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Growth performance and white spot syndrome virus resistance in families of kuruma shrimp (Marsupenaeus japonicus).

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Title Growth performance and white spot syndrome virus resistance in families of kuruma shrimp (Marsupenaeus japonicus).
Not Available
 
Creator G. Gopikrishna
C.Gopal
M.S.Shekhar
K.V. Kumar
S. Kannappan
A.G. Ponniah
 
Subject Kuruma Shrimp
Heritability
White spot syndrome virus
 
Description Not Available
Present study reveals the variation in wet weight at harvest (4 months in pond) and resistance to white spot syndrome virus (WSSV) in the kuruma shrimp Marsupeanaeus japonicus. Eight families obtained from gravid female shrimp from wild and two inbred families were used. Representatives from each family were challenged with white spot syndrome virus. Survival curves in a challenge experiment revealed no difference between wild and inbred families. However, one family each from wild and inbred had higher median survival compared to the rest. Analysis of the wet weight at harvest revealed sexual dimorphism for growth with female weighing heavier than their male counterparts. Heratibility was revealed sex wise for harvest weight using a full-sib correlation method. The estimates indicate that harvest weight would respond readily to selection.
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Date 2023-10-16T10:30:37Z
2023-10-16T10:30:37Z
2012-01-01
 
Type Journal
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/80638
 
Language English
 
Relation Not Available;
 
Publisher Not Available