Effects of Dietary Tribulus terrestris Extract Supplementation on Growth, Feed Utilization, Hematological, Immunological, and Biochemical Variables of Nile Tilapia Oreochromis niloticus

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dc.contributor.author Gültepe, Nejdet
dc.contributor.author Acar, Ümit
dc.contributor.author Kesbiç, Osman Sabri
dc.contributor.author Yılmaz, Sevdan
dc.contributor.author Yıldırım, Önder
dc.contributor.author Türker, Ali
dc.date.accessioned 2016-04-19T21:17:57Z
dc.date.available 2016-04-19T21:17:57Z
dc.date.issued 2014
dc.description.abstract The present study was conducted for 88 days to evaluate the effect of dietary Tribulus terrestris supplementation on growth performance, feed utilization, and hematological, immunological, and biochemical indices of Nile tilapia, Oreochromis niloticus. A total of 144 Nile tilapia, average body weight 2.61±0.35 g, were divided into four experimental treatments. There were three replicates of each treatment. Four isonitrogenous (40% CP) and isolipidic (10% CL) experimental diets contained T. terrestris extract at levels of 0, 200, 400 and 600 mg/kg respectively. Growth performance and feed utilization of Nile tilapia were significantly higher (p<0.05) in all treatment groups fed with T.terrestris extract supplemented diets than those fed the control diet. There were no significant differences between body composition of fish (p>0.05). Hematocrit, hemoglobin, mean corpuscular hemoglobin (MCH), mean corpuscular hemoglobin concentration (MCHC), and myeloperoxidase variables were not significantly affected by herb extract (p>0.05). However, mean corpuscular volume (MCV) value and lysozyme activity increased with increasing T. terrestris extract (p<0.05). Serum albumin, total protein, and triglyceride levels were not affected by T. terrestris extract. Serum globulin and glucose levels increased and cholesterol levels decreased in Nile tilapia fed with herbal supplemented diets. The results of the present study suggest that Nile tilapia fed diets containing at least 400 mg/kg T. terrestris extract enhanced growth performance, feed utilization, hematological, immunological, and biochemical indices.
dc.format.extent 8 pages
dc.identifier.issn 0792-156X
dc.identifier.uri http://hdl.handle.net/10524/49098
dc.relation.ispartof The Israeli Journal of Aquaculture - Bamidgeh
dc.subject Nile tilapia
dc.subject immunostimulant
dc.subject herb extract
dc.subject hematology
dc.subject Tribulus terrestris
dc.subject.lcsh Fish culture--Israel.
dc.subject.lcsh Fish culture.
dc.title Effects of Dietary Tribulus terrestris Extract Supplementation on Growth, Feed Utilization, Hematological, Immunological, and Biochemical Variables of Nile Tilapia Oreochromis niloticus
dc.type Article
dc.type.dcmi Text
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Volume 66, 2014