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Application of gonadosomatic index (GSI) and fecundity in interpreting the reproductive periodicity of an endemic snow trout, Schizothorax plagiostomus from the hill streams of Kashmir Himalaya

Indian Agricultural Research Journals

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Title Application of gonadosomatic index (GSI) and fecundity in interpreting the reproductive periodicity of an endemic snow trout, Schizothorax plagiostomus from the hill streams of Kashmir Himalaya
 
Creator Magloo, AADIL HUSSAIN
Farooz Ahmad Bhat
Tasaduq H. Shah
Ashwani Kumar
Bilal Ahmad Bhat
Asim Iqbal Bazaz
Haziq Qayoom Lone
Sauliheen Qadri
Mudasir Ahmad Shah
 
Subject Schizothorax plagiostomus
Gonadosomatic index
Fecundity
Kashmir Himalayas
 
Description The objective of the present study is to describe the phases of gonadal development using gonadosomatic index (GSI) and determine the fecundity of Schizothorax plagiostomus in Kashmir Himalaya. A total of 360 specimens of Schizothorax plagiostomus were studied for estimation of GSI and 95 female gonads for estimation of fecundity. The total length of the specimen ranged from 115 mm to 450 mm with the corresponding weight being 20 gm and 502 gm respectively. Maximum (gonadosomatic index) GSI values was recorded in the spawning month i.e. May with peak values of 11.4 in males and 13.0 in females. The mean absolute fecundity value of 95 specimens was 10676 ± 557. The mean relative fecundity (number of ova/gram of body weight) was found to be 42.66 ± 1.83 with highest of 95.69 and minimum of 7.53
 
Publisher Indian Fisheries Association
 
Date 2023-07-19
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/JIFA/article/view/142708
 
Source Journal of Indian Fisheries Association; Vol. 50 No. 3 (2023): Journal of Indian Fisheries Association
0972-3854
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/JIFA/article/view/142708/55565
 
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