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Compensatory growth response of Catla catla (Hamilton, 1822) juveniles, stunted with varied stocking density and photoperiod, in subsequent grow-out phase.

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Title Compensatory growth response of Catla catla (Hamilton, 1822) juveniles, stunted with varied stocking density and photoperiod, in subsequent grow-out phase.
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Creator P.R Sahoo
P.C. Das
S. Nanda
B. Sahu
L. Muduli
 
Subject Catla
Compensatory growth
Fish culture
Mixed fish farming
Stunted fish
 
Description Not Available
Stunted juveniles of Catla catla (Hamilton, 1822) were produced through 150 days of stunting with five combinations of density and photoperiod. These stunted juveniles were subsequently polycultured in grow-out ponds for eight months along with rohu (Labeo rohita) and mrigal (Cirrhinus mrigala). In grow-out trial, the five treatments with different combinations of stocking density and d comprised, control (20 m-3, 12L/12D), T-1 (30 m-3, 12L/12D), T-2 (40 m-3, 12L/12D), photoperioT-3 (20 m-3, 6L/18D) and T-4 (20 m-3, 0L/24D). After eight months of culture, growth curves of stunted catla in all treatments were non-convergent and inferior to control, indicating no compensatory growth response. Although survival (70-73%), average body weight, (ABW; 667-755 g) and weight gain (648-729 g) in grow-out phase were statistically similar in the groups with different stocking density (Control, T-1 and T-2) (p>0.05), the grow-out survival was relatively higher in T-2 (73.3%), indicating its positive correlation with higher stunting density. In contrast, juveniles stunted with reduced photoperiod (T-3 and T-4) showed significantly lower ABW and weight gain (p
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Date 2023-02-04T06:43:43Z
2023-02-04T06:43:43Z
2021-03
 
Type Journal
 
Identifier Sahoo, P. R., Das, P. C., Nanda, S., Sahu, B., & Muduli, L. (2021). Compensatory growth response of Catla catla (Hamilton, 1822) juveniles, stunted with varied stocking density and photoperiod, in subsequent grow-out phase. Indian Journal of Fisheries, 68(1), 49-55.
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http://krishi.icar.gov.in/jspui/handle/123456789/76009
 
Language English
 
Relation Not Available;
 
Publisher Not Available