Carcass proximate composition of juvenile white sturgeon (acipenser transmontanus) |
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| Institution: | 1. State Key Laboratory of Freshwater Ecology and Biotechnology, Key Laboratory of Aquaculture Disease Control, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei Province 430072, China;2. School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province 266109, China;3. Marine Science Research Institute of Shandong Province & National Oceanographic Center, Qingdao, Shandong Province 266104, China;4. College of Animal Science and Technology, Yangtze University, Jingzhou 434025, China;5. Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, Shandong Province 266237, China |
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| Abstract: | - 1.1. Body wt, carcass wt, liver wt, gonad wt, total length, and carcass proximate compositions of 8- to 32-month-old cultured sturgeon were significantly affected (P < 0.05) by ages.
- 2.2. Correlation coefficients were significant between age and body wt (r = 0.96), carcass wt (r = 0.96), total length (r = 0.92), liver wt (r = 0.88), gonad wt (r = 0.76), gonadosomatic index (r = 0.52), carcass moisture (r = ?0.93), crude protein (r = 0.62) and lipid (r = 0.57).
- 3.3. The carcass proximate compositions of cultured sturgeon were 72.1–79.4% moisture, 13.5–17.5% crude protein, 3.4–7.4% crude lipid, and 4.2–5.0% ash.
- 4.4. A high variability in the body measurements and carcass proximate compositions of some cultured sturgeon suggested high potential for genetic and nutrition improvements in culturing these fish in hatcheries.
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