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97788

EFFECT OF TANK GEOMETRIC SHAPE RATIO ON PRODUCTIVITY OF RECIRCULATING AQUACULTURAL SYSTEM

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Last updated: 04 Jan 2025

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Abstract

The main aim of this work is to study the effect of tank diameter depth ratio on the water quality and productivity of recirculating aquacultural system to reach the optimum tank diameter: water depth ratio.The obtained results indicated that the mean weight of fish increased from 18 to 148, 18 to 136 and 18 to 114 g after 14 weeks with the diameter depth ratios 4, 6.4 and 8, respectively. The average weight gain of fish increased from 2 to 21, 8 to 13 and 3 to 6 g after 14 weeks with the diameter depth ratios 4, 6.4 and 3, respectively. The specific growth rate ranged from 0.99 to 6.00, 0.39 to 5.25 and 0.17 to 5.10 % day-1 at 4, 6.4 and 8 diameter depth ratio. The feed conversion rate ranged from 0.68 to 3.53, 0.88 to 10.91 and 0.93 to 18.51 kg feed/kg fish at 4, 6.4 and 8 diameter depth ratio. The feed efficiency ranged from 0.28 to 1.46, 0.11 to 1.13 and 0.05 to 1.39 at 4, 6.4 and 8 diameter depth ratio. The mean daily mortality rates were 0.048, 0.058 and 0.064 % at 4, 6.4 and 8 diameter depth ratio, respectively.

DOI

10.21608/mjae.2016.97788

Keywords

circular tank, Tank geometry, Recirculating Aquaculture, fish, productivity

Authors

First Name

Ahmed M.

Last Name

Ragab

MiddleName

-

Affiliation

Demonstrator Aquac., Eng., Fac. Fish Resources, Suez Univ., Egypt

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Orcid

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First Name

Abdel Ghany M.

Last Name

El-Gindy

MiddleName

-

Affiliation

Prof. of Agric. Eng., Fac. of Agric., Ain Shams Univ., Egypt

Email

-

City

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Orcid

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First Name

Yasser E.

Last Name

Arafa

MiddleName

-

Affiliation

Ass. Prof. of Agric. Eng., Fac. of Agric., Ain Shams Univ., Egypt

Email

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City

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Orcid

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First Name

Ashraf Y. E

Last Name

L Dakar

MiddleName

-

Affiliation

Prof. of Aquac., Fac. Fish Resources, Suez Univ., Egypt

Email

-

City

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Orcid

-

Volume

33

Article Issue

3

Related Issue

14762

Issue Date

2016-07-01

Receive Date

2020-06-24

Publish Date

2016-07-01

Page Start

985

Page End

998

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 33_Issue 3_Pages 985-998.pdf

PDF . 715.4kB

Link

https://mjae.journals.ekb.eg/article_97788.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=97788

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Type

Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

EFFECT OF TANK GEOMETRIC SHAPE RATIO ON PRODUCTIVITY OF RECIRCULATING AQUACULTURAL SYSTEM

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Article

Created At

23 Jan 2023