Volume 3, Issue 4 (3-2017)                   NBR 2017, 3(4): 269-278 | Back to browse issues page

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Enayat Gholampour T, Jafari V, Imanpour M R, Kolangi Miandare H. The effects of hydro-alcoholic extract of Vitex agnus-castus L. on the growth indices and survival rate in Zebrafish (Danio rerio). NBR 2017; 3 (4) :269-278
URL: http://nbr.khu.ac.ir/article-1-2788-en.html
Abstract:   (6146 Views)

In the research project performed, the effects of different levels of hydro-alcoholic extract Vitex agnus-castus were investigated as nutritional supplement on growth parameters of Danio rerio for 4 months. Since the beginning of the feeding phase up to the age of 4 months (average weight: 2.1±0.1g, length: 5.2±0.3 cm), larvae were fed with expe-rimental diets. Fish treated with diets containing plant extracts had higher growth and survival rate than the control gr-oup (p<0.05). Differences in the level of the extract had no significant effect on the survival rate (p<0.05). The results revealed that the diet containing 15 gr of the extract resulted in the best FCR significantly (p<0.05). By increasing the extract in the diet during the experiment, SGR increased. The highest and the lowest %BWG were observed in treatm-ents T3 and T0 respectively (p<0.05). The highest CF was observed in T3 and the lowest was obtained in T0. All in all, this study proposed that the addition of 15 gr of hydro-alcoholic extract of Vitex agnus-castus in the diet of zebrafish could improve the performance of the growth indices and increase the final biomass. In addition, this extract could be considered as a suitable supplement for Cyprinidae diet.

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Type of Study: Original Article | Subject: Plant Biology
Received: 2017/03/13 | Revised: 2017/05/5 | Accepted: 2017/03/13 | Published: 2017/03/13 | ePublished: 2017/03/13

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