Curcuma longa hydrolate improves Nile tilapia survival in a recirculation rearing system, maintaining the animal homeostasis and modulating the gut microbial community

Non-Conventional Ingredients for Tilapia (Oreochromis spp.) Feed: A Systematic Review

“…It is also noteworthy that in two reviewed studies where C. nucifera oil was added to the diets, contrasting results were registered in the control, SSS in one [16] and SSI in the other [37]. Hydrolate of C. longa did not register SSD related to the control when added to the diets [18]. But when supplementation with curcumin was carried out, SSS were obtained [19].…”

“…It is noteworthy that some of the treatments where the alternative diets were evaluated, showed statistically significant increases in survival rates with respect to the control. The authors of these studies attribute this to different reasons, such as: stimulation of the production of total leukocytes, thus improving the immune system, which could have been induced by C. longa hydrolate [18]; increased nutrient availability and use of food and digestive enzyme activity due to the inclusion of polysaccharides derived from P. vera peels [53]; improved condition and integrity of livers and lower concentration of total heterotrophic bacteria and Pseudomonas sp. in the intestine, possibly caused by the essential oil of L. origanoides [24]; presence of phytochemicals in P. juliflora with antioxidant activity [142] cited by [56] and antimicrobial activity [143,144] cited by [56]; possible induction of the innate response against disease caused by Aeromonas veronii by the presence of antioxidants in M. nigra syrup [47]; increase in the quality of the medium by adding C. lentillifera at 2% [100]; stimulation of the fish immune system by adding tilapia fillet by-product in the diet at 8% [129].…”