期刊
RESEARCH IN VETERINARY SCIENCE
卷 123, 期 -, 页码 298-304出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.rvsc.2019.01.006
关键词
Shark liver oil; Alkoxy glycerol; Nile tilapia; Growth performance; Serum immunology
资金
- Centre of Excellence in Food Processing Technology (CEFPT), KUFOS, Kochi, Kerala, India
Fish oil and their compounds derived from the same have immense applications in the improvement of health, brain development, enhancing immunity etc. This study aimed at the supplementation of such a compound alkoxy glycerol derived from shark liver oil in fish diet and thereby analyzing growth as well as immune parameters of Oreochromis niloticus. 400 fishes were distributed into 11 glass tanks, and then fishes were weighed before starting the experiment. (Average weight was found to be 5.3 +/- 0.10 g). Feed was prepared using alkoxy glycerol in the doses like 5, 10, 15 g kg(-1) Fishes were fed with the prepared diet for 30 days and growth parameters like specific growth rate (SGR), weight gain (WG), final weight (FW), and feed conversion ratio (FCR) were measured. On the 30th day, fishes were challenged with 0.1 ml of normal saline solution containing 10(7) CFUml(-1) of Aeromonas hydrophila and disease resistance was monitored. After 30 days of post challenge observation, immunological and lipid peroxidation assays like alternative complement (ACH50), phagocytosis (PI), respiratory burst activities (RB), and serum lysozyme (SL) were performed.
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