effects of different levels of ascorbic acid consisting of 0, 100, 200, 400, 800 and 1600 mg/kg feed were examined on some immune variables of juvenile great sturgeon (huso huso) weighing 38 g at water temperature 20°c for 16 weeks. significant difference were observed in level of lysozyme in fish treated 400 and 1600 mg compared with control group 8 week post-treatment (p0.05) 16 weeks post-tr...
