Supplementation of Selenium-Yeast Enhances Fishmeal Replacement by Soy Protein Concentrate in Diets for Golden Pompano (Trachinotus ovatus)

被引:2
|
作者
Wu, Yubo [1 ]
Fang, Huaiyi [2 ]
Ma, Hengjia [3 ]
Wang, Xiujuan [1 ]
机构
[1] Taizhou Univ, Coll Life Sci, Taizhou 318000, Zhejiang, Peoples R China
[2] Beibu Gulf Univ, Guangxi Key Lab Beibu Gulf Marine Biodivers Conser, Qinzhou 535011, Guangxi, Peoples R China
[3] Hangzhou Acad Agr Sci, Hangzhou 310024, Zhejiang, Peoples R China
关键词
FERMENTED SOYBEAN-MEAL; GROWTH-PERFORMANCE; YELLOWTAIL KINGFISH; MUSCLE COMPOSITION; FEED-UTILIZATION; SELENOMETHIONINE; BASS; AQUACULTURE; INCREASES; HISTOLOGY;
D O I
10.1155/2023/8953076
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
An 8-week feeding trial was conducted to investigate the effect of selenium-yeast (Se-yeast) supplementation on replacing fishmeal with soy protein concentrate (SPC) in diets for golden pompano (Trachinotus ovatus). The control diet (C) contained 400 g/kg fishmeal, of which 40% and 80% of the fishmeal in diet C were substituted by SPC, with or without 1 g/kg Se-yeast supplementation (four diets, R40, R80, R40 + Se, and R80 + Se, were formulated). The weight gain of the fish-fed diet C showed no obvious difference from that of the fed-diet R40 + Se, although it was higher than that of the fish-fed diets R40, R80, and R80 + Se. Fish-fed diets R40 + Se and R80 + Se exhibited higher weight gain and nitrogen and phosphorus retention efficiencies, whereas they had relatively lower feed intake, feed conversion ratio, and nitrogen and phosphorus waste outputs than fish-fed diets R40 and R80. No statistical differences were found in condition factor and whole-body components either between fish-fed diets R40 and R40 + Se or between fish-fed diets R80 and R80 + Se. Our research suggests that it is feasible to reduce dietary fishmeal for golden pompano to 240 g/kg with SPC and 1 g/kg Se-yeast inclusion.
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页数:9
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