Fish Nutrition & Physiology Division

Fish Nutrition and Physiology Division








HOD (I/C), Principal Scientist


Dr. K.N. Mohanta

Principal Scientist


Dr. P.V Rangacharuyulu

Principal Scientist (RRC,Vijayawada)


Dr. B.N. Paul

Principal Scientist (RRC, Rahara)


Dr. K. C. Das

Principal Scientist


Dr. S. C. Rath

Principal Scientist


Dr. A. Saha

Principal Scientist


Nitish Kumar Chandan



Rakhi Kumari



Dr.Siddaiah G. M.



S. Nayak

Technical Officer


A. K. Behera

Technical Assistant


A.C Bhoi

Skilled supporting staff


G. C. Upadhyay

Skilled supporting staff



  • Basic and strategic research to develop feed for various life stages of Freshwater fishes
  • Human Resource Development through training, education and extension


Thrust areas:

  • Development of database on regional specific feedstuff and seasonal variation in nutrient composition of feedstuff
  • Study on essential amino acid and vitamin requirement of freshwater fishes
  • Accurate quantitative requirements for essential fatty acid particularly during larval development and maturing brood stock
  • Feeding protocol and feed quality standards for diversified species
  • Nutrient and energy budget in fed fish culture
  • Optimization of inclusion level of non-conventional feed resources in fish feed
  • Nutrient-gene interaction studies in fish
  • Feed additive for promotion of productivity and growth in freshwater aquaculture
  • Neuropeptide regulation of reproduction in fishes
  • Climate change on reproductive physiology in fishes
  • Development of finisher diets for fish
  • Development of appropriate feed processing technology for improving the feed and nutrient use efficiency.
  • Microbial nutrition
  • Nutraceuticals and functional food aids

Salient achievements:

  • Development of feeds for Pangas larval and grow-out stages
  • Development of larval diet for Magur
  • Development feeding strategy for carp culture based on the compensatory growth phenomenon of fish
  • Improving the protein use efficiency of carp diet by feeding the fish at sub-optimum and optimum protein levels and utilizing the protein sparing effect of carbohydrate
  • Up to 30-40 % of Mohua oil cake can be incorporated in carp feed without hampering growth and can produce the cost effective diet
  • Farm-made feed demonstration, training and awareness programmes conducted in Odisha, West Bengal and Chhattisgarh under outreach programme on fish feed
  • Antioxidant activities of some aquatic plants are assayed and evaluated in fish feed
  • Determination of optimum protein requirement of Puntius carnaticus
  • Dietary protein, lipid and carbohydrate requirement of bata and dietary protein and lipid requirement was worked out for Ompok  pabda
  • Agro industrial wastes viz., dried distiller’s grain soluble, breweries waste and ghee residue was evaluated as feed ingredients for Indian Major Carp
  • Different plant attractants was evaluated for Indian Major Carp and Ompok Pabda.
  • Nutrient Profile was worked out for Rohu (Labeo rohita), Mrigal (Cirrhinus mrigala), Catla (Catla catla), Koi (Anabas testudineus), Singhi (Heteropneustes fossilis) and Magur (Clarias batrachus
  • Rain tree pod (Samaneasaman),  Mast tree seed, (Pollyalthealongifolia), Indian doomba seed or polanga (Calophyluminnophylum) and Mohua oil cake(Brasialatifolia) were evaluated as the nonconventional fish feed ingredients
  • Developed a protocols to incorporate raintree pod as a non-conventional ingredient in carp feed and prepared mash, sinking pellet and floating pellet with rain tree pod as major ingredient
  • Evaluated feed with rain tree pod, partially replacing the  ground not oil cake in pond culture of Indian major carps
  • Mohua oil cake has been identified as growth promoter in carp feed
  • Developed a FRP brood care unit and Ferro-cement brood rearing system
  • Enrichment of fish fillet with EPA and DHA through dietary intervention
  • The interactive influence of the proteins sources and their lipid component over the amylase activity in releasing maltose and thereby glucose, the ultimate energy source for the fish, from different carbohydrate sources was deduced
  • Selection of soybean meal as the plant protein source and fishmeal as the animal protein source in the feed may overcome the visceral fat formation in the fish when rice bran is used as the carbohydrate source
  • A feed was developed for promotion of maturity in pulchellus females and males.
  • Macronutrient requirement for carnaticus fingerlings was worked out.
  • Developed a floating feed frame and its operation procedure to reduce the loss of floating feed and its easy operation.
  • Developed an “e-learning module on carp feed” for  student, researchers, teachers and farmers  in freshwater  aquaculture sector
  • A feed was developed for pulchellus fry and fingerlings with very good acceptability
  • Gonadal maturation and breeding of rohu during all quarter of the year
  • Double breeding of rohu during off-season
  • Understanding the role of kissspeptin in carp reproduction
  • GnRH: molecular characterization and its role in photo-thermal induced gonadal development in Indian major carp
  • Studied the role of gonadotropin and its receptors during photothermal manipulation of reproduction in rohu


Service offered:

  • Proximate composition of final products and feed ingredients


  • Feed testing laboratory
  • Digestibility lab
  • Indoor experimental unit
  • Outdoor experimental ponds
  • Climatology laboratory
  • Feed mill




  • Starter M (Magur larval feed)
  • Starter Pangas (Pangas larval feed)
  • Pangas grow-I (Pangas fry feed)
  • Pangas grow-II ( Pangas fingerling feed)
  • Pangas grow-out floating feed with 30% CP
  • GRAM-CA-FEED ( Grow-out farm-made feed for carp)
  • Carp nursery (fry) feed
  • Floating carp feeds with low-cost  local ingredients (Til oil cake and mustard oil cake)
  • Floating carp feeds with  non-conventional ingredients like  rain tree pod 
  • Fish feed incorporating linseed sludge (oil mill waste)
  • Fish Feed Standards for BIS (Bureau of Indian Standards)


Recent Publications

Mohanta, K. N.,Rath, S.C., Nayak, K.C., Pradhan, C.,Mohanty, T.K., Giri, S.S., 2016. Effect of restricted feeding and refeeding on compensatory growth, nutrient utilization and gain, production performance and whole body composition of carp cultured in earthen pond. Aquaculture Nutrition doi: 10.1111/anu.12414, 1-10.

Pai, I.K., Altaf, M.S., and Mohanta, K.N., 2016. Development of cost effective nutritionally balanced food for freshwater ornamental fish black molly (Poecilia latipinna).Journal of Aquaculture Research & Development, 2016, 7:2.

Saha A, Pradhan A, Sengupta S, Nayak M, Samanta M, Sahoo L, Giri SS., 2016. Molecular characterization of two kissgenes and their expression in rohu (Labeo rohita) during annual reproductive cycle. Comp Biochem Physiol B BiochemMol Biol.191:135-145.

Ananda Kumar, B. S., N. Sridhar and P. Jayasankar, 2016. Bacteriophages: Potential alternatives to antibiotics for the control of bacterial pathogens in freshwater aquaculture. Aquaculturetimes, 1 vol. 2(1) 25-31.

Chanda, S., B. N. Paul, K. Ghosh and S. S. Giri, 2015. Dietary essentiality of trace minerals in aquaculture-A Review. Agri. Review, 36(2):100-112. DOI: 10.5958/0976- 0741.2015.00012.4

A  Pradhan, M Nayak, S Sengupta and A Saha. 2015. Molecular cloning and expression analysis of luteinizing hormone receptor during different stages of gonadal development in Indian major carp, rohu (Labeo rohita). In Proceedings of International Symposium on Reproductive physiology and comparative endocrinology”, during 25-28 Feb.2015 at BHU, Varanasi, India. pp94.

Nayak M, Saha A and Giri S.S., 2015. Fatty acid profile of fillet and liver and proximate composition of Puntius gonionotus and Puntius sarana. Indian J. Anim. Nutr.32 (4): 433-438.

Mohanta, K.N., Subramanian, S. and Korikanthimath, V.S., 2015. Potential of earthworm (Eiseniafoetida) as dietary protein source for rohu (Labeo rohita) advanced fry. Cogent Food & Agriculture (Accepted for publication, online first article, Taylor & Francis Publication).

Sarkar, S., Mohanty, S.N., Nayak, K.C., Pradhan, C., Mohanta, K.N. and Devaraj, C., 2015. Protein requirement of IR-Jayanti (Labeorohita) fingerlings. International Journal of Fisheries & Aquaculture (Accepted for publication).

Singh P., Paul, B.N., Rana G.C., Mandal R.N., Chakrabarti P.P. and Giri, S.S. (2015). Evaluation of Ghee Residue as Feed ingredient for Labeo rohita. Indian Journal of Animal Nutrition, 32 (1): pp. 101-107.

K.C. Das, S. Toppo, T. Mohanty, C. Pradhan, K.N. Mohanta and  S. S. Giri, 2015. Cost effective floating feeds for Indian Major Carps (lMC) by replacement of soybean meal with alterative feed ingredients. Indian Journal of Animal Research (Accepted for publication).

Das, K. C., S. Toppo, T. K. Mohanty, C. Pradhan, K.N. Mohanta and S. S. Giri, 2015. Cost effective floating feeds for Indian Major Carps (IMC) by replacement of soyabean meal with alternative feed ingredients. Indian J. Ani. Res.Print ISSN:0367-6722/ Online ISSN:0976-0555.

Mohanta, K.N., S.Subramanian and V.S. Korikanthimath, 2015. Effect of different animal protein sources on growth and dietary performance of guppy, Poeciliareticulata.Proceedings Zoological Society of India (PZOS-D-12-00041; appeared as online first article; Springer Publication).

Paul, B. N. and S. S. Giri, 2015. Evaluation of Plant based attractants in the diets of Labeo rohita fingerlings. Anim. Nut.. Feed Tech.,15: 289-294. doi: 10.5958/0974- 181X.2015.00032.3.

Paul, B. N. and S. S. Giri, 2015. Freshwater aquaculture nutrition research in India. Indian J. Anim. Nutr.,32(2): 113-125.

Paul, B. N., S. Chanda, N. Sridhar, G.S. Saha and S.S. Giri, 2015. Proximate and mineral composition of magur (Clarias batrachus) and singhi (Heteropneustes fossilis). Indian J. Anim. Nutr., 32(4): 453-456.

Paul, B. N., S. Chanda, S. Das, N. Sridhar, G.S. Saha and S.S. Giri, 2015. Seasonal variation in proximate and mineralcomposition of koi, (Anabas testudineus, Bloch 1792). Anim. Nut. Feed Technol, 15: 465-470.

Paul, B. N., S., Chanda, N., Sridhar, G.S. Saha, and S.S. Giri, .2015..Fatty acid profile of Indian major carp.Indian J.. Anim. Nutrit., 32(2): 221-226.

Nayak, M., A. Saha and S. S. Giri, 2015. Fatty acid profile of fillet and liver and proximate composition of Puntius gonionotus and Puntius sarana. Indian.J. Anim. Nutr., 32 (4):433-438.

Sarkar, S., S. N. Mohanty, K. C. Nayak, C. Pradhan, K. N. Mohanta, C. Devaraj, 2015. Protein requirement of IR- Jayanti (Labeo rohita) fingerlings.Int. J. Fish. Aquat. Stud., 3(2):324-330.

S.C. Rath, K.C. Nayak, K.N.Mohanta, C. Pradhan, P.V. Rangacharyulu, S.K. Sarkar and S.S.Giri, 2014. Nutritional evaluation of rain tree (Samaneasaman) and its incorporation in the diet of Labeo rohita larvae as a non-conventional feed ingredient.Indian Journal of Fisheries (Accepted, in press).

S.C. Rath, K.C. Nayak, C. Pradhan, T.K. Mohanty, S. Sarkar, K.N. Mohanta, B.N. Paul, and S.S. Giri, 2017. Evaluation of processed rain tree (Samanea saman) pod meal as a non-conventional nngredient in the diet of Catla catla fry. Animal Nutrition and Feed Technology, 17 : 323-332.

Devaraj C., S. N. Mohanty, S. C. Rath, S. Sarkar and S. S. Giri (2014) Fasting and postprandial energy metabolism in Jayanti rohu, Labeo rohita fry fed on variable protein containing diets. International Journal of Research in Fisheries and Aquaculture 4(1): 14-17.

S.Mohapatra, T. Chakraborty, A. K. Prusty, K. Paniprasad and K.N.Mohanta, 2014.Beneficial effects of dietary probiotics mixture on hemato-immunology and cell apoptosis of Labeorohita fingerlings reared at higher water temperatures. PLOS ONE, 9(6):e100929-.e100929.

Mohapatra, T. Chakraborty, A. K. Prusty, K. Paniprasad and K.N.Mohanta, 2014. Dietary multispecies probiotic supplementation enhances the immuno-hematological responses and reduces mortality by Aeromonas hydrophila in Labeo rohita fingerlings. Journal of World Aquaculture Society, 45(5): 532-544.

Das, K. C., Paul S. S., Sahoo L., Baruah K. K., Subudhi P. K., Ltu K.,Rajkhowa, C., 2014. Bacterial diversity in the rumen of mithun (Bos frontalis) fed on mixed tree leaves and rice straw based diet. African Journal of Microbiology Research, 8 (13), pp.1426-1433.

Gangadhar, B., N. Sridhar, S. Saurabh, C. H. Raghavendra, K. P. Hemaprasanth M. R. Raghunath and P. Jayasankar, 2014. Growth Response of Cirrhinusmrigalafry to Azolla (Azollapinnata) - incorporated Diets. FisheryTechnology51: pp. 156 – 161.

Mohanty, B. P., Mahanty, A., Ganguly, S., Sankar, T.V., Chakraborty,K., Anandan,R., Paul,B.N., Sarma,D., Mathew,S., Asha,K.K., Behera,B.K., Afftabuddin,M., Debnath,D., Vijaygopal,P., Sridhar,N., Akhtar,M.S., Sahi,N., Mitra,T., Banerjee,S.,Paria,P., Das,D., Das,P., Vijayan,K.K., Lamanan,P.T. and Sharma, A.P. 2014. Amino Acid composition of 27 Food fishes and their importance in Clinical Nutrition. J. Amino Acid, 1: pp. 1-7. 10.1155 /2014 / 269797.

Pradhan, C., S.N. Mohanty, S.C. Rath and S.S. Giri, 2014. Influence of feeding an all plant ingredients containing diet at different levels on growth and digestive enzyme activity of pond raised indian major carps. Animal Nutrition and Feed Technology,14: pp. 251-262.

Paul, B. N., B. K Pandey. and S. S. Giri, 2014. Effect of plant based feed attractants on growth of Cirrhinus mrigala fingerlings. Animal Nutrition and Feed Technology, 14: pp. 393-398.

Paul, B. N., Chanda,S., Das,S., Singh,P., Pandey, B.K. and Giri,S.S. 2014. Mineral Assay in atomic absorption spectroscopy. Beats of Natural Sciences, 1(4): pp. 1-17.

Paul, B. N.,S. Chanda and S. S. Giri, 2014. Effect o f Feeding frequency on growth performance  of Ompok pabdafry. Indian Journal of Animal Nutrition,31(2): pp. 200-202.

Rath, S. C., K. C. Nayak, K. N. Mohanta, C. Pradhan, P. V. Rangacharyulu, S. Sarkar, S. S. Giri, 2014.Nutritional evaluation of rain tree (Samanea saman) pod and its incorporation in the diet of rohu (Labeo rohita hamilton) larvae as a non-conventional feed ingredient. Indian Journal of Fisheries, 61 (4) pp. 104 110.

Sahoo, S. K., S. S. Giri, M. Paramanik and S. Ferosekhan. 2014. Preliminary observation on the induced breeding and hatchery rearing of an endangered catfish, Horabagrus brachysoma(Gunther). International Journal of Fisheries and Aquatic Studies, 1(5): pp. 117-120.

Sridhar, N. M R Raghunath, K.P. Hemaprasanth, C. H. Raghavendra and A.E. Eknath, 2014. Induced breeding of threatened Indian medium carp Puntius pulchellus. Indian Journal of Animal Sciences, 84 (12): pp. 1334–1340.

Singh, P., A. Mukherjee, G. C. Rana, R. N. Mandal, P. P. Chakrabarti and B. N. Paul, 2014. Evaluation of Breweries waste in the feed of  Catla catla fingerlings, Indian Journal of Animal Nutrition, 31(2): pp. 187-191.

Chinmayee Mohapatra, Swagat Patra, Rudra Prasanna Panda, Ramya Mohanta, Ashis Saha, Jitendra Nath Saha, Kanta Das Mahapatra , Pallipuram Jayashankar and Hirak Kumar Barman, 2014. Gene structure and identification of minimal promoter of Pou2 expressed in spermatogonial cells of rohu carp, Labeo rohita. Molecular Biology Reports, 41:4123–4132.

Ashis Saha, Avinash Pradhan, S.C. Rath and S. S. Giri.2014. Breeding of rohu during November- December months of the year.In Proceedings of “The 10th Indian Fisheries and Aquaculture Forum Conference” during 12-15th November 2014 at NBFGR, Lucknow, pp111.

Biplab Sarkar, ArabindaMahanty, Ashis Saha, Arttatrana Pal, ParthaBandyapadhyay, Sampad Kumar Sarkar, SubhenduAdhikari and S. Ayyappan.2014. Impact of cypermethrin and carbofuran on the ovarian cycle of the Indian major carp, Labeo rohita (Hamilton). Proc. Natl. Acad. Sci., India, Sect. B Biol. Sci.84(4):989-996.

Biplab Sarkar, Surya Prakash Netam , Arabinda Mahanty , Ashis Saha,   RanadhirBosu  and K. K. Krishnani. 2014. Toxicity evaluation of chemically and plant derived silver nanoparticles on zebrafish (Danio rerio). Proc. Natl. Acad. Sci., India, Sect. B Biol. Sci. 84(4):885–892.Majhi RK, Kumar A, Yadav M, Swain N, Kumari S, Saha A, Pradhan A, Goswami L, Saha S, Samanta L, Maity A, Nayak TK, Chattopadhyay S, Rajakuberan C, Kumar A, Goswami C. 2013. Thermosensitive ion channel TRPV1 is endogenously expressed in the sperm of a fresh water teleost fish (Labeo rohita) and regulates sperm motility. Channels(Austin), 7(6):483-492.

Mohanty, Swagathika, Pillai, B. R, Rangacharylu, P.V. 2013. Effect of different levels of dietary lipids on reproductive performance of captive broodstock of Macrobrachium rosenbergii.Journal of Aquaculture, 21,. 21-26.

Mohanta K. N., Subramanian S. and Korikanthimath V. S., 2013. Effect of dietary protein and lipid levels on growth, nutrient utilization and whole-body composition of blue gourami, Trichogastertrichopterus fingerlings.Journal of Animal Physiology and Animal Nutrition,97: 126-136.

Mohanta K. N., Subramanian S. and Korikanthimath V. S., 2013. Replacement of fish meal protein by surimi by-product protein in the diet of blue gourami Trichogastertrichopterus fingerlings.Journal of Animal Physiology and Animal Nutrition,97: 10-19.

Mohanta K. N., Subramanian S. and Korikanthimath V. S., 2013. Evaluation of different animal protein sources in formulating the diets for blue gourami, Trichogasterttrichopterus fingerlings. Journal of Aquaculture Research and Development, 4:2(

Mohapatra, S., Chakraborty, T., Kumar, V., DeBoeck, G. and Mohanta, K.N., 2012. Aquaculture and stress management: A review of probiotic intervention. Journal of Animal Physiology and Animal Nutrition, 97: 405-430.

Mohapatra,S., Chakraborty, T., Prusty, A.K., Kumar, K. and Mohanta, K.N., 2012. Fenvalerate induced stress mitigation by dietary supplementation of multispecies probiotic mixture in a tropical freshwater fish, Labeorohita (Hamilton).  Pesticide Biochemistry and Physiology,104: 28-37.

Mohapatra, S., Chakraborty, T., Prusty, A.K., Das, P., Paniprasad, K. and Mohanta, K.N.., 2012.Use of different microbial probiotics in the diet of rohu, Labeorohita fingerlings: effects on growth, nutrient digestibility and retention, digestive enzyme activities and intestinal microflora. Aquaculture Nutrition, 18 (1):1-11.

Rath, S.C., Sarkar, S., Mohanty, S.N. and Mohanta, K.N., 2012. Growth, nutrient utilisation and whole body composition of genetically improved Labeo rohita. Animal Nutrition and Feed Technology, 12: 403-410.


Patent developed:

Patent number: 275820

Title of the Invention: A method and an apparatus for developing gonadal maturity in   carp

Indian Patent Application No.1689/DEL/2008

Date of filing: 14.07.2008

Date of Grant: 22.09.2016

Patentee: Indian Council of Agricultural Research

Our invention describes method of simulating the natural environment in the indoor rearing system for obtaining gonadal maturation