2020
DOI: 10.1590/1678-4162-11811
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Supplementation of Curcuma longa hydrolate improves immunomodulatory response in Nile tilapia reared in a recirculation aquaculture system

Abstract: The objective of this study was to evaluate the effects of dietary supplementation with different doses of Curcuma longa hydrolate on the hematological, immunological and zootechnical parameters of Nile tilapia cultivated in a recirculation system (RAS). Nile tilapia (Oreochromis niloticus) were used, distributed in 16 polyethylene boxes, divided into four treatments: 0.0%; 2.5%; 7.5% and 10.0% of Curcuma longa hydrolate, in quadruplicate. After 45 days of treatment, four fish per experimental unit were anesth… Show more

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Cited by 10 publications
(5 citation statements)
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References 20 publications
(12 reference statements)
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“…Silva et al (2021) recorded the antiparasitic effect of the same hydrolate used in our work against monogeneans for tilapia. Furthermore, the dietary addition of Curcuma longa hydrolate to Nile tilapia showed benefits in the intestinal microbial community and increased the number of circulating lymphophytes, leading to a better physiological performance of Nile tilapia by maintaining fish homeostasis in rearing conditions (Pereira et al, 2020;. This information corroborates our data, demonstrating the use of hydrolates as an important alternative to chemotherapy in aquaculture.…”
Section: Resultssupporting
confidence: 88%
“…Silva et al (2021) recorded the antiparasitic effect of the same hydrolate used in our work against monogeneans for tilapia. Furthermore, the dietary addition of Curcuma longa hydrolate to Nile tilapia showed benefits in the intestinal microbial community and increased the number of circulating lymphophytes, leading to a better physiological performance of Nile tilapia by maintaining fish homeostasis in rearing conditions (Pereira et al, 2020;. This information corroborates our data, demonstrating the use of hydrolates as an important alternative to chemotherapy in aquaculture.…”
Section: Resultssupporting
confidence: 88%
“…Lymphocytes and monocytes percentages significantly ( P > 0.05) increased; meanwhile neutrophils percentage significantly ( P > 0.05) decreased as C-NPs levels in diets increased (Table 4 ). Monocytes are referred to as macrophages and are responsible for the processing and presenting antigens to lymphocytes, linking the innate and adaptive immune system (Zachary et al 2018 ; Pereira et al 2020 ). The higher presence of circulating monocytes and lymphocytes in C-NPs-fed fish is associated with the improved immunomodulatory properties.…”
Section: Discussionmentioning
confidence: 99%
“…Similar results were observed by Sahu et al ( 2008 ) in Labeo rohita fed a diet supplemented with turmeric, C. longa. Pereira et al ( 2020 ) found that feeding Nile tilapia on diets with turmeric hydrolate resulted in a significant increase of monocytes and lymphocytes in relation to the control group.…”
Section: Discussionmentioning
confidence: 99%
“…This helpful association of curcumin with the metabolism and nutrients contained in Nile tilapia’s blood has been reported previously [ 83 , 99 , 100 ]. The increased levels of monocytes and neutrophils in diets containing CUR-NPs and CUR are liked to improve innate and adaptive immune response pathways in fish [ 2 , 17 , 101 ]. Curcumin may activate macrophages and neutrophils to produce reactive oxygen species (ROS), thereby increasing phagocytic activity and improving immunity [ 83 , 102 ].…”
Section: Discussionmentioning
confidence: 99%