The effects of dietaryBacillus subtilison immune response, hematological parameters, growth performance, and resistance of juvenile olive flounder (Paralichthys olivaceus ) againstStreptococcus iniae
| Autor: | Kim Jae Won, Kim Sung Hun, Kyeong-Jun Lee, Jaehyeong Shin, Seung-Cheol Ji, Woo Seo Hyung, Min-Gi Kim, Ji-Hoon Cha, Chorong Lee |
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| Rok vydání: | 2019 |
| Předmět: |
0106 biological sciences
Innate immune system Paralichthys 010604 marine biology & hydrobiology 04 agricultural and veterinary sciences Bacillus subtilis Aquatic Science Biology biology.organism_classification 01 natural sciences Olive flounder law.invention Probiotic Immune system law 040102 fisheries 0401 agriculture forestry and fisheries Juvenile Streptococcus iniae Food science Agronomy and Crop Science |
| Zdroj: | Journal of the World Aquaculture Society. 51:551-562 |
| ISSN: | 1749-7345 0893-8849 |
| Popis: | We investigated the effects of different levels of dietary Bacillus subtilis (BS) on innate immunity, growth performance, feed utilization, and disease resistance of juvenile olive flounder. A control diet was formulated without probiotic, and three other diets were prepared adding different doses (1 × 10⁷, 3 × 10⁷, and 5 × 10⁷ CFU/g feed) of BS (designated as Control, BS1, BS3, and BS5, respectively). Triplicate groups of fish (initial body weight, 25 g) were fed for 12 weeks. Fish fed BS‐containing diets showed significantly higher nonspecific immune responses than fish fed the control diet. Fish fed the BS5 diet showed significantly higher growth performance and feed utilization efficiency than fish fed the control diet. Fish fed the BS diets showed remarkably higher resistance against Streptococcus iniae than fish fed the control diet. These results indicate that BS supplementation at a dose of 5 × 10⁷ CFU/g diet can improve innate immunity, growth performance, feed utilization, and disease resistance against S. iniae in olive flounder. |
| Databáze: | OpenAIRE |
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