The effect of garlic (Allium sativum) on survival, growth, blood and body composition in Oscar fish, Astronotus ocellatus

In this study, changes in the survival, growth, body composition and blood parameters Oscar fish (Astronotus Ocellatus), under the influence of garlic extract has been studied. A total of 300 fish Oscar (initial weight 36/0 ± 37/8 g) were distributed in four treatments and each treatment was diet with garlic extract supplement, (0.0%, 0.5%, 1.5% and 2.5%). Period test was 8 weeks and samples were taken and the appropriate parameters were measured by standard methods. Growth indicators such as weight gain (%), SGR and FCR in fish fed garlic extract improved. Crude protein increased in the fish fed with the extracts of garlic 1.5% and lipids was decreased in this treatment. Hb and PCV increased in fish fed with the extracts of garlic and RBC increased significantly in fish fed with the extracts of garlic 1.5% compared to other treatments. The study results indicated that garlic extract beneficial effects on survival, growth, body composition and blood parameters in Oscar fish is the best value in the treatment of garlic extract 1.5%, respectively.