Açúcar refinado como fonte de carbono no berçário de camarões cultivados em sistema de bioflocos
DOI:
https://doi.org/10.20950/1678-2305.2016v42n2p443Palavras-chave:
Litopenaeus vannamei, biofloco, melaço, produtividade, análise de custoResumo
Objetivou-se avaliar o uso de açúcar refinado como fonte de carbono no berçário de camarões marinhos em sistema de bioflocos. Foram utilizados oito tanques de 800 L povoados com 3.000 camarões m-3, sendo que metade dos tanques recebeu açúcar refinado como fonte de carbono e o restante, melaço de cana-de-açúcar (controle). Os valores dos parí¢metros de qualidade de água mantiveram-se dentro dos limites aceitáveis para o camarão marinho. Contudo, o teor de amônia total foi superior no tratamento com açúcar refinado em relação ao registrado no controle. A alcalinidade e fosfato foram superiores no controle. Os índices produtivos avaliados (peso final, sobrevivência, conversão alimentar e produtividade) não foram diferentes entre os tratamentos. Entretanto, o custo do açúcar refinado para produção de um quilograma do camarão foi 62% inferior ao do melaço (tratamento controle). O estudo mostra que o açúcar refinado pode ser usado na fertilização do berçário de camarão e auxiliar na redução dos custos de produção.
Referências
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WASIELESKY, W.; FROES, C.; FÓES, G.; KRUMMENAUER, D.; LARA, G.; POERSCH, L. 2013 Nursery of Litopenaeus Vannamei Reared in a Biofloc System: The Effect of Stocking Densities and Compensatory Growth. Journal of Shellfish Research, 32(3): 799-806.
AVNIMELECH, Y. 1999 Carbon nitrogen ratio as a control element in aquaculture systems. Aquaculture, 176 (3-4): 227-235.
AVNIMELECH, Y.; DE-SCHRYVER, P.; EMMERECIANO, M.; KUHN, D.; RAY, A.; TAW, N. 2010 Biofloc Technology A Practical Guide Book, 2d Edition. Baton Rouge, Louisiana: The World Aquaculture Society, 272.
AZIM, M.E. e LITTLE, D.C.; 2008 The biofloc technology (BFT) in indoor tanks: Water quality, biofloc composition, and growth and welfare of Nile tilapia (Oreochromis niloticus). Aquaculture, 283(14): 29-35.
CORREIA, E.S.; WILKENFELD, J.S.; MORRIS, T.C.; WEI, l.; PRANGNELL, D.I e SAMOCHA, T.M. 2014 Intensive nursery production of the Pacific white shrimp Litopenaeus vannamei using two commercial feeds with high and low protein content in a biofloc-dominated system. Aquacultural Engineering, 59: 48-54.
CRAB, R.; AVNIMELECH, Y.; DEFOIRDT, T.; BOSSIER, P.; VERSTRAETE, W. 2007 Nitrogen
removal techniques in aquaculture for a sustainable production. Aquaculture, 270 (1-4): 1-14.
CRAB, R.; DEFOIRDT, T.; BOSSIERB, P.; VERSTRAETE, W. 2012 Biofloc technology in aquaculture: Beneficial effects and future challenges. Aquaculture, 356: 351-356.
EBELING, J.M.; TIMMONS, M.B.; BISOGNI, J.J. 2006 Engineering analysis of the stoichiometry of photoautotrophic, autotrophic, and heterotrophic removal of ammonia-nitrogen in aquaculture systems. Aquaculture, 257(1-4): 346-358.
FAO. 2014 El estado mundial de la pesca y la acuicultura Oportunidades y desafíos. Roma: 253.
LIN, Y.C. e CHEN, J.C. 2001 Acute toxicity of ammonia on Litopenaeus vannamei Boone juveniles at different salinity levels. Journal of Experimental Marine Biology and Ecology, 259(1): 109-119.
LORENZO, M.A.; SCHVEITZER, R.; ESPIRITO SANTO, C.M.; CANDIA, E.W. S.; MOURIí"˜O, J.L. P.; LEGARDA, E.C.; SEIFFERT, W.Q.; VIEIRA, F.N. 2015 Intensive hatchery performance of the Pacific white shrimp inbiofloc system. Aquacultural Engineering, 67:53-58.
MISHRA, J.K.; SAMOCHA, T.M.; PATNAIK, S.; SPEED, M.; GANDY, R.L.; ALI, A.M. 2008 Performance of an intensive nursery system for the Pacific white shrimp, Litopenaeus vannamei, under limited discharge condition. Aquacultural Engineering, 38(1): 2-15.
MOSS, K.R.K. e MOSS, S.M. 2004 Effects of artificial substrate and stocking density on the nursery production of pacific white shrimp Litopenaeus vannamei. Journal of the World Aquaculture Society, 35(4): 536-542.
OTOSHI, C.A.; MONTGOMERY, A.D.; MATSUDA, E.M.; MOSS, S.M. 2006 Effects of artificial substrate and water source on growth of juvenile Pacific white shrimp, Litopenaeus vannamei. Journal of the World Aquaculture Society, 37(2): 210-213.
RAY, A.J.; LEWIS, B.L.; BROWDY, C.L.; LEFFLER, J.W. 2010 Suspended solids removal to improve shrimp (Litopenaeus vannamei) production and an evaluation of a plant-based feed in minimal-exchange, superintensive culture systems. Aquaculture, 299(14): 89-98.
SCHNEIDER, O.; SERETI, V.; EDING, Ep.H.; VERRETH, J.A.J. 2006 Molasses as C source for heterotrophic bacteria production on solid fish waste. Aquaculture, 261(4): 1239-1248.
SCHVEITZER, R.; ARANTES, R.; COSTÓDIO, P.F.S.; ESPÍRITO SANTO, C.M., ARANA, L.A.; SEIFFERT, W.Q.; ANDREATTA, E.R. 2013 Effect of different biofloc levels on microbial activity, water quality and performance of Litopenaeus vannamei in a tank system operated with no water exchange. Aquacultural Engineering, 56:59-70.
TECLU, D.; TIVCHEV, G.; LAING, M.; WALLIS, M. 2009 Determination of the elemental composition of molasses and its suitability as carbon source for growth of sulphate-reducing bacteria. Journal of Hazardous Materials, 161(2-3): 1157-1165.
VAN-WYK, P. 1999 Nutrition and Feeding of Litopenaeus vannamei in Intensive Culture Systems.
In: (Ed.). Farming Marine Shrimp in Recirculating Freshwater Systems. Florida: Florida Department of Agriculture and Consumer Services, 220.
VAN-WYK, P. e SCARPA, J., 1999 Water quality requirements and management. In: VAN WYK, P.; DAVIS-HODGKINS, M.; LARAMORE, R.; MAIN, K.L.; SCARPA, J. (Eds.), Farming Marine Shrimp in Recirculating Freshwater Systems. Florida Department of Agriculture and Consumer Services, Tallahassee, FL, USA, 141í 162.
WASIELESKY, W.; FROES, C.; FÓES, G.; KRUMMENAUER, D.; LARA, G.; POERSCH, L. 2013 Nursery of Litopenaeus Vannamei Reared in a Biofloc System: The Effect of Stocking Densities and Compensatory Growth. Journal of Shellfish Research, 32(3): 799-806.
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2016-06-30
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Nota científica (Short Communication)
