Comparative study of larvae production by the Nile tilapia (Oreochromis niloticus, Linné, 1758) Bouaké strain between earthen ponds and hapas

The aim of this study was to contribute to the development of tilapia aquaculture in Côte d’Ivoire by increasing the productivity of Oreochromis niloticus fry in fish hatcheries. Thus, the production of Oreochromis niloticus larvae was compared between two tilapia breeding systems, earthen ponds and...

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Veröffentlicht in:Aquaculture research 2022-12, Vol.53 (17), p.6049-6055
Hauptverfasser: Akian, Dieudonné Djétouan, Quenum, Crespin Luc, Koua, Daniel N’ Zi, Houra, Joël Alain Kouakou, Clota, Frédéric, Bégout, Marie‐Laure, Yao, Kouakou
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container_issue 17
container_start_page 6049
container_title Aquaculture research
container_volume 53
creator Akian, Dieudonné Djétouan
Quenum, Crespin Luc
Koua, Daniel N’ Zi
Houra, Joël Alain Kouakou
Clota, Frédéric
Bégout, Marie‐Laure
Yao, Kouakou
description The aim of this study was to contribute to the development of tilapia aquaculture in Côte d’Ivoire by increasing the productivity of Oreochromis niloticus fry in fish hatcheries. Thus, the production of Oreochromis niloticus larvae was compared between two tilapia breeding systems, earthen ponds and hapas in ponds. Over 98 days, 900 broodstock fish were allowed to reproduce in two ponds of 500 m2 and 900 others in 20 hapas of 50 m2, each installed in two ponds of 1200 m2. The sex ratio was one male for two females at a density of 0.9 breeders/m2 at a density of 450 breeders per pond and 45 breeders per hapa. After breeding broodstock in both systems, larvae were harvested and counted every 14 days. The survival rate and growth of the broodstock, as well as the reproductive performance of the females, were evaluated. There was no significant difference between the survival rates of the broodstock in the two breeding systems (98.1 ± 0.4% in ponds and 97.4 ± 0.5% in hapas). Broodstock, however, showed significantly higher growth in ponds than in hapas. The quantity of larvae produced by females in ponds was significantly higher than that of females bred in hapas (p 
doi_str_mv 10.1111/are.16075
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Thus, the production of Oreochromis niloticus larvae was compared between two tilapia breeding systems, earthen ponds and hapas in ponds. Over 98 days, 900 broodstock fish were allowed to reproduce in two ponds of 500 m2 and 900 others in 20 hapas of 50 m2, each installed in two ponds of 1200 m2. The sex ratio was one male for two females at a density of 0.9 breeders/m2 at a density of 450 breeders per pond and 45 breeders per hapa. After breeding broodstock in both systems, larvae were harvested and counted every 14 days. The survival rate and growth of the broodstock, as well as the reproductive performance of the females, were evaluated. There was no significant difference between the survival rates of the broodstock in the two breeding systems (98.1 ± 0.4% in ponds and 97.4 ± 0.5% in hapas). Broodstock, however, showed significantly higher growth in ponds than in hapas. The quantity of larvae produced by females in ponds was significantly higher than that of females bred in hapas (p &lt; 0.05). Hence, the best reproductive performance was recorded in broodstock stocked in ponds (absolute productivity: 93.1 larvae per female, relative productivity: 0.3 larvae per g of female, system productivity: 3.9 ± 0.2 larvae·m−2·day−1).</abstract><cop>Oxford</cop><pub>Hindawi Limited</pub><doi>10.1111/are.16075</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-6950-2357</orcidid><orcidid>https://orcid.org/0000-0003-1416-3479</orcidid><oa>free_for_read</oa></addata></record>
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ispartof Aquaculture research, 2022-12, Vol.53 (17), p.6049-6055
issn 1355-557X
1365-2109
language eng
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source Access via Wiley Online Library
subjects Aquaculture
Breeding
Breeding stock
Comparative analysis
Comparative studies
Density
Females
Fish
Fish culture
Fish hatcheries
Freshwater fishes
hapa
Hatcheries
Larvae
larvae production
Life Sciences
Marine fishes
Oreochromis niloticus
Polyculture (aquaculture)
pond
Ponds
Productivity
Reproduction
reproductive behaviour
Sex ratio
Survival
Tilapia
Whitefish
title Comparative study of larvae production by the Nile tilapia (Oreochromis niloticus, Linné, 1758) Bouaké strain between earthen ponds and hapas
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