Preliminary results on growth and feeding of wild-caught young goldblotch grouper, Epinephelus costae , in captivity
2003; Wiley; Volume: 19; Issue: 4 Linguagem: Inglês
10.1046/j.1439-0426.2003.00446.x
ISSN1439-0426
AutoresBranko Glamuzina, Pero Tutman, Alexis Conides, Valter Kožul, N. Glavić, J. Bolotin, Davor Lučıć, Vladimir Onofri, Boško Skaramuca,
Tópico(s)Fish Ecology and Management Studies
ResumoGrowth, food intake, feed conversion, survival, and behaviour of wild-caught goldblotch grouper, Epinephelus costae Steindachner, (initial weight=103.04 ± 8.27g) were evaluated when reared in captivity. Average weight gains ranged between 0.106 and 0.278 g day−1, while corresponding gains in length ranged between 0.005 and 0.018 cm day−1. Average daily growth rate was between 0.075 and 0.232% body weight day−1 (overall 0.141 ± 0.08% bw/day). Daily rate of feeding was estimated to be between 0.299 and 0.418% bw day−1 (overall 0.365 ± 0.09% bw day−1). Food conversion ratio (FCR) ranged between 0.21 and 0.77 (overall FCR=0.423). Food intake was dependent on water temperature.
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