<b>Influence of the feed processing on production performance of angelfish (<em>Pterophyllum scalare</em>)</b> - DOI: 10.4025/actascianimsci.v28i1.847

Abstract

The experiment was conducted in the Laboratory of Ornamental Fish at the Aquaculture Center of Unesp, State of São Paulo, Brazil, aiming to evaluate the growth performance of the angelfish (Pterophyllum scalare) fed with three different diets (pelleting, extruding and grinding). Two hundred forty fish were stocked in 24 aquaria (40 L) and fed with a diet of 4000 kcal kg^-1, crude energy and 28% crude protein. The final mean weight, weight gain, specific growth rate, feed intake and feed conversion were evaluated. After 8 weeks there was no difference on angelfish fed with extruded and pelleted diet. However fish fed with grinded diet presented poor growth and the specific growth rate was smaller. The feed conversion ratio had better values in fish fed with extruded diet. It was concluded that both extruded and pelleted diets were suitable for growth and maintenance of angelfish.