Matrinxã larviculture in tanks of different colors
DOI:
https://doi.org/10.1590/S1678-3921.pab2008.v43.818Keywords:
Brycon orthotaenia, feeding, cannibalism, managementAbstract
The objective of this work was to evaluate the effect of different color tanks on Brycon orthotaenia larviculture, during the fi rst ten days of rearing. Light color tanks (white, light blue and light green) and darktanks (brown and black) were evaluated. The fi shes were fed with Prochilodus costatus larvae until the 5th day and, from the 3rd day on, commercial dry feed with 55% crude protein was also supplied. The growth, survival and Fulton’s condition factor were evaluated. At fi ve days of feed, the weight, total length and specifi c growth
rate (SGR) were similar among treatments. However, after ten days, the animals kept in dark tanks showed the lowest weight and total length; but the SGR was similar despite the different color tanks. The Fulton’s
condition factor, observed at the end of the experiment, was lower in animals reared in dark tanks. The survival was lower in black tanks, at fi ve and ten days of rearing. The best survival, at the end of the experiment, was observed in brown, light green and white tanks. Light tanks are recommended for B. orthotaenia larviculture, for animals’ best development and survival.
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Published
2008-10-29
How to Cite
Pedreira, M. M., Luz, R. K., Santos, J. C. E. dos, Mattioli, C. C., & Silva, C. L. (2008). Matrinxã larviculture in tanks of different colors. Pesquisa Agropecuaria Brasileira, 43(10), 1365–1369. https://doi.org/10.1590/S1678-3921.pab2008.v43.818
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Section
PISCICULTURE