Effects of dietary carbohydrate to lipid ratio on growth, feed utilization, body composition and digestive enzyme activities of golden pompano (Trachinotus ovatus)
Dong, LF; Tong, T; Zhang, Q; Wang, QC; Xu, MZ; Yu, HR; Wang, J; zhangqin821220@163.com
2018
发表期刊AQUACULTURE NUTRITION
卷号24期号:1页码:341-347
摘要An 8-week feeding trial was conducted to investigate the effects of dietary carbohydrate to lipid ratio (CHO: L) on growth, feed utilization, body composition and digestive enzyme activities of golden pompano, Trachinotus ovatus. Five iso-nitrogenous (450g/kg protein) and iso-energetic (19MJ/kg gross energy) diets with varying CHO: L ratios of 0.68, 1.02, 1.62, 2.61 and 4.35, respectively, were fed to triplicate groups of 30 fish (average 13.8 +/- 0.1g). Results showed that dietary CHO: L ratios did not show any significant influence on survival of golden pompano (p>.05) but significantly affected its growth performance and feed utilization (p<.05). Fish fed diets with CHO: L ratios at 1.62 and 2.61 exhibited the highest final body weight, weight gain ratio, specific growth rate, feed efficiency ratio and protein efficiency ratio. Fish body lipid and liver glycogen contents were also significantly influenced by CHO: L ratio (p<.05). Hepatic amylase activity increased firstly and then decreased as the dietary CHO: L ratio increased, while lipases activity decreased with increasing dietary CHO:L level. The regression model analysis showed that the most suitable dietary CHO: L ratio (protein 450g/kg) to reach the highest weight gain ratio is 2.38.
部门归属[Dong, L. -F.; Tong, T.; Zhang, Q.; Xu, M. -Z.] Guangxi Inst Oceanol, Key Lab Marine Biotechnol Guangxi, Beihai, Peoples R China; [Wang, Q. -C.] Huazhong Agr Univ, Coll Fisheries, Key Lab Freshwater Anim Breeding, Minist Agr, Wuhan, Hubei, Peoples R China; [Yu, H. -R.] Weifang Univ, Tianrun Bioengn R&D Ctr Weifang New & High Tech Z, Key Lab Biochem & Mol Biol Univ Shandong, Coll Biol & Agr Engn, Weifang, Peoples R China; [Wang, J.] CAFS, South China Sea Fisheries Res Inst, Key Lab Aquat Prod Proc, Minist Agr, Guangzhou, Guangdong, Peoples R China
学科领域Fisheries
关键词[WOS]body composition ; carbohydrate to lipid ratio ; digestive enzyme activities ; feed utilization ; growth ; Trachinotus ovatus
资助项目LMB
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/17014
专题中科院海洋生物资源可持续利用重点实验室
通讯作者zhangqin821220@163.com
推荐引用方式
GB/T 7714
Dong, LF,Tong, T,Zhang, Q,et al. Effects of dietary carbohydrate to lipid ratio on growth, feed utilization, body composition and digestive enzyme activities of golden pompano (Trachinotus ovatus)[J]. AQUACULTURE NUTRITION,2018,24(1):341-347.
APA Dong, LF.,Tong, T.,Zhang, Q.,Wang, QC.,Xu, MZ.,...&zhangqin821220@163.com.(2018).Effects of dietary carbohydrate to lipid ratio on growth, feed utilization, body composition and digestive enzyme activities of golden pompano (Trachinotus ovatus).AQUACULTURE NUTRITION,24(1),341-347.
MLA Dong, LF,et al."Effects of dietary carbohydrate to lipid ratio on growth, feed utilization, body composition and digestive enzyme activities of golden pompano (Trachinotus ovatus)".AQUACULTURE NUTRITION 24.1(2018):341-347.
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