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The essential fatty acid requirement of milkfish (Chanos chanos Forsskal)

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วันที่
1992
ผู้เขียน
Borlongan, Ilda G.
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นามธรรม
The essential fatty acid (EFA) requirement of milkfish was examined by a 12-week feeding trial using defined, purified diets at water temperature of 28–29°C and salinity of 32‰. The test diets contained varying levels of 18:0 (triglyceride form, TG), 18:3(n−3), 18:2(n−6) and (n−3) highly unsaturated fatty acids (n−3 HUFA). Milkfish juveniles were starved for 7 days and were than fed lipid-free diet for 30 days before the initiation of feeding trials. Low growth and feed efficiency together with high mortalities were observed in fish fed the lipid-free diet as well as in the EFA-deficient diet. Supplementation of 2% 18:2(n−6) to the tristearin based diet did not improve growth rate of milkfish as effectively as feeding with (n−3) fatty acids. The highest weight gain was obtained in milkfish fed a combination of 5% 18:0 + 1.0% 18:3(n−3) + 0.5% 20:5(n−3) + 0.5% 22:6(n−3) although the supplementation of 2% 18:3(n−3) alone or combination of 0.5% 20:5(n−3) + 0.5% 22:6(n−3) to the tristearin based diets were also effective for improvement of growth. Thus, (n−3) fatty acids, such as 18:3(n−3) and (n−3)HUFA were nutritionally more important than 18:2(n−6) for milkfish. The fatty acid composition of the polar lipids from whole body of milkfish juveniles fed the various test diets were influenced by the composition of the dietary fatty acids.
URI
http://hdl.handle.net/10862/1367
การอ้างอิง
Borlongan, I. G. (1992). The essential fatty acid requirement of milkfish (Chanos chanos Forsskal). Fish Physiology and Biochemistry, 9(5-6), 401-407.
เรื่อง
Animal nutrition; Diets; Fatty acids; Feeding experiments; Fish culture; Growth; Juveniles; Lipids; Polyunsaturated fatty acids; Gas chromatography; Milkfish; Chanos chanos
คอลเลกชัน
  • AQD [1115]

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