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.authorGültepe, Nejdet
dc.contributor.authorAcar, Ümit
dc.contributor.authorKesbiç, Osman Sabri
dc.contributor.authorYılmaz, Sevdan
dc.contributor.authorYıldırım, Önder
dc.contributor.authorTürker, Ali
dc.date.accessioned2016-04-19T21:17:57Z
dc.date.available2016-04-19T21:17:57Z
dc.date.issued2014
dc.description.abstractThe 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.extent8 pages
dc.identifier.issn0792-156X
dc.identifier.urihttp://hdl.handle.net/10524/49098
dc.relation.ispartofThe Israeli Journal of Aquaculture - Bamidgeh
dc.subjectNile tilapia
dc.subjectimmunostimulant
dc.subjectherb extract
dc.subjecthematology
dc.subjectTribulus terrestris
dc.subject.lcshFish culture--Israel.
dc.subject.lcshFish culture.
dc.titleEffects of Dietary Tribulus terrestris Extract Supplementation on Growth, Feed Utilization, Hematological, Immunological, and Biochemical Variables of Nile Tilapia Oreochromis niloticus
dc.typeArticle
dc.type.dcmiText

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Volume 66, 2014