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      Sea lice, Caligus rotundigenitalis infestations and its management in pond cultured pearlspot, Etroplus suratensis in Gujarat: a case study

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          Abstract

          Highly popular and delicious fish of Kerala (India), pearlspot, Etroplus suratensis is known for its ability to tolerate wide range of salinity, omnivorous feeding behavior. Present report documents the occurrence and management of Caligus rotundigenitalis in brackishwater pond meant for culture demonstration of pearlspot in Gujarat, (India). A brackishwater aquaculture pond (1,500 sq m) was stocked with pearlspot fry (2.60 ± 0.83 g; 4.31 ± 0.82 cm) @ 25,000 ha −1. On the 46th day of culture couple of dead fish were observed which gradually increased to 120 per day by 52nd day. Following the close observation parasitic infestation was noticed on gills cavities ranging from 15 to 20 numbers per fish. These characteristic features confirmed the parasite as C. rotundigenitalis. As a therapeutic measure the infested pond was successfully treated with Butox ® @ 300 ml/ha (Deltamethrin 12.5 mg) and repeat dose was administered 2 weeks later. The results of the study suggest the possible therapeutic value of Deltamethrin in treatment of caligid infestation in pond cultured pearlspot.

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          Author and article information

          Contributors
          91-044-24616948 , 91-044-24618817 , 91-044-24610565 , pkpatilvet@gmail.com
          Journal
          J Parasit Dis
          J Parasit Dis
          Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
          Springer India (New Delhi )
          0971-7196
          0975-0703
          31 August 2014
          June 2016
          : 40
          : 2
          : 565-567
          Affiliations
          [ ]Navsari Agriculture University, Navsari, Gujarat India
          [ ]Aquatic Animal Health Division, Central Institute of Brackishwater Aquaculture (CIBA), ICAR, 75 Santhome High Road, Raja Annamalai Puram, Chennai, 600 028 India
          [ ]Central Marine Fisheries Research Institute, 75 Santhome High Road, Raja Annamalai Puram, Chennai, India
          Article
          PMC4927521 PMC4927521 4927521 539
          10.1007/s12639-014-0539-y
          4927521
          27413343
          291fb6ac-5ef1-453a-b18f-2ea0879b3bd2
          © Indian Society for Parasitology 2014
          History
          : 5 March 2014
          : 18 August 2014
          Categories
          Short Communication
          Custom metadata
          © Indian Society for Parasitology 2016

          Etroplus suratensis ,Pearlspot, Caligus rotundigenitalis ,Sea lice

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