Arun De

• PhD
• PhD at University of Illinois Urbana-Champaign

We could feel that, implementation of organic livestock farming requires an interdisciplinary approach. This statement we strongly justify since successful organic livestock farming requires a triad of intervention in terms of breeding, feeding and housing strategies. Frankly speaking for proper breeding strategies livestock/poultry breeder should...

To improve our knowledge on host-parasite interaction, the study was undertaken on Rhipicephalus microplus infestation in cross breed cattle. This tick, being a voracious blood sucker, remains attached to the skin for prolonged period and inoculates saliva during blood feeding. Biomolecules present in the saliva have detrimental effects on host sys...

The study was conducted to detect the occurrence and phenotypic resistance pattern of ESBL-producing Enterobacteriaceae in livestock using docking based analysis to reveal the classes of antibiotics against which ESBL-producers are active. Rectal swabs from healthy cattle (n=100), goats (n=88), pigs (n=66) were collected from backyard farms in Anda...

Caseous lymphadenitis (CLA), caused by the bacteria Corynebacterium pseudotuberculosis, is a highly contagious disease of small ruminants, especially of goats and sheep. Here, we report an outbreak of the disease in goats for the first time from the Andaman and Nicobar Islands along with isolation and molecular characterization of the pathogen. A t...

Background The increase in global population has elevated the food demand which in turn escalated the food animal production systems, especially poultry industries. For a long time, antibiotics are used worldwide to safeguard animals from diseases and for high production performances. Over usage of antibiotics has led to severe side effects such as...

The research investigates the genetic distinctiveness of Pterocarpus dalbergioides Roxb., commonly known as Andaman padauk, an endemic tree species of the Andaman and Nicobar Islands. The study employs DNA barcoding techniques, focusing on three barcode loci (ITS2, matK , and rbcL ), to discern the species from closely related counterparts within t...

Objective To investigate the effect of Moringa oleifera leaf extract on semen quality parameters in Teressa goat buck. Methods A total of 25 semen samples from six bucks were selected for the study. Spermatozoa of 150× 10 ⁶ were incubated in 0, 300, 500 and 700 μg of leaf extract as group I, II, III and IV, respectively. Liquid stored semen sample...

Woody pepper is a perennial liana of the botanical family Piperaceae distributed in the Andaman and Nicobar Islands in the Bay of Bengal. This species is unique as its stem segments are used as a spice. However, the botanical identity of the species has remained debatable. Hence, this study was performed to resolve the taxonomical confusion. The DN...

Background: Leptospirosis is one of the important zoonotic diseases prevailing in most tropical countries worldwide. The disease is endemic in Andaman and Nicobar Islands, India and affects humans and animals. Due to its zoonotic importance, continuous monitoring and surveillance are important. The present work was conducted to determine the seropr...

The field of forensic entomology (FE), is still in its infancy in India and requires data from all the regions of the country. Precise knowledge regarding the distribution of forensically important insects, their life tables at varying temperatures, etc. is a prerequisite for applying this knowledge in solving homicidal cases. In India, much work o...

Objective: To measure seasonal effects on semen quality profiles, seminal biochemical and oxidative stress attributes in fresh and liquid stored semen in monsoon and dry seasons. Methods: A total of 10 Teressa bucks (3-4 years) were selected from breeding farm, ICAR-Central Island Agricultural Research Institute, Port Blair, Andaman and Nicobar Isl...

This study aimed to investigate the role of a multi-strain probiotic compound containing Bacillus mesentericus, Bacillus coagulans, Enterococcus faecalis, and Clostridium butyricum as an in-feed zinc oxide (ZnO) alternative in growth performance, diarrhea incidence, antioxidant profile, lipid panel, stress, and immunity in piglets at weaning. Seven...

Humpsore is a chronic parasitic dermatitis in bovine species; induces severe economic losses to the dairy farmers. Various therapeutic methodologies were tried to treat humpsore in the past; however, they were partially effective against humpsore. Therefore, the present study was designed to assess the effect of tri-model therapy [macrocyclic lacto...

This is a well-known fact that, climate change (CC) is a major challenge for the human civilization. This has happened because CC affects the biological system in terms of physiology and phenology of the living creatures on the earth. One of the most damaging effects of CC is global expansion of vector borne diseases. Albeit, there are 150 arboviru...

The study investigated the effect of a multi-strain probiotic compound containing Bacillus coagulans, Enterococcus faecalis, Clostridium butyricum and Bacillus mesentericus as in-feed zinc oxide (ZnO) alterna-tive on growth performance, diarrhea incidence, antioxidant status, lipid profile, stress and immunity in weaned piglets. A total of 72 pigle...

Plant breeding is used to develop crops with host resistance to aphids, however, virulent biotypes often develop that overcome host resistance genes. We tested whether the symbionts, Arsenophonus (A) and Wolbachia (W), affect virulence and fecundity in soybean aphid biotypes Bt1 and Bt3 cultured on whole plants and detached leaves of three resistan...

Leptospirosis, a global reemerging zoonosis caused by the spirochete Leptospira, has severe human and veterinary implications. Cell wall hydrolase (LIC_10271) with LytM (peptidase M23) and LysM domains are found to be associated with various pathogenic bacteria. These domains regulate effects on extracellular matrix and biofilm components, which pr...

The performance and productivity in poultry flocks are affected by climate change, especially in tropical islands. This study has been designed to understand the impact of two major seasons viz. summer (February-June) and rainy (July-September) on biochemical and immunological traits in three backyard poultry breeds viz. Desi (non-descript indigeno...

Leptospirosis is a widespread zoonotic disease caused by pathogenic Leptospira. Early and accurate diagnosis is the prime step in managing the disease. Secretory proteins of Leptospira remain distinguished for diagnosis due to their availability as soluble proteins in the serum and their interaction with the host immune response due to their extrac...

The present study was designed to assess the interrelationship between hematological, serum biochemical, and endocrinological profiles and oxidative stress markers and lactational stages in crossbred (CB) dairy cows of Andaman and Nicobar Islands (ANI). Healthy (n = 6) CB cows (50–62.50% exotic inheritance; Holstein Friesian × Andaman local) of 4th...

Andaman and Nicobar Islands, a part of South-East Asia, is enriched with the presence of native breeds of livestock (cattle, pig, goat) and poultry. There are two native goat breeds, viz., Andaman local goat and Teressa goat in Andaman and Nicobar Islands. However, to date, the origin and genetic makeup of these two breeds have not been detailed. T...

This paper examined the pluripotent effect of supplementation of turmeric rhizome powder (TRP) (Curcuma longa) in growing Andaman local pigs. A total of 48 pigs were randomly allotted into four groups and fed diets containing TRP at 4 concentrations, that is, 0 (control group), 0.05 (treatment 1), 0.1 (treatment 2), and 0.2% (treatment 3) for 30 da...

This communication reports an outbreak of immature paramphistomiosis in Andaman local goats (Capra aegagrus hircus) along with report of mortality and gross as well as histopathological changes. During the month of September, 2021 there was report of 38.57% mortality in goats which was investigated in depth. Outbreak occurred at South Andaman distr...

Teressa goat is a unique goat breed in Andaman and Nicobar Islands (ANI) of India. Effects of Flaxseed oil (FSO) supplementation in body weight (BW), scrotal circumference (SC), testicular volume (TV) and testicular weight (TW), endocrinological profiles, sex behavioural profiles (SBPs), oxidative stress markers and semen production and its quality...

Objectives The present study was conducted to detect the occurrence of β-lactamase and biofilm-producing Escherichia coli, Salmonella, and Klebsiella in broilers and native fowl reared in the Andaman and Nicobar Islands, India. The study also included molecular docking experiments to confirm the nature of the catalytic domains found in the β-lactam...

India, with the world’s largest cattle population, is a leading producer of milk, and claims to be self-sufficient for dairy production. However, such an important component for nutritional security has been reported to be adulterated by 68% by the national food safety agency. This study challenges the basic claim of self-sufficiency in terms of mi...

Present study was designed to assess the effect of catalase on post-thaw semen quality parameters (SQPs), sperm kinematics, antioxidant and oxidative stress profiles and sperm cholesterol efflux in mithun (Bos frontalis). A total of 25 ejaculates were selected based on biophysical parameters and each sample was split into four equal aliquots and di...

Andaman cattle is a precious indigenous livestock species endemic to Andaman and Nicobar Islands, India. Till date, origin and genetic makeup of the breed which is warranted for breed conservation is not known. Moreover, the spread of zebu cattle from Indus valley to different parts of Island Southeast Asia (ISEA) is not properly understood. Here,...

Objective The study was designed to evaluate the deleterious e□ects of acute lethal gamma irradiation on male reproductive organs of Sprague Dawley rats and the radioprotective potential by Curcuma longa and Ocimum sanctum in experimental set up. Methods 25 Male Spraque Dawley rats were taken and randomized into 5 groups (T1, T2, T3, T4, T5). Each...

Nicobari fowl constitute an endemic poultry germplasm of Andaman and Nicobar Islands, India. Genetic diversity, population structure and ancestry of Nicobari fowl were analysed with mitochondrial D-loop sequences. Analysis of complete D-loop sequences (1231-1232 bp) showed 46 polymorphic sites resulting in 26 haplotypes with overall haplotype diver...

Andaman local goat (ALG) is an endemic goat germplasm of Andaman and Nicobar Islands, notable for its adaptability to the hot and humid climate of these islands. Due to lack of a proper breeding plan and indiscriminate crossbreeding, the breed is under threat and its population is on a declining trend. Designing and implementation of a proper breed...

The tick, Rhipicephalus microplus is considered as the most notorious ectoparasite of veterinary importance in tropical and sub-tropical regions of the world. The present study deals with the molecular characterization of R. microplus in different regions of Andaman and Nicobar Islands using sequence information of mitochondrial cytochrome C oxidas...

The present study assessed the physiological antioxidant status of goats reared under the humid tropical island ecosystem of the Andaman and Nicobar Islands (ANI). From 2019 to 2020, 25 multiparous non-pregnant does with three to six kidding records maintained in the organized farm of Central Island Agricultural Institute (CIARI) and farmer’s field...

The domestic goat is a livestock species of global importance due to its ability to adapt to different agro-climatic conditions. The present study deals with the mitogenome signature of Teressa goat, a registered goat germplasm of Andaman and Nicobar Islands. Teressa goat mitogenome was 16640 bp in length with 13 protein coding genes (PCGs), 22 tRN...

The present study was outlined to appraise the interrelation between heamatological, blood metabolic profiles and lactation stages in crossbred (CB) dairy cows in ANI. Healthy (n = 18) CB cows with age of 5–7 years were selected from cattle breeding farm, ICAR-CIARI, Port Blair, ANI. Heamatological profiles, serum biochemical profiles, oxidative st...

Mesenchymal stem cell is a potent tool for regenerative medicine against control of incurable diseases in human and animals. Diabetes mellitus is one such condition marked with the blood glucose is high due to lack of insulin (INS) hormone secreted by the pancreatic cells. Rare, but sporadic, cases of dysfunctional pancreatic cells in goat as well...

Objective To measure the seasonal effect on endocrinological profiles and sex behavioural profiles during rainy and dry summer seasons in male Andaman local goat in Andaman and Nicobar Islands, India. Methods Ten adult male Andaman local goats were selected from the goat breeding farm, ICAR-Central Island Agricultural Research Institute, Port Blai...

The present study was designed to assess the effect of superoxide dismutase (SOD) on post thaw semen quality parameters (SQPs), kinetic profiles and seminal biochemical profiles in Mithun. Ejaculates (25) were split into four equal aliquots after dilution with Tris-citrate-glycerol (TCG) extender, viz. Group I (control), Group II, III and IV contai...

Present study was designed to evaluate the effect of slow release exogenous melatonin on endocrinological profiles for 24h in adult mithun bulls during different seasons (winter, spring, summer and autumn). Mithun bulls (n=12) were selected and divided into two groups, viz. Gr I: Control (n=6) and Gr II: Treatment (n=6; Melatonin implant @ 18 mg/50...

This communication is the first report on the mitochondrial lineage of Andaman wild boar based on mitochondrial D-loop sequence information. Andaman wild boar is an endangered endemic species of the Andaman & Nicobar archipelago. D-loop sequence information of Andaman wild boar (MT024628-29) was compared with endemic Sus species of Southeast Asia,...

Andaman and Nicobar Islands (ANI) have non-defined and non-descriptive breed of buffaloes. Andaman local buffaloes (ALB) are distributed in Andaman group of Islands and few numbers are available in Campbell Bay and Nicobar group of Islands. Andaman local buffaloes represent an admixture of different Indian breeds that had been brought to these isla...

Andaman local goat (ALG) is meat animal in Andaman and Nicobar islands (ANI) of India. Present study was conducted to measure the seasonal effect on physiological and haematological profiles, scrotal circumference (SC) and testicular weight during rainy and dry summer seasons in ALG. A total of 10 adult intact ALG bucks (body condition score: 3.0-3...

Hydatidosis or cystic echinococcosis (CE) is caused by the larval stage of the tapeworm Echinococcus granulosus. This parasite is cosmopolitan in distribution and causes significant economic losses to the meat industry, mainly due to condemnation of edible offal. Echinococcosis treatment in human is very expensive as it requires extensive surgery o...

Andaman and Nicobar Islands have two different genetic groups of cattle namely Andaman local cattle and Trinket cattle. Andaman local cattle are distributed in Andaman group of Islands and Campbell Bay of Nicobar group of Islands. Andaman local cattle are non-descriptive and represent an admixture of different Indian breeds that had been brought to...

Background: FAffaMAlanCHArt (FAMACHA) is a technique for treating the animals infested with gastrointestinal parasites by using clinical anaemia as the determinant. The test is based on the assessment of colour variation of the conjunctival mucous membrane. Methods: In the present study FAMACHA has been standardized and used to correlate the anaemi...

This study reports the prevalence of coccidiosis in Andaman local goat, a native goat breed of Andaman and Nicobar Islands, India. The duration of study was one year. Maximum oocyst output was seen in kids of <6 months of age in month of March followed by in November, July, August, October, September, December, May and April. More oocyst count in k...

Nicobari pig is reared by Nicobarese, a native tribal population of Andaman and Nicobar Islands. Nicobari pig has maintained its genetic identity due to geographical isolation. This communication is the first report on maternal inheritance of Nicobari pigs. DNA polymorphism data showed seven haplotypes. D-loop sequence information and mitogenome an...

The present study was carried out to assess the effect of repeat breeding syndrome (RBS) on heamatological, antioxidant, oxidative stress and endocrinological profiles in crossbred cows under tropical island ecosystem of Andaman and Nicobar Islands. Each of the twelve number of cows was selected (which were affected with repeat breeding syndrome) a...

Andaman local buffalo (ALB) is distributed in Andaman and Nicobar Islands. ALB is non-descriptive and represents admixture of different Indian breeds of buffaloes. ALB is suffering infertility due to anestrus in dry (summer) season. Therefore, this study was conducted to assess the effect of slow release subcutaneous exogenous melatonin (MT) implan...

Transportation of farm animals is a routine management practice. During transportation, animals experience physiological and psychological stress which has negative consequences on health and welfare of animals. Effect of transportation on pig health and welfare in island ecosystem is not properly known. Here, we report the effect of transportation...

A study was carried out to assess the effect of postpartum anestrus (PPA) on haematological, antioxidant and endocrinological profiles in crossbred cows under tropical island ecosystem of Andaman and Nicobar Islands. Based on the records, the cows that had shown anestrous for more than 120 days were selected in PPA group while cows coming in estrou...

Background: Mesenchymal stem cells (MSCs) is a new herald for regenerative medicine for control of incurable diseases in human and animals. Diabetes occurs when the blood glucose is high due to lack of insulin hormone secreted by the pancreatic cells. The global diabetes in 2019 is estimated 463 million people and rising to 578 million by 2030. Met...

Stephanofilariasis or humpsore is a chronic parasitic dermatitis of cattle. Various treatment regimens were attempted in the past but were found to be partially effective. Here, we claim a successful treatment regime using an FDA-approved macrocyclic lactone, a piperazine derivative, and an herbal preparation. Twenty-four cattle (18 affected and 6...

Andaman and Nicobar Islands are endowed with immaculate flora and fauna biodiversity. Among the indigenous livestock species, pig occupies 27.26%. Andaman and Nicobar Islands have three different categories of domestic pig groups/breeds. Andaman Local pig is prevalent in Andaman group of Islands (South, Middle and North Andaman); Nicobari pig is in...

Domestic ducks are of paramount importance as a cheap source of protein in rural India. Andaman local duck (ALD) is an indigenous avian genetic resource of Andaman and Nicobar islands (ANI) and is mainly distributed in Middle and Northern parts of these islands. Negligence has brought this breed on the edge of extinction necessitating immediate con...

Mithun (Bos frontalis) is a unique domestic free-range bovine species available in North Eastern hilly (NEH) regions of India and is reared for its protein rich meat. Mithun suffers severe non-cyclical population fluctuations; however, it is not yet declared as endangered species. Mithun follows some sort of seasonality based on the calving trend a...

The present study was carried out to assess the effect of endometritis on hematological, physiological, antioxidant, oxidative and endocrinological profiles in crossbred cows under tropical island ecosystem of Andaman and Nicobar Islands. Each 12 number of cows affected with clinical endometritis was selected as group 2 and without endometritis as...

Trinket cattle is a highly endangered feral cattle of Trinket Island, linked with the colonial history of Andaman and Nicobar Islands. Danish people during their colonial time introduced these cattle in Trinket Island. Great Sumatra earthquake and Indian Ocean Tsunami in 2004 has forced these cattle to become feral in nature. Due to negligence, the...

Background: Transmission of antibiotic resistance from animal food chain to human through animal food-borne pathogens have led to increased public concern. Wider surveillance on prevalence of antibiotic resistance in E. coli will provide information on evolution of resistance in various geographical locations. The purpose of this study was to inves...

The disease trend of livestock and poultry indicated that very few deadly viral and bacterial diseases are prevalent in the A & N Islands. The prevalence of parasitic diseases is reported to be very high in almost all parts of the Islands. An understanding of the epidemiology of disease is crucial for the development and implementation of effec-tiv...

Simple Summary Scabies or mange caused by Sarcoptess cabiei is the latest addition of WHO’s list oftropical neglected diseases. It causes severe itching to the host. It has a wide host range including humans, farm animals, companion animals, and wild animals. It is anemerging/re-emerging disease with high prevalence in underdeveloped and developing...

Trinket cattle are the inhabitant of a small island called Trinket, which is one of the picturesque islands of Andaman. This herd is thought to be of Danish leftover during their dynasty in Nicobar archipelago. When the island was abandoned by foreign invaders, indigenes utilized the animals for the purpose of meat. As a result, the cattle became s...

Background: Teressa goat is an indigenous goat breed of Andaman and Nicobar Islands. These goats are mainly distributed in the Nicobar group of islands, however, sparse population is also available in the Andaman Islands. In order to understand the genetic diversity and variation among the population of Teressa goat, the studies on the molecular ch...

Nicobari pig is semi-feral, reared in free-range system with very low level of management. However, its population has been significantly reduced due to and after Tsunami in 2004. No systematic study has been conducted to explore the production potential of Nicobari pig. Therefore, a systematic comparison study was conducted between intensive and f...

A study was carried out to assess the effect of retention of placenta (ROP) on hamatological, physiological, antioxidant and endocrinological profiles in crossbred cows under tropical island ecosystem of Andaman and Nicobar Islands. Each six number of cows was selected which were affected with ROP as group 2 and without ROP as group 1. These cows w...

Background: Teressa goat is an indigenous goat breed of Andaman and Nicobar Islands. These goats are mainly distributed in the Nicobar group of islands, however, sparse population is also available in the Andaman Islands. In order to understand the genetic diversity and variation among the population of Teressa goat, the studies on the molecular ch...

The present study was carried out to assess the effect of endometritis on hematological, physiological, antioxidant, oxidative and endocrinological profiles in crossbred cows under tropical island ecosystem of Andaman and Nicobar Islands. Each 12 number of cows affected with clinical endometritis was selected as group 2 and without endometritis as...

Indigenous poultry farming is of great significance in nutritional security of rural farmers, however cytokine profile of native poultry has been studied a little. Nicobari fowl, a native chicken of Andaman and Nicobar Islands are never vaccinated. However, this population continues to survive in harsh environments for generation to generation. Thu...

The disease trend of livestock and poultry indicated that very few deadly viral and bacterial diseases are prevalent in the A & N Islands. The prevalence of parasitic diseases is reported to be very high in almost all parts of the Islands. An understanding of the epidemiology of disease is crucial for the development and implementation of effective...

Abstract For proteome analyses, the tissue samples are mostly preserved either snap frozen or formalin-fixed, paraffin-embedded form. Use of RNAlater—a non-toxic solution primarily used to stabilize the RNA content of samples—in tissue preservation for proteome analysis recently described equally reliable with snap-frozen preservation in human tiss...

Mithun (Bos frontalis) is a unique domestic free-range bovine species available in North Eastern hilly (NEH) regions of India and is reared for its protein rich meat. Although, mithun suffers from severe non-cyclical population fluctuations, it is not yet declared as endangered. Therefore, present study was conducted to assess the effect of slow re...

Arsenic is an ecotoxicant that has been found to affect both mammal and avian population. The present study deals with the arsenic deposition in different immune organs of arsenic exposed broiler chicken. Further, its effect on immune cell function and histological alteration was investigated. The study revealed that bursa and liver were the most a...

A study was conducted to determine the optimum dosage of the exogenous cholesterol‐loaded‐cyclodextrins (CLC) to get maximum cryoprotection for bubaline spermatozoa. In the present study, 120×106 spermatozoa were incubated in 2, 3 and 4 mg of CLC as grouped as Gr II, III and IV, respectively and sperm progressive motility, intracellular Ca2+, capac...

The present study was carried out to assess the effect of endometritis on hematological, physiological, antioxidant, oxidative and endocrinological profiles in crossbred cows under tropical island ecosystem of Andaman and Nicobar Islands. Each 12 number of cows affected with clinical endometritis was selected as group 2 and without endometritis as...