RESPONSE OF NILE TILAPIA, Oreochromis niloticus. FINGERLINGS TO DIETS SUPPLEMENTED WITH DIFFERENT LEVELS OF FENUGREEK SEEDS (HULBA)

Document Type : Original Article

Author

National Institute of Oceanography and Fisheries, Alexand ria, Egypt

Abstract

Five experimental isonitrogenous (30% crude protein) and isoenergitic diets
(446 kcal gross energy 11009 dry feed) were formulated to contain 0. 2. 4. 6 and 8 %
of fenugreek seeds meal (FSM). aiming to study the effects of different levels of FSM
on growth performance. feed and nutrients utilization, body composition, levels of
plasma glucose, total plasma lipids (fPL) and total plasma proteins (TPP). activity of
liver enzymes and cost-benefit analysis of Nile tilapia fingerlings. Ten glass aquaria.
with the dimensions of 70x30x 40 cm, were used to stock 10 fish (averaging 6
glfish)leach. Fish fed 3-5 % of the body weight daily at three meals. six days a week
for 77 days. Fish were weighed biweekly and feed amounts were adjusted on the
basis of the new weight. ‘
Results showed that fish fed diets containing 2% FSM had significantly
higher (P<0.05) body weight. weight gain, SGR. FCR and PER than those fed the
control diet and other supplemented fenugreek seed levels. Howaver, FSM levels of 6
and 8% gave significantly (P<0.05) lower growth performance parameters, FCR. PER.
PPVU/o and ER% than the control diet. No significant differences (P) 0.05) were
o‘rscrved in moisture. crude protein. ether extract. ash and energy contentof Nile
tilapla fed diets containing various levels of FSM. However. plasma glucose.total
protein and total lipid concentrations were decreased as FSM levels increased in the
experimental diets. Cost-benefit analysis indicated that the 2% FSM level was more
economically than other fenugreek seed suppiemented levels.

Keywords

Journal of Animal and Poultry Production
Volume 29, Issue 5
May 2004
Pages 2231-2242

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