tailieunhanh - Effects of turmeric residue on hematological parameters, nutrient digestibility and growth performance of hybrid catfish (Clarias gariepinus x Heterobranchus bidorsalis)

Turmeric residue (TR), which is obtained from the extraction process of curcuminoids, may remain biological active compounds. This study was conducted to examine the effects of the TR on hematological parameters, nutrient digestibility, and growth performance in hybrid catfish (Clarias gariepinus × Heterobranchus bidorsalis). | HNUE JOURNAL OF SCIENCE DOI Natural Sciences 2020 Volume 65 Issue 10 pp. 134-142 This paper is available online at http EFFECTS OF TURMERIC RESIDUE ON HEMATOLOGICAL PARAMETERS NUTRIENT DIGESTIBILITY AND GROWTH PERFORMANCE OF HYBRID CATFISH Clarias gariepinus Heterobranchus bidorsalis Nguyen Phuc Hung1 Do Thi Nguyen2 and Nguyen Mai Phuong2 1 Faculty of Biology Hanoi National University of Education 2 Student of the Faculty of Biology Hanoi National University of Education Abstract. Turmeric residue TR which is obtained from the extraction process of curcuminoids may remain biological active compounds. This study was conducted to examine the effects of the TR on hematological parameters nutrient digestibility and growth performance in hybrid catfish Clarias gariepinus Heterobranchus bidorsalis . Three experimental diets were formulated denoted as follows BD Basal diet BTR1D BD plus 1 TR powder and BTR2D BD plus 2 TR powder . Twelve juvenile hybrid catfish with an initial body weight of 180 g were allocated to each of the 6 concrete tanks 350-L holding capacity resulting in two replicate tanks per dietary treatment. For 4 weeks the fish were hand-fed the experimental diets to apparent satiation twice daily. The results showed that the final body weight and weight gain tended to increase in fish fed TR-supplemented diets and significant differences were recorded in the BTR2D group as compared to the BD group P lt . In contrast FCR values were decreased in fish fed BTR1D and BTR2D in comparison with those fed BD and the FCR value of the BTR2D group was significantly lower than that of the BD group P lt . Hemoglobin concentration white blood cell count and protein and lipid apparent digestibility coefficients were higher in fish fed TR-supplemented diets than those fed BD. These results indicated that dietary supplementation of the TR was beneficial to hematological parameters nutrient digestibility growth .

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