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IMPACT OF DIFFERENT STOCKING RATIOS TOTAL FISH PRODUCTION IN FARM PONDS

Indian Agricultural Research Journals

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Title IMPACT OF DIFFERENT STOCKING RATIOS TOTAL FISH PRODUCTION IN FARM PONDS
 
Creator SHARMA, PAWAN KUMAR
KUMAR, J STEPHEN SAMPATH
MANIKANDAVELU, D.
KUMAR, V. SENTHIL
ANAND, S.
 
Subject Average daily growth rate
Farm ponds
Gross biomass production
Net biomass production
Stocking ratio
Survival rate
 
Description This experiment has been carried out under TN-IAMP (Tamil Nadu- Irrigated Agriculture Modernization Project, financed by World Bank) in two selected farm ponds (T1 and T2) of the delta district of Tiruchirappalli (Latitude ‘10.775632’N and Longitude '78.692360'E) in Tamil Nadu, India, coming under the research and technical purview of Directorate of Sustainable Aquaculture, Thanjavur. The research work was conducted for a period of 270 days. The ponds are of uniform size (0.25 ha), and feature-wise similar in every respect. Both ponds were stocked uniformly with four species combination viz. Catla catla, Labeo rohita, Cirrhinus mrigala, and Cyprinus carpio. The ponds were stocked at the rate of 18000 nos ha-1 maintaining a stocking ratio of 1:1:1:1 (rohu, catla, mrigal and common carp) in T1, while in T2 the ratio was kept at 1.5:1:1:1. Feeding was done twice at 10.00 am and 5.00 pm, with commercial pellet feed (20% crude protein) during the culture period. The estimated gross production in pond T1 (4000kg ha-1) was found to be higher than that of T2 (3200 kg ha-1). The pond T1, has rendered a net estimated additional 800.04kg ha-1, accounting 25.33% higher yield than that of T2 pond. Statically significant (p<0.05), higher survival could be observed in T1 (27.68%) than that of T2 (16.69%). Further, the ADG (Average Daily Growth) rate of fishes in T1 was 25.30% higher than that of T2. This study revealed that there is a tangible correlation between the equal stocking ratio of fishes and production. The survival rate also endorsed this trend. 
 
Publisher Inland Fisheries Society of India
 
Date 2024-08-07
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/JIFSI/article/view/153753
10.47780/jifsi.55.4.2023.153753
 
Source Journal of the Inland Fisheries Society of India; Vol. 55 No. 4 (2023): Journal of Inland Fisheries Society of India; 403-411
0379-3435
10.47780/jifsi.55.4.2023.%a
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/JIFSI/article/view/153753/55407
10.47780/jifsi.55.4.2023.153753