haemorrhagic fever in farmers in Hilla Delta, Kareband. Iranian South Medical Journal. No: 1. PP: 53-59.
32) Veterinary Organization of Iran. (2012). Action plan for animal disease control in I.R.Iran. PP: 38-40.
33) World Health Organization. (2003). Human leptospirosis: guidance for diagnosis, surveillance and control. P: 65.
34) World organization for animal health. (2008). Terrestrial manual, leptospirosis. PP: 251-264.
35) Yousefivand J., Moradibidhendi S., and Ahoorai P., (1995). New findings about leptospirosis in the Razi Institute. Pajouhesh & Sazandegi. No,25. PP: 72-75.
36) Zakeri S., Khorami N., Ganji F.Z., Sepahian N., Malmasi A., Gouya M., et al. (2010) Leptospira wolffii, a potential new pathogenic Leptospira species detected in
human, sheep and dog. Research in Veterinary Science. Vol,10. PP: 273-277.
37) Zeynali A. (2002). Evaluation of serology and bacteriology leptospiral infection in dogs referred to the Small Animal Veterinary Hospital, Tehran University from october 1999 until february 2000. PhD thesis No: 117. Faculty of Veterinary Medicine, University of Tehran.