Abstract
Digeston-1 is a probiotic product produced by controlled lactic acid fermentation with natural lactic acid bacteria. In the present study, a total of 150 fish with average initial body weight 10.11 g were randomly stocked into 15 aquaria to study the effect of Digeston-1 on performance and growth parameters of Nile tilapia (Oreochromis niloticus fingerlings. Results revealed that the group fed diet contain Digeston-1 recorded the highest (P 0.05) differences among the tested dietary treatments. The treated diets had slightly higher white blood cells count, red blood cells count, hemoglobin and PCV than control diet. On contrast, total protein was increased (P>0.05) by Digeston-1 supplementation specifically, by 0.50% and 0.70% level. Moreover, Digeston-1 supplementation had no significant effect (P>0.05) on Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) concentrations compared with unsupplemented group. It is concluded that the addition of Digeston-1 diets at 0.5% (D3) level improve and enhance the growth performance of Nile tilapia, Oreochromis niloticus, fingerlings.
Highlights
Soybean meal (SBM) is commonly used as an effective plantderived protein in animal feed industry
Feed intakes were significantly decreased (P
Feeding supplemental diets with Digeston-1 to fish groups (D4 and D5) had significant decreased values (P
Summary
Soybean meal (SBM) is commonly used as an effective plantderived protein in animal feed industry. In Far East Asia, fermentation processes have been used to prepare traditional soybean food commonly known as “Dou-BianJiang” in China, “Miso” in Japan, and “DuenJang” in Korea [3]. These fermented soy food are highly digestible and nutritious, contributing important nutrients including calcium and Vitamins A and B, as well as functional properties such as laxative effects, and anti-cancer properties [4]. Wu and Jing [7] suggested that, fermentation could improve protein digestibility, essential amino acid index and protein efficiency ratio of soybean meal. The current study was conducted to evaluate growth performance and plasma biochemical parameters in Nile tilapia (Oreochromis niloticus) fingerlings fed a FSBM diet
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