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Effects of tributyrin supplemented in a high-soybean meal diet on the growth performance and intestinal histopathology of juvenile Scophthal musmaximus L.
|dc.description.abstract||This study was conducted to evaluate the influence of tributyrin (TB) supplemented in diet on the growth, feed utilization and intestinal health of turbot (<em>Scophthalmus maximus</em> L.). Four experimental diets were formulated with TB at 0 mg/kg, 100 mg/kg, 200 mg/kg and 300 mg/kg levels respectively. A total of 2016 turbot (initial body weight: 31.22±0.05g) were randomly distributed into 12 tanks and fed the corresponding diets for 70d. Results showed that fish in 100 mg/kg group had significantly higher weight gain rate (WGR) and specific growth rate (SGR) than that in other groups (P<0.05). No significant differences were observed in survival rate (SR), feeding rate (FR), feed conversion ratio (FCR), condition factor (CF), hepatosomatic index (HSI), and viscerosomatic index (VSI) among all groups (P>0.05). There was no significant difference in intestinal superoxide dismutase (SOD) activities and intestinal malonaldehyde (MDA) contents among all treatments (P>0.05), while the highest SOD activity and the lowest MDA content were found in 100 mg/kg group. The height of intestinal fold in 100 mg/kg treatment was significantly higher than that in other groups (P<0.05). However, no significant difference existed in intestinal wall thickness among all groups (P>0.05). The present study suggested that 100 mg/kg TB inclusion level was recommended in the diets of turbot to promote the growth and improve the intestinal morphology structure and health in turbot.|
|dc.relation.ispartof||The Israeli Journal of Aquaculture - Bamidgeh|
|dc.title||Effects of tributyrin supplemented in a high-soybean meal diet on the growth performance and intestinal histopathology of juvenile <em>Scophthal musmaximus</em> L.|
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Volume 73, 2021|
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