Cottonseed protein concentrate as an effective substitute to fish meal in pike perch (<i>Sander luciperca</i>) feed: evidence from growth performance and intestinal responses of immune function and microflora.

ABSTRACT:

Introduction

The aim of this study was to assess the response characteristics of intestinal immune function and microflora of pike perch (Sander luciperca) receiving cottonseed protein concentrate (CPC) as a substitute for fishmeal.

Methods

A basal diet was formulated to contain 55% fish meal, and then CPC was used to replace 0% (CPC0), 20% (CPC1), 40% (CPC2), and 60% (CPC3) of dietary fish meal. The four diets were fed to pikeperch with an initial body weight of 3.55 ± 0.01 g for 8 weeks.

Results

The results revealed that there were no significant effects of dietary CPC levels on survival rate, mass gain rate, and specific growth rate. The highest value for the feeding efficiency ratio was found in the CPC3 group and was significantly higher than that of the control

SUBMITTER: Fan Z 

PROVIDER: S-EPMC11920712 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature