Faculty

Areas of Research Interest

Molecular diagnosis of viral diseases of livestock with special reference to pigs diseases 

Molecular phylogeny of viral diseases 

Development of rapid virus detection methods

Ongoing Research Projects

As Principal Investigator
1) “Detection and molecular characterization of emerging viral pathogens of pigs”. Funded by Kerala State Council for Science, Technology and Environment (KSCSTE), Thiruvananthapuram

2) “Surveillance and molecular epidemiology of especially dangerous respiratory viruses in commercial and backyard poultry and migratory waterfowl in India” Funded by Defence Threat Reduction Agency in collaboration with University of Minnesota

As Co - Principal Investigator

Isolation and genotypic characterization of infectious bronchitis virus isolates from Kerala, India (PI: Dr. Surya Sankar)

Research Projects Completed

As Principal Investigator
'Evaluation of the efficacy of AC/CRP/11 as co-therapy in cases of chronic respiratory disease (CRD) of chicken”. Funded by Ayurvet Limited, Village Katha, PO Baddi, Solan district, Himachal Pradesh – 173 201.

As Co- Principal Investigator
“PCR based detection of carrier bovines of middle zone of Kerala infected with haemoprotozoan and haemorickettsial organisms”. Funded by Animal Husbandry Department, Government of Kerala. (PI – Dr. Reghu Ravindran, Assistant Professor, Department of Veterinary Parasitology, COVAS, Pookode).

As Co- Principal Investigator
“Comparison of PCR with conventional methods for the diagnosis of leptospirosis in animal hosts and humans in Wayanad”. Funded by Kerala State Council for Science, Technology and Environment (KSCSTE), Thiruvananthapuram (PI: Dr. Koshy John)

1. Chintu Ravishankar, P.X. Antony, K. G. Biju, G. Krishnan Nair, M. Mini and V. Jayaprakasan (2004). Pasteurellosis in a herd of spotted deer (Axis axis).  Zoo’s Print J. 19 (4) :1453
2. N. S. Sunilkumar, Chintu Ravishankar, V. Jayaprakasan, M. Mini and G. Krishnan Nair (2005).Seroprevalence of bluetongue among cattle in Kerala. Indian Vet. J.82 : 568-569
3. N. S. Sunilkumar, Chintu Ravishankar, V. Jayaprakasan, M. Mini and G. Krishnan Nair (2005). Seroprevalence of Peste des Petits Ruminants in Kerala. Indian Vet. J.82 : 570-571
4. Chintu Ravishankar, M. Muthuramalingam, Sachin J. Shenoy, M. Mini and V. Jayaprakasan (2005). Isolation of Streptococcus suis from a fatal case of pneumonitis in a boar. Indian Vet. J.82 : 910-911
5. Chintu Ravishankar, G. Krishnan Nair, M. Mini and V. Jayaprakasan (2005). Seroprevalence of bluetongue virus antibodies in sheep and goats in Kerala. Rev. Sci. Tech. Off. Int. Epiz.  24 (3): 953-958
6. Manoj, G., Nair, G. K. and Ravishankar, C (2005). Use of autogenous vaccine against bovine cutaneous papillomatosis. Journal of Veterinary and Animal Sciences 36 (1&2):121-122
7. P.X. Antony, G. K. Nair, V. Jayaprakasan, M. Mini, T.V. Aravindakshan and C. Ravishankar (2007).Plasmid profile and antibiogram of isolates of Pasteurella multocida from ducks in Kerala, India. Res. J. Microbiol.2(4):287-291
8. ChintuRavishankar, G. Krishnan Nair, M. Mini and V. Jayaprakasan (2007). A modified dot-ELISA for detection of bluetongue virus antibodies in sheep sera. Indian Vet. J.84 : 119-120
9. Ravishankar C., Priya P. M., Mini M., Rameshkumar P., Senthamil Selvan P., Jayesh V., Sunil K. S., Sharmadha M. K.,  Sreekumaran T., Jayaprakasan V. (2007). First confirmed occurrence of classical swine fever in Kerala state, India. Journal of Swine Health and Production 15(3):156-159.
10. Ravindran R., Lakshmanan B., Ravishankar C. and Subramanian H. (2007). Visceral Schistosomiasis among domestic ruminants slaughtered in Wayanad, South India. Southeast Asian Journal of Tropical Medicine and Public Health. 38(6): 1008-1010
11. Ravishankar, C., Priya, P. M., Pillai, D., Mini, M., Sharmadha, M. K., Rameshkumar, P. and Jayaprakasan, V. (2008). Isolation of Salmonella gallinarum from chicken and quails. Indian Veterinary Journal85:797-798
12. Ravishankar, C., Promod, K. and Anoop, S. (2008). Isolation of a bacterium of the Actinobacillus - Pasteurellagroupfrom a bite wound in a pup. Indian Veterinary Journal85:799-800
13. Ravindran, R., Lakshmanan, B., Ravishankar, C. and Subramanian, H. (2008). Prevalence of Linguatulaserrata in domestic ruminants in South India. Southeast Asian Journal of Tropical Medicine and Public Health. 39 (5):808-812 (PubMed PMID: 19058572)
14. Priya, P. M., Nithina, K. B., Kiran, N., Rajan, S., Ravishankar, C. andJayesh, V. (2008). A cross sectional investigation on contagious caprine pleuropneumonia among goats of Wayanad district of Kerala. India. Bioscience Biotechnology Research Communication1 (2): 140-142
15. Ravishankar, C. and Dinesh, C. N. (2010). Necrotizing dermatitis caused by Staphylococcus intermedius in a rabbit. Journal of Indian Veterinary Association  8 (2): 65                                                                                                                                                                          
16. Ravishankar, C., George, J. and John, K. (2011). Classical swine fever cases in North Kerala during the period from 2006 – 2010. Journal of Indian Veterinary Association9 (1):47
17. Aparna, M., Ravindran, R., Vimalkumar, M.B., Lakshmanan, B., Rameshkumar, P., Kumar, K.G., Promod, K., Ajithkumar, S., Ravishankar, C., Devada, K., Subramanian, H., George, A.J. and Ghosh, S. (2011) Molecular characterization of Theileriaorientalis causing fatal infection in crossbred adult bovines of South India. Parasitology International 60: 524-529 (doi:  10.1016/j. parint. 2011. 08.002. [Pubmed PMID: 21871972]).
18. Ravishankar, C., George, J., Bipin, R. S., Ravindran, R., Jayesh, V. and John, K. (2012).  Nucleic acid based diagnosis of classical swine fever cases in Wayanad district of Kerala. Indian Veterinary Journal 89 (1): 79-80
19. Ravishankar, C., Abraham, M., Shambu, M. G., George, J., Bipin, R. S., Jayesh, V. (2012). Seroprevalence of Mycoplasma gallisepticum antibodies in poultry farms in Wayanad. Indian Veterinary Journal 89 (7): 113-114
20. Ravishankar, C., Nandana, D., John, A.A., Reni, M.R., Sebastian, M., Chandy, G. and Anoop, S. (2012). Cross reactivity of deer immunoglobulin G (IgG) with antibovineIgG conjugate. Zoos’ Print27 (2): 29-30
21. Nandana, D., John, A.A., Ravishankar, C., Reni, M.R., Sebastian, M, Chandy, G. and Anoop, S. (2010). Antigenic similarity to deer and goat immunoglobulin G (IgG).  Journal of Veterinary and Animal Sciences41 (1&2):40-42
22. Raj, N., Poulose, P., Surya, P.S., Ravishankar, C. and Sebastian, M. (2009). Comparison of antibody titres of Newcastle disease virus in randomly collected sera and egg yolk of layers. Journal of Veterinary and Animal Sciences40 (1&2): 20-21
23. Ravishankar, C., Priya, P.M., Ravindran, R. and Ajithkumar, S. (2011). Outbreak of mycoplasmosis in an organised goat farm in Kannur district of Kerala.  Journal of Veterinary and Animal Sciences42 (1&2): 66-67
24. Ravishankar, C.,   Nandi, S., Chander, V. and Mohapatra, T. K. (2012). Glycoprotein C Gene Based Molecular Subtyping of a Bovine Herpesvirus -1 Isolate from Uttar Pradesh, India. Indian Journal of Virology 23 (3): 402-406
25. Bitew, M., Nandi, S., Ravishankar, C. and Somvanshi, R. (2013). Serological and molecular evidence of bluetongue in sheep and goats in Uttar Pradesh, India. African Journal of Biotechnology 12 (19):2699-2705 (DOI: 10.5897/AJB2012.12383).
26. Ravishankar, C., Nandi, S., Chander, V. and Mohapatra, T.K. (2013). Concurrent testing of breeding bulls for bovine herpesvirus 1 infection (BHV-1) in India.VeterinariaItaliana49 (2): 145-150 (doi: 10.12834/VetIt.2013.492.145.150).
27. Nandi, S., Kumar, M., Mohapatra, T.K. and Ravishankar, C. (2013). Emergence of canine parvovirus - 2 variants and its impact on vaccination. World Appl. Sci. J.23 (10): 1366-1376.
28. Bitew, M., Nandi, S. and Ravishankar, C. (2013). Bluetongue: Virus proteins and recent diagnostic approaches.Afr. J. Microbiol. Res. 7(51):5771-5780DOI: 10.5897/ AJMR2013.6305
29. Arun, S., John, K., Ravishankar, C., Mini, M., Ravindran, R. and Prejit, N. (2014). Seroprevalence of Bluetongue among domestic ruminantsin Northern Kerala, India. Trop. Biomed.31(1): 26–30.
30. De,U. K., Mukherjee, R., Nandi, S., Patel, B.H., Dimri, U., Ravishankar, C., Verma, A.K. (2014). Alterations in oxidant/antioxidant balance, high-mobility group box 1 protein and acute phase response in cross-bred suckling piglets suffering from rotaviral enteritis. Trop. Anim. Health Prod.46(7):1127-33. DOI 10.1007/s11250-014-0616-3
31. Chander, V., Nandi, S., Ravishankar, C.,Upmanyu, V. and Verma, R. (2014) Classical swine fever in pigs: recentdevelopments and future perspectives.  Animal Health Research Reviews 15(1); 87–101
32. Bitew, M., Nandi, S., Ravishankar, C.and Sharma, A. (2014). Phylogenetic analysis of bluetongue virus serotype 16 based on genome segment 5 (encoding NS1). African Journal of Biotechnology 13 (53).
33. Bhaskar N., Ravishankar, C., Rajasekhar R., Sumod, K., Sumithra, T.G., John, K., Mini, M., Ravindran, R. Shaji, S., Aishwarya J. (2015). Molecular typing and phylogenetic analysis of classical swine fever virus isolates from Kerala, India. Virus Disease DOI 10.1007/s13337-015-0271-y
34. Aishwarya, J., Ravishankar_, C., Rajasekhar, R., Sumod, K., Bhaskar, N., Shaji, S., John, K., Mini, M. 2016. First report of detection and molecular characterization of porcine parvovirus in domestic and wild pigs in Kerala, India Virus Disease 27:311-314.
35. Dhanusree P., Leeba C., Chintu R., Aishwarya J. and Shiju S. (2016). Antibiotic Sensitivity Studies of Intrauterine Pathogens in Postpartum Cows with Subclinical Endometritis. Indian Journal of Natural Sciences 7(39):11760-11765