[PDF][PDF] Age, growth and length-weight relationship of Cirrhinus mrigala from pong reservoir, Himachal Pradesh, India

A Parmar, NP Bhatia - Int. J. Fauna Biol. Stud, 2014 - faunajournal.com
A Parmar, NP Bhatia
Int. J. Fauna Biol. Stud, 2014faunajournal.com
Age and growth of Cirrhinus mrigala from Pong reservoir of the Kangra district of Himachal
Pradesh was studied by using scale method. Length-weight relationship was analyzed by
using Le Cren's equation W= aLn which was further transformed into Log W= log a+ n log L.
In the present study, Log W was found to be-0.401745082 L3. 2848. Linear relationship with
a high degree of correlation was observed between total length and lateral scale radius. Six
age classes (3-8) were reported in the present study. Maximum numbers of specimens were …
Abstract
Age and growth of Cirrhinus mrigala from Pong reservoir of the Kangra district of Himachal Pradesh was studied by using scale method. Length-weight relationship was analyzed by using Le Cren’s equation W= aLn which was further transformed into Log W= log a+ n log L. In the present study, Log W was found to be-0.401745082 L3. 2848. Linear relationship with a high degree of correlation was observed between total length and lateral scale radius. Six age classes (3-8) were reported in the present study. Maximum numbers of specimens were reported in the age class 4. The data on growth characteristics revealed that age class 4 is more vulnerable in the catch. Annual increment (h) and index of species average size (ǾL) were also calculated from the data.
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