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Rev. chil. nutr ; 40(2): 147-154, June 2013. tab
Article in Spanish | LILACS | ID: lil-687151

ABSTRACT

The current study was carried out with the purpose of evaluating two alternative diets in the feeding of Colossoma macropomum alevins using earthworm flour (Eisenia foetida), soybean (Glycine max) and beans (Phaseolus vulgaris) as the protein source and as fishmeal substitute and was compared with a control diet. The diets were formulated with a crude protein with a theoretical 32% protein. The body composition of C. macropomum fed the different diets showed that protein was between 47,3%% and 48,6% and the lipid content was found between 21,2% and24,3% not showing significant differences between diets (p>0,05). According to the results obtained there is a reason to think that a total substitution of fishmeal by earthworm meal, soybean and beans would be successful in feeding C. macropomum alevins.


El presente estudio se realizó con el objetivo de valorar dos dietas alternativas en la alimentación de alevines de cachama negra (Colossoma macropomum), utilizando como fuentes proteicas harinas de lombriz (Eisenia foetida), soya (Glycine max) y caraotas (Phaseolus vulgaris) como sustituto de la harina de pescado, comparándolo con una dieta testigo. Las dietas se formularon con un porcentaje teórico de proteína bruta de 32%. En cuanto a la composición corporal de las cachamas alimentadas con las dietas, el % de proteína se determinó entre 47,3 y 48,6 y % de lípidos entre 21,2 y 24,3; sin presentar diferencias significativas (p>0,05). De acuerdo a los resultados se puede concluir que una sustitución total de la harina de pescado por harina de soya- lombriz, y de soya-caraota conduciría a buenos resultados para la alimentación de alevines de cachama negra.


Subject(s)
Animals , Oligochaeta , Glycine max , Diet , Phaseolus , Fishes , Flour , Nutritive Value
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