Two varieties of tilapia fish growth in floating cages under three population densities
DOI:
https://doi.org/10.47808/revistabioagro.v2i1.271Keywords:
Oreochromis spp, Density, Floating cages, Growth, BiomassAbstract
The effect of different population densities on the growth of two varieties of tilapia crappie was studied the first variety was Stirling (Oreochromis niloticus) and the second Pargo-UNAM (Oreochromis spp). The work was performed under the floating cage system with capacity of 1m3 (3x1x1) under three experimental densities: 100, 200 and 300 fish/m3/cage. The experiment was evaluated for 3 months (March, April and May), the fish were fed ad libitum considering doubling its body biomass for power density of 200 and tripling the density of 300. Growth was evaluated based on size and weight, using a completely randomized factorial design, with 10 replications per treatment. ANOVA was used for analysis of data Results shown a significant difference for both varieties. Individuals of variety Stirling has significant growth and a better adaptation to all different densities, compared with the Pargo-UNAM, which only adapts and has better growth in 100 fish/m3 density. However, for optimal performance of Nile tilapia in floating cages, parameters must be considering as they are functional part of a production system.
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