Improving effect of garlic (Allium sativum) powder as a supplement on growth performance and immune system of Siberian sturgeon (Acipenser baerii) juveniles

Effect of different level of Allium sativum on growth performances and some immune system indices of juvenile Acipenser baerii were investigated. 150 Acipenser baerii juveniles by the average weight of 30.45±0.40g without significant difference were stocked in fifteen fiberglass tanks and fed by five diets with different level of added garlic powder (0, 0.5, 1, 1.5, 2%), including AS0¡ AS0.5¡ AS1¡AS1.5¡ AS2 for 8 weeks. At the end of the feeding trial, highest of final weight, weight gain, daily growth rate, the specific growth rate was due to fish fed by AS0.5 and AS1 which had a significant difference with fish fed by control (AS0) diet (P