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Dietary Non-protein Energy Sources Regulate Growth and Digestion of Barramundi Juvenile (Lates calcarifer)

Dietary Non-protein Energy Sources Regulate Growth and Digestion of Barramundi Juvenile (Lates calcarifer)

Zhengyi Fu1,2,3,4, Rui Yang2,3,4, Zhenhua Ma2,3,4*, Mingyang Han2,3,4 and Yifu Wang2,3,4

1Ocean College, Hainan University, Haikou, 570228, P.R. China 
2Tropical Aquaculture Research and Development Center, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Sanya 572018, P.R. China
3Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture, Guangzhou, 510300, P.R. China
4Sanya Tropical Fisheries Research Institute, Sanya 572018, P.R. China

*      Corresponding author: zhenhua.ma@hotmail.com

Fig. 1.

The gastrointestinal tract of barramundi is influenced by different diets. Representative foregut histological sections (20×magnification) are shown on the left (Panels a–C; b–HL; c–HC). Circle indicate the location of goblet cell; Yellow double-arrow line segments indicate the height of the mucosa; green double-arrow line segments indicate muscularis thickness; LU: lumen. Average activity of goblet cell number (Panel d), mucosal height (Panel e) and were muscular thickness (Panel f) measured from sections of the foregut barramundi fed experimental diet (C, HL, HC). Different superscript letters indicate significant differences among treatments (P<0.05). Error bars represent standard error.

Fig. 2.

Activity of lipase, amylaseand and pepsin in barramundi fed experimental diet. Different superscript letters indicate significant differences among treatments (P<0.05). Error bars represent standard error.

Fig 1

The gastrointestinal tract of barramundi is influenced by different diets. Representative foregut histological sections (20×magnification) are shown on the left (Panels a–C; b–HL; c–HC). Circle indicate the location of goblet cell; Yellow double-arrow line segments indicate the height of the mucosa; green double-arrow line segments indicate muscularis thickness; LU: lumen. Average activity of goblet cell number (Panel d), mucosal height (Panel e) and were muscular thickness (Panel f) measured from sections of the foregut barramundi fed experimental diet (C, HL, HC). Different superscript letters indicate significant differences among treatments (P<0.05). Error bars represent standard error.

 

Pakistan Journal of Zoology

October

Vol. 53, Iss. 5, Pages 1603-2000

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