JVAS announces awards - Four best research articles (one each from basic, production, para-clinical and clinical subjects) and one best short communication will be adjudged for awards each year!!!

Journal of Veterinary and Animal Sciences

Current Issue

  • Open Access
  • Research Article

Histochemical studies on thyroid and parathyroid glands of pig (Sus scrofa)

K. Hemalatha1, M. Santhi Lakshmi1*, P. Jagapathi Ramayya2, P. Veena1, K. Raja1, V. Damini1, M. Kalyan Chakravarthy3 and T.P. Balaji1

2025, 56(4), 551-557, 10.51966/jvas.2025.56.4.551-557, Dec. 31, 2025

The present histochemical study on thyroid and parathyroid glands was conducted on six Large White Yorkshire pigs. Histochemically, the lining epithelium of follicles of the thyroid gland, along with the basement membrane and thyrocolloid, showed intense positive react…

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  • Research Article

Collagen coated HASi granules as a substitute for artificial periosteum for the repair of critical size femoral defects in rat models

Navya P. Shibu1 , P.T. Dinesh1*, B.F. Francis2, M.K. Narayanan3, S. Sooryadas1, N.S Jinesh Kumar1, V. Remya1, M. Pradeep4 and Hamza Palekkodan4

2025, 56(4), 558-565, 10.51966/jvas.2025.56.4.558-565, Dec. 31, 2025

This study evaluated the regenerative potential of a mineralised collagenous periosteum in critical-size femoral defects in rats. A six-millimetre diaphyseal defect was created in the right femur of all animals and was grafted with a hydroxyapatite (HA)-doped collagen …

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  • Research Article

Field evaluation of FAMACHA© in detecting haemonchosis in indigenous sheep of Tamil Nadu: Correlation with volume of packed red cell and faecal egg count

I. Manikkavasagan 1 , M. Raman2*, Azhahianambi P.3, S. T. Bino Sundar4 and A. Serma Saravana Pandian5

2025, 56(4), 566-571, 10.51966/jvas.2025.56.4.566-571, Dec. 31, 2025

The FAMACHA© system was developed in South Africa and has been tested in various geographical regions on sheep for targeted selective treatment with anthelmintics against gastrointestinal parasitism, particularly Haemonchus contortus. This study was undertaken to …

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  • Research Article

Molecular screening of quinolone resistance mutations in clinical Acinetobacter baumannii isolates using a mismatch amplification mutation assay PCR

Asif M. Hebbal¹, Binsy Mathew¹*, B. Sunil1, C. Sethulekshmi¹, G. Radhika2, K. Justin Davis3 and G.K. Sivaraman4

2025, 56(4), 572-577, 10.51966/jvas.2025.56.4.572-577, Dec. 31, 2025

Acinetobacter baumannii is a critical opportunistic pathogen known for its extensive antibiotic resistance. This study was conducted to characterise quinolone-resistant A. baumannii for key genetic markers. From a screening of 450 samples, a total of 32 isolates confir…

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  • Research Article

Doppler indices of umbilical and uterine arteries in singleton and multiple pregnancies of Malabari goats

G. Shalini1*, Amritha Aravind1, C. Jayakumar1, B. Bibin Becha2, V.L. Gleeja3, K.A. Bindu4, and K. Syamala5

2025, 56(4), 578-584, 10.51966/jvas.2025.56.4.578-584, Dec. 31, 2025

The present study evaluated the Doppler indices of the umbilical (UMA) and uterine arteries (UTA) in singleton and multiple pregnancies of Malabari goats. Sixty-eight pregnant goats were categorised into singleton (Group I, n = 32) and multiple pregnancies (Group II, n…

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  • Research Article

Comprehensive pathological and quantitative morphometric evaluation of unilateral renal ischaemia reperfusion injury in rat model

C. Divya1*, S. S. Devi 2, I.S. Sajitha1, K.S. Prasanna1, V.N. Vasudevan3, Laiju M. Philip4, Varuna P. Panicker5, K.R. Naidile1 and P. Gokul6

2025, 56(4), 585-592, 10.51966/jvas.2025.56.4.585-592, Dec. 31, 2025

Renal ischaemia-reperfusion injury (IRI) is a key precipitating factor in acute kidney injury (AKI) and contributes significantly to the development of chronic kidney disease (CKD). Understanding the temporal dynamics of renal tissue alterations following IRI is critic…

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  • Research Article

Radiographic evaluation of healing of critical size calvarial defect treated with silica-collagen-hydroxyapatite biocomposite graft and homologous platelet-rich plasma in rat model

Deny Jennes1*, Laiju M. Philip1, Syam K. Venugopal1, S. Anoop 1, S. S. Devi 2, Leena Chandrasekhar 3 and Francis Boniface Fernandez4

2025, 56(4), 593-599, 10.51966/jvas.2025.56.4.593-599, Dec. 31, 2025

Seventy two adult male Wistar rats were selected and randomly divided into three groups with 24 rats. Calvarium of each rat was subjected to creation of 4.0 mm critical sized defect under general anaesthesia. The defect was treated with silica-collagen-hydroxyapatite b…

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  • Research Article

Occurrence of coccidiosis in chicken from Puducherry

S. Shiyamala1*, S.S. Das2, R. Sreekrishnan2, C. Mathivathani2 and R. Kumar3

2025, 56(4), 600-605, 10.51966/jvas.2025.56.4.600-605, Dec. 31, 2025

A total of 200 chicken intestines, which included (n=150) broilers and (n= 50) desi birds were collected from different locations of Puducherry. The faecal samples were examined both qualitatively and quantitatively for oocyst of Eimeria spp. Out of 200 intestinal samp…

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  • Research Article

Effect of dietary supplementation of fenugreek seed powder on carcass characteristics, immune organs yield and meat quality in broiler chicken

K.S. Amal1*, T.P. Shamna2, Binoj Chacko1, P.G.Vineetha 2, Stella Cyriac3 and K. Syamala4

2025, 56(4), 606-610, 10.51966/jvas.2025.56.4.606-610, Dec. 31, 2025

This study assessed the influence of dietary supplementation of fenugreek seed powder (FSP) on carcass characteristics and meat quality in broiler chicken. A total of 160 day-old commercial broiler chicks (Vencobb-430Y) were randomly allotted to five dietary treatment …

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  • Research Article

Multimodal assessment and management of ascites in dogs: A study on clinical parameters, laboratory findings, imaging features and therapeutic response

S. Kavya1, Mathew K. Manju1, Unny N. Madhavan1, A. Javed Jameel2, Ramankutty Soumya3 and R. Anoopraj4

2025, 56(4), 611-619, 10.51966/jvas.2025.56.4.611-619, Dec. 31, 2025

Ascites, the abnormal accumulation of fluid within the peritoneal cavity, is an important clinical manifestation in dogs, reflecting diverse underlying etiologies. The present study was conducted in dogs with ascites presented to University Veterinary Hospitals, Mannut…

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  • Research Article

Prognostic determinants of survival in dogs with cirrhosis: a clinicopathologic and sonographic approach

D. Akilkumar1, Arun George2*, V. L. Gleeja3, V. J. Udayasree1, N. Madhavan Unny1 and K. S. Prasanna4

2025, 56(4), 620-630, 10.51966/jvas.2025.56.4.620-630, Dec. 31, 2025

Cirrhosis in dogs is the end stage of chronic liver disease, characterised by fibrosis, regeneration and distortion of normal liver architecture leading to portal hypertension and ascites. The present study was carried out at the University Veterinary Hospital, Mannuth…

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  • Research Article

Effect of progesterone receptor antagonists on the resistive index of the umbilical artery and foetal heart rate variations in whelping induction protocols

Sriya K. Manoj1, Shibu Simon2, Choppillil Jayakumar3, B. Bibin Becha3, K. Magnus Paul1 and Sangeetha S. Gireesh4

2025, 56(4), 631-635, 10.51966/jvas.2025.56.4.631-635, Dec. 31, 2025

This study assessed foetal heart rate (FHR) variations and umbilical artery resistive index (RI) as indicators of parturition timing in dogs undergoing induced whelping using two progesterone receptor antagonists, aglepristone and mifepristone. Sixteen pregnant bitches…

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  • Research Article

Effect of supplementation of postbiotics on dry matter intake, nutrient digestibility and rumen fermentation pattern in early lactating crossbred cows

K.P. Shajeem1, Sajith Purushothaman1*, K. Ally1, K.S. Ajith2, Surej Joseph Bunglavan1 and V.L. Gleeja3

2025, 56(4), 636-642, 10.51966/jvas.2025.56.4.636-642, Dec. 31, 2025

A 90-day feeding trial was conducted to evaluate the effects of Saccharomyces cerevisiae postbiotics on  dry matter intake, nutrient digestibility and rumen fermentation pattern in early-lactating crossbred cows. Twenty-four crossbred cows (within 10 days of calvi…

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  • Research Article

Pancreatic regeneration following an acute injury: Evidence from histological, haemato-biochemical and immunohistochemical analyses

P. Shibla Nargees1, K.S. Prasanna1*, I.S. Sajitha1, R. Anoopraj1, C. Divya1, Suresh N. Nair2 and P. Krishna Veni1

2025, 56(4), 643-649, 10.51966/jvas.2025.56.4.643-649, Dec. 31, 2025

Acute pancreatitis is a major gastrointestinal disorder and current management is largely limited to supportive and symptomatic care. The disease manifests with oedema, necrosis, haemorrhage, and inflammatory changes in the exocrine pancreas, while its chronic form rep…

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  • Research Article

Immunohistochemical evaluation of CD4+ and CD8+ tumour infiltrating lymphocytes and their prognostic significance in canine mammary tumours

S. Kalyani Mohan1, K. Krithiga2*, I.S. Sajitha1, K.S. Prasanna1, C. Divya 1, S. Anoop3 and Abhinav Joy1

2025, 56(4), 650-658, 10.51966/jvas.2025.56.4.650-658, Dec. 31, 2025

Tumour-infiltrating lymphocytes (TILs) are critical components of the tumour microenvironment (TME), comprising T cells, B cells and natural killer cells that influence tumour progression and clinical outcome. Among these, CD4+ and CD8+ T cells play pivotal roles, with…

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  • Research Article

Synergistic effects of mannan oligosaccharides and beta-glucans on growth performance and economic efficiency of early weaned piglets

S. Abishek1*, Sabin George2, C. Balusami1, R. Thirupathy Venkatachalapathy3, D.K. Deepak Mathew4, Jith John Mathew5 and E.S. Anusha1

2025, 56(4), 659-665, 10.51966/jvas.2025.56.4.659-665, Dec. 31, 2025

This study evaluated the synergistic effects of a mannan oligosaccharide (MOS) and beta-glucan (BG) blend on growth performance and economic efficiency in early-weaned piglets. Eighteen sows and their litters were randomly assigned to one of three treatments: T1 (weane…

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  • Research Article

Molecular surveillance of Newcastle disease virus in apparently healthy chicken and ducks reared at domestic-wild bird interface regions of Kerala

P. Kushwanth Sai Kumar1, Chintu Ravishankar1*, Naveen Kumar2, R. Rajasekhar1, K. Sumod1, Hamza Palekkodan3, Ashutosh Singh2, B. Jayakrishna1, Banoth Sai Nehru1 and Pooja Kailas3

2025, 56(4), 666-670, 10.51966/jvas.2025.56.4.666-670, Dec. 31, 2025

Newcastle disease (ND) is a highly pathogenic infectious disease of poultry, causing significant economic losses globally. Wild birds act as natural reservoir of Newcastle disease virus (NDV) and spread the virus to domestic poultry. Frequent exposure of backyard poult…

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  • Research Article

Influence of heat stress on the proliferation of bovine adipose-derived stromal cells

K. Harippriya1*, M.D. Pratheesh1, K. Karthiayini1, K. Raji1, T. Sathu 2 and Reji Varghese3

2025, 56(4), 671-675, 10.51966/jvas.2025.56.4.671-675, Dec. 31, 2025

Heat stress is a critical environmental factor influencing cellular physiology and has implications for livestock cell biology and regenerative research. This study evaluated the effects of acute (2 h) and chronic (24 h) heat exposure on proliferation and morphology of…

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  • Open Access
  • Research Article

Morphological and mitochondrial cytochrome oxidase-I gene-based characterisation of Culex quinquefasciatus from central Kerala

S. Anupriya1, Bindu Lakshmanan1*, R. Radhika1, Asha Rajagopal1, K. Syamala1, M.K. Sahala Fathima1, Gouri S. Nair1 and Vrinda K. Menon2

2025, 56(4), 676-681, 10.51966/jvas.2025.56.4.676-681, Dec. 31, 2025

Culex quinquefasciatus is a principal vector of filarial and viral infections and a key contributor to lymphatic filariosis transmission in Kerala, India. Accurate identification of mosquito vectors is crucial for surveillance and control and, morphological differentia…

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  • Research Article

Differential expression of TLR7 and iNOS in chicken experimentally infected with a nephropathogenic infectious bronchitis virus isolate from Kerala

Pallavi Prasad1*, Surya Sankar1, P. M. Priya1, Sreeja R. Nair2, Elizabeth Kurian3 and K. Krithiga4

2025, 56(4), 682-686, 10.51966/jvas.2025.56.4.682-686, Dec. 31, 2025

Infectious bronchitis virus (IBV) is a major pathogen of poultry, with nephropathogenic variants causing persistent infection and economic losses. This study investigated the expression of Toll-like receptor 7 (TLR7) and inducible nitric oxide synthase (iNOS) in broile…

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  • Research Article

Incidence of Blastocystis sp. in chicken from Puducherry, India

S. Shiyamala1*, S.S. Das2, R. Sreekrishnan2 and C. Mathivathani2

2025, 56(4), 687-691, 10.51966/jvas.2025.56.4.687-691, Dec. 31, 2025

The incidence of Blastocystis sp. in poultry from Puducherry, India was recorded in both backyard and broiler chicken. A total of 200 intact whole intestines of both backyard (50 nos.) and broiler chicken (150 nos.) were procured from local chicken outlets as well as f…

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  • Research Article

Standardisation of a multiplex PCR for detection of circovirus and adenovirus in pigeons

P. Santhanalakshmi1*, P.M. Priya1, B.K. Mani1, R. Ambily1, S. Pramod2 and R. Anoopraj3

2025, 56(4), 692-697, 10.51966/jvas.2025.56.4.692-697, Dec. 31, 2025

Young Pigeon Disease Syndrome (YPDS) is an emerging condition in pigeons characterised by high morbidity and mortality, with multiple viral agents implicated in its aetiology. Among these, pigeon circovirus (PiCV) and fowl adenovirus (FAdV) are considered important con…

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  • Research Article

Evaluation of baited eco-friendly delta traps for control of houseflies (Musca domestica) in the poultry farms

Thirunagari Ramanujadas1, S.T. Bino Sundar1,2*, A. Sangaran1, S. Ezhil Valavan3 and Bhaskaran Ravi Latha1

2025, 56(4), 698-704, 10.51966/jvas.2025.56.4.698-704, Dec. 31, 2025

The present study evaluated delta traps baited with oviposition attractant mixture (OAM), (Z)-9-Tricosene and a combination of both (OAM+(Z)-9-Tricosene) in the control of houseflies in the poultry farm. The OAM was prepared with Ethyl palmitate, Ethyl linoleate, Methy…

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  • Open Access
  • Short Communication

C-Arm aided recovery of a fishing slingshot dart from an Indian rock python (Python molurus)

Reji Varghese*, K. Gayathri, Syam K. Venugopal, Laiju M. Philip, S. Anoop, Soumya Ramankutty, B.M. Nijin Jos, R. Ishwarya, S. Preethi and Lakshmi Padmanabhan

2025, 56(4), 705-708, 10.51966/jvas.2025.56.4.705-708, Dec. 31, 2025

An Indian rock python rescued by the Department of Forest and Wildlife, Government of Kerala was brought to the Department of Veterinary Surgery and Radiology, College of Veterinary and Animal Sciences, Mannuthy. The reptile weighing 7 kg was presented in a conscious a…

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  • Open Access
  • Short Communication

A report on eye affections in captive Asian elephants (Elephas maximus) of Kerala state during 2010-2024

Syam K.Venugopal1*, S. Anoop1, Laiju M. Philip1, Reji Varghese1, Soumya Ramankutty1, B.M. Nijin Jos 1, V. Sunilkumar2 and Arun Zacharia2

2025, 56(4), 709-712, 10.51966/jvas.2025.56.4.709-712, Dec. 31, 2025

Kerala, a State of South India has large number of captive Asian elephants (Elephas maximus), mostly tuskers, as tuskers are preferred for temple festivals. Because of large captive elephant population, a greater number of health issues are reported from Kerala and the…

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  • Open Access
  • Short Communication

Rare occurrence of Spirocerca lupi in peritoneal cavity of a dog

Banothu Dasmabai1*, Maddikontla Sowmya1 and Alli Poojasree2

2025, 56(4), 713-716, 10.51966/jvas.2025.56.4.713-716, Dec. 31, 2025

The parasitic nematode Spirocerca lupi primarily affects dogs and other wild canid carnivores which is associated with oesophageal tumours. A 6 year old female dog presented to a private clinic in Hyderabad with dystocia, which finally ended up in the emergency caesari…

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  • Open Access
  • Short Communication

Amplification of haemagglutinin-neuraminidase gene of Newcastle disease virus using novel degenerate primers

B. Jayakrishna1, K. Sumod1*, Chintu Ravishankar1, R. Rajasekhar1, M. Pradeep2, B. Dhanush Krishna3, P. Kushwanth Sai Kumar1 and Banoth Sai Nehru1

2025, 56(4), 717-720, 10.51966/jvas.2025.56.4.717-720, Dec. 31, 2025

Newcastle disease (ND) is a highly infectious disease of numerous bird species, caused by Newcastle disease virus (NDV), and is recognized as a major global poultry disease. In India, serial vaccinations using live lentogenic and mesogenic viruses have been long used a…

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  • Open Access
  • Short Communication

Estimation of cardiac troponin I level in canine parvovirus infected dogs

Sanjay H.V.*, Chetan Kumar. G.K. and M.A. Kshama

2025, 56(4), 721-722, 10.51966/jvas.2025.56.4.721-722, Dec. 31, 2025

Canine parvovirus (CPV) primarily targets gastrointestinal tract, bone marrow and myocardial tissues, with myocarditis mainly seen in foetus and very young puppies. Cardiac troponin I (cTnI) serves as a sensitive biomarker of cardiomyocyte injury. The present study ass…

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