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The inclusion of algae Gracilaria domingensis in the diet of mullet juveniles (Mugil liza) improves the immune response.
- Source :
-
Journal of Applied Aquaculture . 2019, Vol. 31 Issue 3, p210-223. 14p. - Publication Year :
- 2019
-
Abstract
- Five isonitrogenous and isolipidic diets were prepared with different inclusion levels of Gracilaria domingensis (GD; 0%, 5%, 10%, 15%, and 20%) with the objective to test its effects on growth and mullet immune system. The experimental diets were fed to juvenile mullet (Mugil liza, 0.42 ± 0.03g) for 60 days. The growth and expression of anti-CD3 and anti-CD4 primary antibodies for T lymphocytes were evaluated. Fish growth and feed conversion ratio decreased insignificantly by increasing GD levels up to 10% level, after which fish growth was significantly retarded. On the other hand, no significant difference was observed in granulocytes, lymphocytes, and monocytes values due to GD supplementation. Mullet fed with GD-enriched diets had a higher expression of anti-CD3 and anti-CD4 antibodies than those fed the control diet. It is concluded that a 5% inclusion level of G. domingensis in the diet increases immune competence without compromising fish growth. [ABSTRACT FROM AUTHOR]
- Subjects :
- *IMMUNE response
*T cells
*FISH nutrition
*ALGAE
*FISH feeds
*FISH growth
*MONOCYTES
Subjects
Details
- Language :
- English
- ISSN :
- 10454438
- Volume :
- 31
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Journal of Applied Aquaculture
- Publication Type :
- Academic Journal
- Accession number :
- 138648138
- Full Text :
- https://doi.org/10.1080/10454438.2018.1539693