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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2014, Vol. 2, Issue 2, Part E

The biennial growth model, database and population dynamics of Tilapia spp in tropic of West Bengal


Author(s): Debabrata Das

Abstract: Tilapia mossambica is a promising species in the tropic of West Bengal condition and extendable in subtropical condition. Biannual logarithmic growth model Y= 190.84LN(X) -48.57, R2 = .067 X<=2 any real number of fish age in the month, Y indicates the gram weight is studied and found under tropical pocket of Beel water of West Bengal condition. The species has multiple breeding periods may breed even four times in a year once found suitable condition and hence four different population dynamics were found. Ecologically Tilapia has auto stock model, controlling sex ratio, size dependency, possible organic feed, controlled growth and further popular due to their resistance and hardiness in ecological conditions, good species association viz. with Macrobrachium rosenbergii, possible enrichment and over all the good sustainability. The statistical variation of fish genders and their ratio estimation are due to ecological condition. Female (f) to male (m) f/m ratio is more under favourable conditions is the note of this abstract.

Pages: 271-274  |  696 Views  12 Downloads

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How to cite this article:
Debabrata Das. The biennial growth model, database and population dynamics of Tilapia spp in tropic of West Bengal. International Journal of Fisheries and Aquatic Studies. 2014; 2(2): 271-274.
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