Agricultural Research,Education and Extension Organization Iranian Journal of Fisheries Sciences 1562-2916 17 2 2018 04 01 Effects of dietary supplementation of date palm (Phoenix dactylifera) seed extract on body composition, lipid peroxidation and tissue quality of common carp (Cyprinus carpio) juveniles based on the total volatile nitrogen test. 394 402 115477 10.22092/ijfs.2018.115477 EN Maryam Mohammadi Department of Aquaculture, Science and Research Branch, Islamic Azad University, Tehran, Iran Mehdi Soltani Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran A Siahpoosh Medicinal Plants Research Center and Department of Pharmacognosy, Faculty of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran M Shamsaie Department of Aquaculture, Science and Research Branch, Islamic Azad University, Tehran, Iran Journal Article 2016 05 08 Date palm seed (Phoenix dactylifera) (DPS) extract has been used worldwide in pharmaceutical agent due to its constituents. This study aimed to assess the effects of DPS extract as a dietary supplementation at on the body composition, lipid peroxidation and tissue quality of common carp (Cyprinus carpio) based on the total volatile nitrogen (TVN) test. Common carp juveniles weighing ca 32 g were cultured in 26°C freshwater for 60 days and fed with diets supplemented with 0.5%, 1%, 2% and 4% of DPS extract. At the end of the trail, the crude protein (p>0.05) and crude lipid (p https://jifro.areeo.ac.ir/article_115477_e0de31fbe942ed3016a6be5e5d661924.pdf