EXPERIMENTAL STUDY ON THE GROWTH AND SURVIVAL RATE OF CULTURED WHITE LEG SHRIMP (LITOPENAEUS VANNAMEI) IN DIFFERENT STOCKING DENSITIES AT ANTHARVEDI, MALKIPURAM MANDAL, EAST GODAVARI DISTRICT, AP, INDIA
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Keywords
Litopenaeus vannamei, Average body weight, stocking densities
Abstract
This study was conducted at a Litopenaeus vannamei culture farm in Antharvedi, Malkipuram Mandal, East Godavari district, Andhra Pradesh, India. The experiment involved four culture ponds with varying stocking densities. Protective measures were implemented to ensure the water pumped into the ponds remained uncontaminated. The pH levels were observed to range from 7.9 to 8.7 in the morning and 8.3 to 8.9 in the evening. After 120 days of pond culture, the average weights of the shrimp in Antharvedi were recorded as 25g, 20g, 26.31g, and 16.66g, while the survival rates were 90%, 60%, 50%, and 50% respectively. The feed conversion ratio (FCR) for the ponds was measured as 1.3, 1.5, 1.5, and 1.43. The average production per acre was found to be 2250kg, 1800kg, 2302kg, and 1666kg for ponds P1, P2, P3, and P4 respectively. The results indicated a significant correlation between stocking density and average body weight, with lower stocking density resulting in higher average body weight, and vice versa. The growth rate was found to be directly proportional to stocking density.
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Sridhar Dumpala
Department of Aquaculture, University College of Science and Technology, Adikavi nannaya university, Rajamahendravaram, Andhra Pradesh
Vivek Chintada
Department of Zoology, Sri Venkateswara University, Tirupati-517502
H Dhilleswara Rao
Department of Zoology, Sri Venkateswara University, Tirupati-517502
Challa Brahma Reddy
Technical Officer, Avanti Aquaculture skill Development Centre, A.P., India
Lakshmi Chaya Pedda
Assistant Professor, K.G.R.L Degree and PG College, Bhimavaram., A.P., India
Kakarlapudi Ramaneswari
Department of zoology, University College of Science and Technology, Adikavi nannaya university, Rajamahendravaram, Andhra Pradesh, India
K Veeraiah
Department of Zoology, Acharya Nagarjuna University, Guntur-522510