Parimal Roy

Stamford University Bangladesh

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V. Balamurugan

National Institute Of Veterinary Epidemiology And Disease Informatics

Kuralayanapalya Puttahonnappa Suresh

National Institute Of Veterinary Epidemiology And Disease Informatics

G. Dhinakar Raj

Tamil Nadu Veterinary and Animal Sciences University

G. Balakrishnan

Tamil Nadu Veterinary and Animal Sciences University

K. Vinod Kumar

National Institute Of Veterinary Epidemiology And Disease Informatics

Divakar Hemadri

National Institute Of Veterinary Epidemiology And Disease Informatics

G. Govindaraj

Indian Council of Agricultural Research

S Jaisree

Tamil Nadu Veterinary and Animal Sciences University

A. Koteeswaran

Tamil Nadu Veterinary and Animal Sciences University

S. S. Patil

National Institute Of Veterinary Epidemiology And Disease Informatics

Cooperative Institutions

Tamil Nadu Veterinary and Animal Sciences University

113

National Institute Of Veterinary Epidemiology And Disease Informatics

Indian Council of Agricultural Research

Indian Veterinary Research Institute

Madras Medical College

Lovely Professional University

Département Santé Animale

Jain University

Saveetha University

Kerala Veterinary and Animal Sciences University

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DNA vaccination with VP2 gene fragment confers protection against Infectious Bursal Disease Virus in Chickens

Veterinary Microbiology (2014)

Satya Narayan Pradhan Prince R. Prabhu Jayaprakasam Madhumathi Chakkaravarthy Arunkumar Parimal Roy

Infectious bursal disease

Bursa of Fabricius

10.1016/j.vetmic.2014.02.019

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Citations (15)

Cysticercosis in a Wistar Albino Rat

Journal of Veterinary Science & Technology (2018)

P. Krishnamoorthy Partha Pratim Sengupta C Balachandran Parimal Roy

The present study was conducted to know the cause for multiple cysts in the liver of laboratory rat used for experimental purpose in research work. A male Wistar albino rat about 22 weeks of age showed the presence of numerous cysts in liver. The cyst along with normal liver tissue was collected in 10% of formalin and processed for histopathology. Gross examination of liver showed white to yellowish cyst of 0.2 to 0.6 cm diameter, on incision, fluid or purulent exudates and larvae was seen. Histopathological examination revealed well-developed cyst wall with inner layer composed of cytokeratin along with thick connective layers mainly of fibrous tissue. The hepatocytes were damaged with severe infiltration of eosinophils and plasma cells surrounding the cyst. The larva showed the presence of an outer acellular eosinophilic cuticular layer and underlying subtentacular layer along with scolex containing hooks and suckers. Thus, based on the gross and histopathological examination, the accidental finding of cysts was confirmed to be Cysticercus fascioliaris infection in Wistar albino rat and it also indicated that the infection might be transmitted through water or bedding materials. Hence, it is necessary to give much emphasis on the quality of laboratory rodents used for experimental purposes and also for water and bedding materials used in future. Further, it is important to take safety and precautionary measures in laboratory animal house to avoid spread of zoonotic diseases to humans. Keywords: Cysticercosis, histopathology, Wistar albino rat Cite this Article Krishnamoorthy P, Sengupta PP, Balachandran C et al. Cysticercosis in a Wistar Albino Rat. Research & Reviews: Journal of Veterinary Science and Technology . 2017; 6(2): 23–25p.

Histopathology

Gross examination

Histopathological examination

Infiltration (HVAC)

Hydatid cyst

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Towards eradication of peste des petits ruminants: post-vaccination evaluation in sheep and goats in Southern Peninsular India

VirusDisease (2020)

V. Balamurugan Bibitha Varghese D. Muthuchelvan S. SowjanyaKumari K. Vinod Kumar

Peste-des-Petits-Ruminants

Seroprevalence

Peste-des-petits-ruminants virus

10.1007/s13337-020-00630-x

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Citations (4)

Molecular characterisation of lineage IV peste des petits ruminants virus using multi gene sequence data

Veterinary Microbiology (2014)

K. Senthil Kumar Aravindh Babu R. Parthiban G. Sundarapandian Parimal Roy A. Thangavelu

Peste des petits ruminants is responsible for an economically important plague of small ruminants that is endemic across much of the developing world. Here we describe the detection and characterisation of a PPR virus from a recent outbreak in Tamil Nadu, India. We demonstrate the isolation of PPR virus from rectal swab and highlight the potential spread of disease to in-contact animals through faecal materials and use of faecal material as non-invasive method of sampling for susceptible wild ruminants. Finally we have performed a comprehensive 'multi-gene' assessment of lineage IV isolates of PPRV utilising sequence data from our study and publically available partial N, partial F and partial H gene data. We describe the effects of grouping PPRV isolates utilising different gene loci and conclude that the variable part of N gene at C terminus gives the best phylogenetic assessment of PPRV isolates with isolates generally clustering according to geographical isolation. This assessment highlights the importance of careful gene targeting with RT-PCR to enable thorough phylogenetic analysis.

Peste-des-Petits-Ruminants

Peste-des-petits-ruminants virus

Lineage (genetic)

10.1016/j.vetmic.2014.08.031

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Citations (60)

PESTE-DES-PETITS RUMINANTS (PPR, goat plague)

S. Hemalatha K. Manimaran S Jaisree Parimal Roy S. Gomathinayagam

plague

Peste-des-Petits-Ruminants

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Fatal peste des petits ruminants disease in Chowsingha

Transboundary and Emerging Diseases (2017)

S Jaisree R. P. AravindhBabu Parimal Roy M.G. Jayathangaraj

This communication reports fatal Peste des petits ruminants (PPR) disease in Chowsingha (Tetracerus quadricornis), a member of the subfamily Bovinae and family Bovidae captured in a Zoological Park. The animals showed clinical signs of acute respiratory disease with frothy nasal discharge (1-2 days) and mortality of twenty animals (80%) within 48 hr. Necropsy of dead Chowsingha showed haemorrhagic patches in trachea and severe congestion of lungs and ocular mucosa. There was no characteristic lesion in the intestine. Swabs from trachea and nasal tract along with tissue samples of spleen and lung from dead animals were found positive for PPR virus based on reverse transcription-polymerase chain reaction using H gene and partial N gene-specific primers. Sequence analysis of complete H gene and partial N gene confirmed the aetiological agent as PPR virus lineage IV. The identity of the Chowsingha tissues used for PPRV isolation was confirmed by the 12S ribosomal RNA gene sequencing, and the amplified gene was analysed identically to the Chowsingha mitochondrial 12S ribosomal RNA gene. The present information of PPR in Chowsingha is the first report of PPRV lineage IV causing cross-species fatal disease in subfamily bovinae and family Bovidae. The acute manifestation of the disease indicates high susceptibility of this vulnerable wild bovid species to PPR lineage IV. This report extends host range and demands enhanced surveillance among subfamily bovinae to strengthen PPR eradication programme.

Peste-des-Petits-Ruminants

Subfamily

Peste-des-petits-ruminants virus

Lineage (genetic)

10.1111/tbed.12694

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Citations (14)

Development and evaluation of recombinant antigen and monoclonal antibody based competition ELISA for the sero- surveillance of surra in animals

Journal of Immunological Methods (2018)

P. P. Sengupta Gudepalya Renukaiah Rudramurthy Marco Ligi Siju Susan Jacob H. Rahman

Trypanosoma evansi

10.1016/j.jim.2018.06.013

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Citations (7)

Results of Salmonella Isolation from Poultry Products, Poultry, Poultry Environment, and Other Characteristics

Avian Diseases (2002)

Parimal Roy A. S. Dhillon L. H. Lauerman D. Schaberg D. Bandli

Five hundred sixty-nine Salmonella were isolated out of 4745 samples from poultry products, poultry, and poultry environment in 1999 and 2000 from the Pacific northwest. These Salmonella were identified to their exact source, and some were serogrouped, serotyped, phage typed, and tested for antibiotic sensitivity. Food product samples tested included rinse water of spent hens and broilers and chicken ground meat. Poultry environment samples were hatchery fluff from the hatcheries where eggs of grandparent broiler breeders or parent broiler breeder eggs were hatched and drag swabs from poultry houses. Diagnostic samples were of liver or yolk sac contents collected at necropsy from the young chicks received in the laboratory. Of these samples tested, 569 were Salmonella positive (11.99%). Ninety-two Salmonella were serogrouped with polyvalent somatic antisera A-I and the polymerase chain reaction. Somatic serogroups B and C comprised 95.25% of all the Salmonella. Out of a total of 569 positive samples, 97 isolates of Salmonella were serotyped. A total of 16 serotypes and an unnamed Salmonella belonging to serogroup C1 were identified. The Salmonella serotypes were heidelberg (25.77%); kentucky (21.64%); montevideo (11.34%); hadar and enteritidis (5.15% each); infantis, typhimurium, ohio, and thompson (4.12% each); mbandaka and cerro (3.09% each); senftenberg (2.06%); berta, istanbul, indiana, and saintpaul (1.03% each); and an unnamed monomorphic Salmonella (2.06%). Ninety-two Salmonella were tested for drug sensitivity with nine different antimicrobials. All of the 92 Salmonella were resistant to erythromycin, lincomycin, and penicillin except one sample (S. berta), which was moderately sensitive to penicillin. All of the tested Salmonella were susceptible to sarafloxacin and ceftiofur. The percentages of Salmonella susceptible to sulfamethoxazole-trimethoprim, gentamicin, triple sulfa, and tetracycline were 97.83%, 92.39%, 86.96%, and 82.61%, respectively.

Salmonella enteritidis

Poultry farming

Poultry litter

10.1637/0005-2086(2002)046[0017:rosifp]2.0.co;2

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Citations (105)

AN OUTBREAK OF PPR IN SHEEP AND GOAT AT SALEM DISTRICT OF TAMILNADU

K. Manimaran J. Selvaraj Parimal Roy S Jaisree S. Hemalatha

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Histopathological study of infectious bursal disease and bursal lesion scoring for severity assessment in poultry flocks of Tamil Nadu

Journal of Entomology and Zoology Studies (2021)

R. Bharathi Kumaragurubaran Karthik N. Pazhanivel S. Hemalatha K. Shoba

A retrospective study on histopathological analysis and bursal lesion scoring of Infectious bursal disease (Gumboro disease) was conducted at Central University Laboratory, TANUVAS, Chennai for the period of 34 months from October 2015 to July 2018. In this study, the samples were received from various parts of Tamil Nadu for histopathological examination. A prevalence of 11.36% (119 cases) was recorded out of 1047 poultry cases. The prevalence of IBD is influenced by age of birds with an increase in the likelihood of IBD occurring within the age range of 4-7 weeks. Based on the history received, most of the affected chicken were anorectic, reluctant to move and showed ruffled feathers with watery diarrhoea and severe prostration. The gross lesions like muscle haemorrhages, haemorrhages in the proventricular gizzard junction and enlargement of the bursa of Fabricius were observed. On histopathological examination, 119 cases showed lesions in the bursa, the lesion scores varying from 1 to 5. Out of 119 cases, six samples had a bursal score of 1, thirty-nine samples had a bursal score of 2, fifty samples had a bursal score of 3, twenty-three samples had a bursal score of 4 and one sample had a bursal score of 5. In this study, most of the affected cases belongs to score 2-4, which caused mortality in affected birds. Among them, the birds with lesion score 3 had a higher mortality rate. This study recommends that poultry farmers should be encouraged to improve farm biosecurity and ensure that their birds are vaccinated.

Infectious bursal disease

Flock

Bursa of Fabricius

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Citations (1)