Efecto de harina de hidrolizado de vísceras en el crecimiento de trucha arcoíris (Oncorhynchus mykiss)

Abstract

Objective. To assess the effect of the inclusion of viscera hydrolyzate meal in diets for trout fry, “Kamloop” variety, in terms of weight, length and biomass gains, apparent feed conversion, and survival. Materials and methods. This essay was developed at the Guirapungo Corponariño Environmental and Fish Farming Center, in eight concrete pools, subdivided each pool, into three compartments of equal dimensions. An Unrestricted Random Design (URD) was used, made up of 1680 trout fry, with an average stocking weight of 1.24±0.024 g, distributed in four treatments, six replications per treatment, for a total of 24 units experimental, with 70 fish per experimental unit