Growth, digestibility and nutrient utilization of rainbow trout (Oncorhynchus mykiss) and European sea bass (Dicentrarchus labrax) juveniles fed different dietary soybean oil levels |
| |
Authors: | D Alves Martins E Gomes P Rema J Dias ROA Ozório LMP Valente |
| |
Institution: | (1) CIIMAR – Centro Interdisciplinar de Investigação Marinha e Ambiental, Rua dos Bragas, 177, 4050-123 Porto, Portugal;(2) ICBAS – Instituto Ciências Biomédicas ‘Abel Salazar’, Universidade do Porto, 4099-003 Porto, Portugal;(3) Dept. Zootecnia, Universidade de Trás-os-Montes e Alto Douro, 5001, Vila Real, Porto, Portugal;(4) ICETA, Centro de Estudos de Ciência Animal, 4480, Vila do Conde, Vairão, Portugal |
| |
Abstract: | A shortage of marine raw ingredients, such as fish oil, is predicted in the near future. The use of suitable alternative lipid sources, such as vegetable oils, is crucial for sustainable growth of the aquaculture sector. Three isonitrogenous (50% Crude Protein) and isoenergetic (19 kJ g−1) diets, in which fish oil was gradually replaced by soybean oil (0, 25 and 50% of the oil fraction) were tested for 12 weeks, using European sea bass (Dicentrarchus labrax) and rainbow trout (Oncorhynchus mykiss) juveniles. No dietary effects (p>0.05) on growth performance, feed conversion, digestibility or body composition were observed with either species. The results obtained suggest the inclusion of soybean oil up to 50% of the dietary lipid is possible, in diets for sea bass and/or rainbow trout juveniles. |
| |
Keywords: | Digestibility European sea bass Fish oil replacement Growth Rainbow trout |
本文献已被 SpringerLink 等数据库收录! |
|