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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(5): 2061-2072
DOI: https://doi.org/10.20546/ijcmas.2018.705.242


Growth and Survival in Nursery Rearing Phase of the Asian Seabass (Lates calcarifer, Bloch) under Different Stocking Densities in Floating Net Cages
G. Suresh1*, M. Raveendra2, K. Jyotsna Rajeswari3, B. Chamundeswari Devi4, M.Anusha4, D. Venkatesh1, D. Ravindra Kumar Reddy1 and N. Madhavan1
1College of Fishery Science, Muthukur, Nellore, Sri Venkateswara Veterinary University, Tirupati, Andhra Pradesh, India
2Krishi Vigyan Kendra, Lam, Guntur, Sri Venkateswara Veterinary University, Tirupati, Andhra Pradesh, India
3Kerala University of Fisheries and Ocean studies (KUFOS), Panangad, Kochi, Kerala, India
4Fisheries Research Station, Kakinada, Sri Venkateswara Veterinary University, Tirupati, Andhra Pradesh, India
*Corresponding author
Abstract:

This study was conducted to study the effect of stocking density on growth and survival of seabass, Lates calcarifer in floating net cages in closed bay, Bapatla, Andhra Pardesh, India. Triplicate groups of seabass with an average initial weight of 1.29±0.12 g were randomly stocked in floating net cages (1m×1m×2m) at 20, 40, 60 and 80 fish/m3designated as SD20, SD40, SD60 and SD80 respectively. Seabass in the cages were fed with 45% CP formulated diet at 10% of body weight twice daily. Sampling was done weekly. At the end of the stocking trail, growth in terms of body weight, weight gain, specific growth rate and survival rate of fish was high in SD20 than those in SD40, SD60 and SD80. Total Feed conversion ratio was lower in SD20 followed by SD40, SD60 and SD80. The cages stocked with 20 fish/m3 have highest growth performance and survival. 20 fish/m3 showed better survival percentage than SD40, SD60 and SD80. Water quality parameters were at optimum level during study period. Results suggest that 20 fish/m3 could be recommended for producing better quality seabass fingerlings and 80 fish/m3 for highest number of seed production.


Keywords: Asian seabass, Growth, Survival, Stocking density, Cage culture
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How to cite this article:

Suresh, G., M. Raveendra, K. Jyotsna Rajeswari, B. Chamundeswari Devi, M. Anusha, D. Venkatesh, D. Ravindra Kumar Reddy and Madhavan, N. 2018. Growth and Survival in Nursery Rearing Phase of the Asian Seabass (Lates calcarifer, Bloch) under Different Stocking Densities in Floating Net Cages.Int.J.Curr.Microbiol.App.Sci. 7(5): 2061-2072. doi: https://doi.org/10.20546/ijcmas.2018.705.242