Prof. Nihar Ranjan Chattopadhyay
Ph. D.
1) Teaching at graduate ,Post-graduate and Ph.D. level ----- 28 Years 2) Research in diverse field of Aquaculture / Fisheries / Zoology / Biology 3) Extension at field level with particular refere
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Hello Hoang,LIptosa is a Spanish manufacturer of additives phytobiotics and Liptoaqua is the aqua department. Our additives are natural growth promotors and immunostimulants working on gut health through prebiotics. We manufacture tailor made additives for each species and pathology. We have phytobiotics for fish and shrimp regarding the different pathologies: bacteria (gram + and -), intracellula ...
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Prof. Nihar Ranjan Chattopadhyay likes this technical article:
  World aquaculture production continues to grow, albeit at a slowing rate. According to the latest available statistics collected globally by FAO, world aquaculture production attained another all-time high of 90.4 million tonnes (live weight equivalent) in 2012 (US$144.4 billion), including 66.6 million tonnes of food fish (US$137.7 billion) and 23.8 million tonnes of aquatic algae (mostly ...
Article published the April 16, 2017
  World aquaculture production continues to grow, albeit at a slowing rate. According to the latest available statistics collected globally by FAO, world aquaculture production attained another all-time high of 90.4 million tonnes (live weight equivalent) in 2012 (US$144.4 billion), including 66.6 million tonnes of food fish (US$137.7 billion) and 23.8 million tonnes of aquatic algae (mostly ...
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Participation in Forum on January 12, 2015
Dear Alicia I like to learn in detail about the importance of biosecurity in aquaculture management . I will be happy if you help me in this regard. Lots of love and belated happy new year. Prof. Nihar Chattopadhyay
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Article published the December 19, 2013
Both male and female gonads undergo marked cyclic morphological and histological changes before reaching full maturity and becoming ripe. This is called maturation of the gonads. Most of the fishes exhibit seasonal cycle in the production of gametes. The expulsion of gametes from the body into the surrounding water is called ‘spawning’ resulting in fertilization. Fish spawns during a s ...
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Article published the May 24, 2013
Introduction The Aquaculture systems in India and its neighbour such as Bangladesh and Pakistan, mainly constitutes IMC’s viz. the Catla (Catla catla; Hamilton) the Rohu (Labeo rohita; Hamilton), Mrigal (Cirrhinus mrigal; Hamilton). These carps contribute approximately 75% to the Aquaculture production in India (FAO, 1997). As these carps are economically very important research on cultivat ...
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April 20, 2013
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Location:Birati , Kolkata, West Bengal, India
Profile: Academic / scientific
Professional Title: Ph. D.