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

Teaser bulls response to oestrus heifers: weather influence on oestrus in barn and loose housing system

H. Haleema1*, A. Prasad2, K.S. Anil1, C. Balusami1, S. Pramod2, Sabin George1 and V.S. Athira1

2025, 56(2), 201-206, 10.51966/jvas.2025.56.2.201-206, June 30, 2025

Effective oestrus detection is essential for optimizing fertility management on dairy farms. This study explores how weather parameters affect oestrus occurrence and the behavioural responses of teaser bulls to oestrus heifers in two housing systems: barn and loose hou…

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  • Research Article

Thermal imaging to evaluate healing of burn wounds treated with colloidal nano silver hydrogel and decellularised bovine omentum in a rat model

Reji Varghese1*, S. Anoop1, Syam K. Venugopal1, S. Sooryadas2, V.N. Vasudevan3, Varuna P. Panicker4, Sudheesh S. Nair5

and K.D. John Martin6

2025, 56(2), 207-212, 10.51966/jvas.2025.56.2.207-212, June 30, 2025

Infrared thermography is a safe, non-invasive and inexpensive imaging technique used for the assessment of depth of burn wounds. The present study was aimed at evaluation of burn wounds from the day of infliction till complete healing using thermography and compare it …

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  • Research Article

The effect of different levels of crude protein and metabolisable energy on the growth performance of White Leghorn male chicks

M.S. Navya1, S. Harikrishnan2*, Binoj Chacko1, Stella Cyriac3, C.S. Suja4 and A. Irshad5

2025, 56(2), 213-219, 10.51966/jvas.2025.56.2.213-219, June 30, 2025

The study was carried out at Avian Research Station of Kerala Veterinary and Animal Sciences University to determine the optimal protein and energy levels for White Leghorn male chicks reared for meat production from 1 to 7 weeks of age. A total of 192 one-day-old chic…

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  • Research Article

Haemato-biochemical changes in mis-mated pregnant dogs treated for termination of pregnancy

Keerthana Komalan1, B. Bibin Becha2*, C. Jayakumar1, Shibu Simon1, R.S. Abhilash1 and S.S. Devi3

2025, 56(2), 220-225, 10.51966/jvas.2025.56.2.220-225, June 30, 2025

Study was conducted to compare the efficacy of mifepristone alone or in combination with cabergoline for termination of unwanted pregnancy in different stages of gestation in dogs by haemato-biochemical evaluation. Twentyfour pregnant dogs with a history of misalliance…

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  • Research Article

Oestrus induction using insulin modified Co-synch protocol in postpartum anoestrus cows

George Mathew1, C.P. Abdul Azeez1*, K. Promod1, Leeba Chacko1 and Renjith Sebastian2

2025, 56(2), 225-260, 10.51966/jvas.2025.56.2.255-260, June 30, 2025

Efficacy of Co-synch and insulin modified Co-synch protocols for the treatment of post-partum anoestrus crossbred cows were studied. True anoestrus was confirmed by per-rectal examination conducted on day 50 and 60 (day 0) post-partum. Twenty-four cows were selected an…

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  • Open Access
  • Research Article

Isolation and molecular characterisation of Malassezia pachydermatis from dogs in Kerala

S. Abhijith1*, Chintu Ravishankar1, R. Rajasekhar1, K. Sumod1, P. Vinu David2, P. Habeeb Biju2, C. Harish3, A. Javed Jameel2, K. Daniel Anju1, Suprativ Sarma1, P. Vishnu1 and K. Sandhiya1

2025, 56(2), 226-230, 10.51966/jvas.2025.56.2.226-230, June 30, 2025

Malassezia spp. are commensals of the normal cutaneous microbiota of animals that may become opportunistic pathogens under certain conditions and cause dermatitis and otitis externa in dogs. In the present study, a total of 47 dogs with clinical signs of pruritus, alop…

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  • Research Article

Pathology and occurrence of canine mammary tumours in Kerala

M.H. Sneha1, P. Hamza1*, A.J. George 1, M. Pradeep1, P. T. Dinesh2, R. Rajasekhar3 and P. Tamilvani 4

2025, 56(2), 231-235, 10.51966/jvas.2025.56.2.231-235, June 30, 2025

Epidemiological and pathological features of 25 canine mammary tumours were investigated. All the tumours were found in female dogs and diagnosed as malignant. The occurrence was higher in intact female dogs (92%) compared to spayed ones (8%). Pure breed dogs were more…

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  • Research Article

Postmortem interval estimation in cats using vitreous potassium: Development of a regression model

F. Almas1, M. Pradeep1*, A. J. George1, B. D. Krishna2, S. S. Devi3, R. Rajasekhar4 and N.K. Mansoor5

2025, 56(2), 236-239, 10.51966/jvas.2025.56.2.236-239, June 30, 2025

Accurate postmortem interval (PMI) estimation is critical in forensic investigations and in vetero-legal procedures. Even though vitreous humour potassium concentration has been studied previously in humans and dogs to estimate PMI, studies on cats are scanty. The pres…

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  • Research Article

Attitude towards conservation of native cattle among the keepers of Vilwadri cattle in Kerala

V. Vinaya1*, Subin K. Mohan1, M. Manoj2*, Marykutty Thomas3, R.S. Jiji1 and P. Vidya1

2025, 56(2), 240-246, 10.51966/jvas.2025.56.2.240-246, June 30, 2025

The study assessed the cattle keepers’ attitudes towards the conservation of Vilwadri cattle. The Vilwadri cattle keepers were identified using key informant and snowball sampling methods, as the animals were disaggregated from their natural breeding tracts and w…

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  • Open Access
  • Research Article

Efficacy of TENS in restoring sensory and motor responses in canine spinal cord injury

S. Preethi1*, Soumya Ramankutty1, Syam K. Venugopal1, K. D. John Martin2, Reji Varghese3 and K. B. Sumena4

2025, 56(2), 247-254, 10.51966/jvas.2025.56.2.247-254, June 30, 2025

Spinal cord injury (SCI) causes remarkable loss of neurological function in dogs. Many therapeutic studies have been conducted, aiming to improve overall function which invariably includes physical rehabilitation. The current study was conducted to evaluate the effect …

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  • Research Article

Molecular investigations on exosome enriched in vitro maturation of bovine cumulus cells: Insights from cumulus cell dynamics

P. Parvathi1, R.S. Abhilash1*, C. Jayakumar1, H.M. Harshan1, K.P. Magnus1, G. Radhika2, E. Kurian3, P. Prathima1 and S.M. Saifudeen3

2025, 56(2), 261-267, 10.51966/jvas.2025.56.2.261-267, June 30, 2025

Cumulus cells, derived from granulosa cells, play a vital role in supporting the maturation and development of oocytes. Exosomes are nanoparticles encapsulating bioactive molecules such as proteins, nucleic acids, enzymes, and metabolites, which are known to modulate c…

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  • Research Article

Evaluation of chemical composition, fibre fractions and carbohydrate and protein partitioning of paddy straw, Guinea grass, and hybrid Napier (CO5)

Lasna Sahib1*, K. Ally2, K.S Ajith2, Biju Chacko1, G. Radhika3 and K.S. Anil4

2025, 56(2), 268-273, 10.51966/jvas.2025.56.2.268-273, June 30, 2025

The nutritional evaluation of fodder resources is essential for optimising ruminant feeding strategies. This study assessed the chemical composition, fibre fractions and CNCPS (Cornell Net Carbohydrate and Protein System) carbohydrate and protein partitioning of paddy …

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  • Research Article

Evaluating the effects of Lactobacillus plantarum, Bacillus subtilis and mannan-oligosaccharides (MOS) on serum protein and lipid profiles in broiler chicken

T.P. Shamna*1, Binoj Chacko1, Stella Cyriac2, G. Simi1, G. Radhika3 and Deepa Jolly4

2025, 56(2), 274-279, 10.51966/jvas.2025.56.2.274-279, June 30, 2025

This study assessed the influence of dietary supplementation with Lactobacillus plantarum, Bacillus subtilis, mannan-oligosaccharides (MOS) and their combinations on serum lipids and protein profiles and immune organ weights in broiler chicken. A total of 216-day-old C…

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  • Research Article

Impact of equilibration on sperm quality in Malabari buck semen: A comparative study of different freezability levels

B. Vigneshwaran1, Leeba Chacko1, K. Promod1, Renjith Sebastain2 , Magnus Paul K3, Muhammed Aslam4 and Anupam Arun5

2025, 56(2), 280-284, 10.51966/jvas.2025.56.2.280-284, June 30, 2025

This study aimed to investigate the alterations in the sperm quality parameters across high and low freezability semen samples of Malabari bucks during post-extension and pre-freeze stages of cryopreservation. A total of 32 semen ejaculates with at least 80 per cent in…

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  • Open Access
  • Research Article

Comparison of breathing rate in cross bred dairy cows across two seasons of highest and lowest temperature-humidity index as an indicator of thermal stress under the humid tropical climate

C. Ibraheem Kutty

2025, 56(2), 285-291, 10.51966/jvas.2025.56.2.285-291, June 30, 2025

Understanding the variations of biomarkers in relation to weather parameters and biological indicators of thermal stress (TS) appears important to minimize the harmful consequences of climatic adversities on health and productivity of the animals. Hence, diurnal patter…

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  • Open Access
  • Research Article

Polymorphism of Mitogen-activated protein kinase 12 (MAPK12) gene in Vechur and Kasargod cattle of Kerala

T.X. Seena1, Elizabeth Kurian2, F.A. Lali1, P.M. Rojan3, K.A. Bindu1, Aziz Zarina4 and K. George Sherin5

2025, 56(2), 292-297, 10.51966/jvas.2025.56.2.292-297, June 30, 2025

The mitogen-activated protein kinase 12 (MAPK12) gene, located on chromosome 5 of the cattle genome and consists of 12 exons. This gene plays a crucial role in sphingolipid signalling and Wnt signalling pathways, both of which are associated with thermo-tolerance in ca…

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  • Research Article

Effect of supplementing multiparous sows with xylanase, L-Carnitine and their combination during maternity on litter performance and survivability of piglets

Jith John Mathew1, M.T. Dipu2*, K. AllyI, K. Lalu3, R. Thirupathy Venkatachalapathy4 and Justin Davis5

2025, 56(2), 298-303, 10.51966/jvas.2025.56.2.298-303, June 30, 2025

A nutritional study was conducted using 24 multiparous Large White Yorkshire (LWY) sows maintained at the Centre for Pig Production and Research (CPPR), Mannuthy from 75th day of gestation till weaning (42nd day of farrowing) to evaluate the effect of supplementing fee…

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  • Research Article

Comparative clinico-pathological studies in occult and overt cardiomyopathies in dogs

C.G. Umesh1, Arun George1*, N. Madhavan Unny1, K. Karthiayini2, V. H. Shyma3 and L. M. Philip4

2025, 56(2), 304-312, 10.51966/jvas.2025.56.2.304-312, June 30, 2025

Dilated cardiomyopathy (DCM), the primary myocardial disease, is the second most prevalent acquired cardiac condition in dogs after mitral valve disease. Although overt forms characterised by prominent clinical signs are typically easier to diagnose, occult cardiomyopa…

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  • Research Article

Evaluation of ozone therapy as an adjunct to the management of otitis externa in dogs

Hareeshma Babu 1*, Laiju M. Philip1, Syam K. Venugopal1, S. Anoop1 and C. Jayakumar2

2025, 56(2), 313-320, 10.51966/jvas.2025.56.2.313-320, June 30, 2025

A study was conducted in twelve dogs showing at least two signs of otitis externa, to evaluate the efficacy of ozone therapy in treatment of otitis externa in dogs. The selected dogs were randomly divided into two groups with six animals each. Group I underwent otic fl…

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  • Research Article

Antimicrobial activity of Eupatorium adenophorum (Crofton weed) extract on Staphylococcus aureus and Escherichia coli isolates from wound infection

Saroj Rai1*and Ruma Jas2

2025, 56(2), 321-324, 10.51966/jvas.2025.56.2.321-324, June 30, 2025

Eupatorium adenophorum plant collected from Darjeeling Himalayan region was selected to analyse its antimicrobial potential against Staphylococcus aureus and E. coli bacteria. Eupatorium adenophorum had a better antimicrobial effect on Staphylococcus aureus (ZOI- 26.00…

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  • Research Article

Evaluation of productive and reproductive performance of crossbred dairy cattle reared under conventional tie barn and loose housing system during summer season

G. Josline Naviya1, Manju Sasidharan1*, C. Balusami1, Surej Joseph Bunglavan2, Amritha Aravind3 and M.K. Aslam Muhammad4

2025, 56(2), 325-331, 10.51966/jvas.2025.56.2.325-331, June 30, 2025

The productive and reproductive performance of crossbred dairy cows kept at conventional tie barn and loose housing system were evaluated. The study was conducted in ULF & FRDS, Mannuthy. Twenty crossbred dairy cows in early lactation were selected and randomly div…

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  • Research Article

Comparative evaluation of mechanical properties of decellularised noncross- linked and cross-linked porcine tunica vaginalis scaffolds

J. P. Abin1, K. B. Dhanush1*, A.J. George2, M. Pradeep2, V. N. Vasudevan3 and K. Pooja2

2025, 56(2), 332-337, 10.51966/jvas.2025.56.2.332-337, June 30, 2025

Biomaterial implants for soft tissue repairs often lack biomechanical properties, leading to deformation and failure in integration and regeneration. Extracellular matrix-based collagen implants are potential candidates, but their mechanical properties vary by extracti…

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  • Research Article

Sero-epidemiological prevalence of leptospirosis among animals in south Gujarat

Dipal Jethwa*, Darshan Chauhan, Tanvi Panwala and Summaiya Mulla

2025, 56(2), 338-342, 10.51966/jvas.2025.56.2.338-342, June 30, 2025

Leptospirosis is one of the neglected tropical diseases affecting humans, as well as wild and domestic animals. Livestock and pets also serve as asymptomatic reservoir hosts and can be a source of infection for humans in contact with them. While leptospirosis is usuall…

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  • Research Article

Aflatoxin B1 detoxification potential of viable and killed Lactobacillus rhamnosus by in vitro method

P. Ayana1, K. S. Ajith1*, K. Ally1, M. T. Dipu2, Deepa Anand1 and Binoj Chacko3

2025, 56(2), 343-347, 10.51966/jvas.2025.56.2.343-347, June 30, 2025

Aflatoxin B1 (AFB1) is a potent mycotoxin produced by Aspergillus flavus and related fungi, posing severe health risks to humans and animals. This study evaluated the aflatoxin detoxification ability of viable and killed Lactobacillus rhamnosus using an in vitro bindin…

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  • Research Article

Evaluating the methane mitigation potential of ginger rhizomes (Zingiber officinale) by in vitro study

R. Balamurugan1*, C. Kathirvelan1 and A. Abinaya1

2025, 56(2), 348-352, 10.51966/jvas.2025.56.2.348-352, June 30, 2025

The study explores the use of ginger rhizomes (Zingiber officinale) to mitigate methane emissions in livestock. In vitro evaluations were conducted to analyse the nutritional composition, phytochemical profile and methane mitigation potential of ginger rhizomes. The cr…

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  • Research Article

Occurrence of ascarid infection in wild felines across different forest ranges in The Nilgiris, Tamil Nadu, India

K. Jeeva1, M. Aravind1, K. Rajesh Kumar2, S.T. Bino Sundar1* and P.N. Richard Jagatheesan3

2025, 56(2), 353-362, 10.51966/jvas.2025.56.2.353-362, June 30, 2025

The paper presents the findings of a systematic study on the occurrence of ascarid infection in wild felines during postmortem examination observed over a period of one year across different forest ranges in the Nilgiris district of Tamil Nadu, India. A total of 25 wil…

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  • Research Article

Constraints Faced by the Private Veterinary Practitioners (PVPs) of Kerala

T.A. Arul Sabareeswaran1, R. Senthilkumar2, Bimal P. Bashir1, S. Sooryadas3 and Anu George2

2025, 56(2), 363-368, 10.51966/jvas.2025.56.2.363-368, June 30, 2025

A study was designed to explore the constraints faced by Private Veterinary Practitioners (PVPs)of Kerala. These practitioners primarily focus on treating pets, domestic animals and wildlife as their main profession and do not receive any kind of salary from any type o…

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  • Research Article

Daily milk yield and its predictors in dairy cows in Jinka city of Ari Zone, Southern Ethiopia

A.S. Kenasew1* and A.A. Kerkela2

2025, 56(2), 369-374, 10.51966/jvas.2025.56.2.369-374, June 30, 2025

A cross-sectional study was conducted in Jinka City, Ari Zone, Southern Ethiopia, from May 2024 to January 2025 to determine the daily milk yield and assess its predictors. The study revealed that the average milk yield was 18.13, 14.5, and 14.47 litres in Arkisha, Meh…

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  • Open Access
  • Short Communication

Molecular surveillance of Salmonella Typhimurium and its respiratory tract pathology in pet birds from Kerala

C. Udhayakumar1, I.S. Sajitha1*, K.S. Prasanna1, K. Krithiga1, S.S. Devi1, R. Bharathi1, Nisna Niyas1, P. M. Priya2 and Asha Rajagopal3

2025, 56(2), 375-378, 10.51966/jvas.2025.56.2.375-378, June 30, 2025

A total of 76 pet bird carcasses were studied for gross lesions and later histopathology. Molecular investigation detected Salmonella typhimurium in 28.6 per cent of psittacine and passerine birds. Twelve out of forty-two and two out of seven psittacine and passerine b…

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  • Open Access
  • Short Communication

Methanolic extraction and phytochemical characterisation of mature fruits of Emblica officinalis

T. R. Sreelekshmi 1, K.S.Prasanna1*, I. S. Sajitha 1, S. S. Devi 2, S. Suja Rani 3 and M. D. Pratheesh4

2025, 56(2), 379-382, 10.51966/jvas.2025.56.2.379-382, June 30, 2025

The study focused on the methanolic extraction of mature fruits of Emblica officinalis (amla) using the Soxhlet extraction method followed by a preliminary screening of its phytochemical content. Methanol was chosen as the solvent due to its ability to extract a wide range of polar phytochemical…

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  • Open Access
  • Short Communication

Detection of mycoplasma in cases of bovine mastitis refractory to antibiotic treatment in northern Kerala#

P. Vishnu1*, Chintu Ravishankar1, R. Rajasekhar1, K. Sumod1, P.M. Deepa2, A. Janus2,
S. Sulficar3, S. Pramod4, Sooraj4, S. Abhijith1, Suprativ Sarma1, K. Sandhiya1 and D. Azhar2

2025, 56(2), 383-386, 10.51966/jvas.2025.56.2.383-386, June 30, 2025

Mastitis is the inflammation of the mammary gland parenchyma and many microorganisms, mostly bacteria are associated with the condition. A study was conducted to assess whether mycoplasma is associated with cases of mastitis that are refractory to antibiotic treatment …

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  • Open Access
  • Short Communication

Occurrence and molecular confirmation of lumpy skin disease among Vechur cattle in Kerala

R. Venkata Manoj1*, P.V. Tresamol1, P. Preena1, M. Manoj2, R. Anoopraj3, K. Justin Davis1, V.H. Shyma1 and K. Vijayakumar4

2025, 56(2), 387-392, 10.51966/jvas.2025.56.2.387-392, June 30, 2025

Lumpy skin disease (LSD) is a notifiable disease caused by LSD virus belonging to the family Poxviridae
and Capripoxvirus genus. The disease is characterised by fever, lymphadenopathy and presence of skin nodules. This
article reports the occurrence of lumpy skin disease among Vech…

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