Growth of heat-shock induced triploids of blue tilapia, Oreochromis aureus, reared in tanks and in ponds in Eastern Congo : feeding regimes and compensatory growth response of triploid females

Growth of heat-shock induced triploids of blue tilapia, Oreochromis aureus, reared in tanks and in ponds in Eastern Congo : feeding regimes and compensatory growth response of triploid females

In this study, triploids of Oreochromis aureus were obtained via the heat-shocking method. Triploid fishes were effectively sterile and predominantly female (80%). Diploid and triploid fishes were reared in tanks or ponds receiving organic manure. In tanks, the survival rate was 65.3% and 60.7% for...

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Veröffentlicht in:Aquaculture 2001-06, Vol.198 (1), p.109-122
Hauptverfasser: Byamungu, N, Darras, V.M, Kühn, E.R
Format: Artikel
Sprache:eng
Schlagworte:
Aquaculture techniques
Compensatory growth response
Diploids and triploids
Feeding regimes
fish culture
Freshwater
Growth
Heat shock
Oreochromis aureus
pond culture
Tanks and ponds
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Zusammenfassung:In this study, triploids of Oreochromis aureus were obtained via the heat-shocking method. Triploid fishes were effectively sterile and predominantly female (80%). Diploid and triploid fishes were reared in tanks or ponds receiving organic manure. In tanks, the survival rate was 65.3% and 60.7% for diploids and triploids, respectively. Triploids, mostly females, grew slower ( P
ISSN:0044-8486
1873-5622
DOI:10.1016/S0044-8486(00)00605-0