The role of starter diets in the development of skeletal abnormalities in zebrafish Danio rerio (Hamilton, 1822)

Type Article
Date 2023-06
Language English
Author(s) Antinero Ariel1, Printzi Aliki1, 2, Kourkouta Chara1, Fragkoulis Stefanos1, Mazurais DavidORCID2, Zambonino Infante Jose-LuisORCID2, Koumoundouros GeorgeORCID1
Affiliation(s) 1 : Biology Department University of Crete Heraklion, Greece
2 : IFREMER, University of Brest, CNRS, IRD, LEMAR Plouzané, France
Source Journal Of Fish Diseases (0140-7775) (Wiley), 2023-06 , Vol. 46 , N. 6 , P. 697-705
DOI 10.1111/jfd.13779
WOS© Times Cited 3
Keyword(s) abnormalities, finfish larvae, lordosis, nutrition, scoliosis, skeleton
Abstract

Fish skeletal development has long been correlated with nutritional factors. Lack of zebrafish nutritional standardization, especially during the early stages, decreases the reproducibility of the conducted research. The present study represents an evaluation of four commercial (A, D, zebrafish specific; B, generic for freshwater larvae; C, specific for marine fish larvae) and one experimental (Ctrl) early diets on zebrafish skeletal development. Skeletal abnormalities rates in the different experimental groups were assessed at the end of the larval period (20 days post-fertilization, dpf) and after a swimming challenge test (SCT, 20–24 dpf). At 20 dpf, results revealed a significant effect of diet on the rate of caudal-peduncle scoliosis and gill-cover abnormalities, which were relatively elevated in B and C groups. SCT results focused on swimming-induced lordosis, which was comparatively elevated in diets C and D (83% ± 7% and 75% ± 10%, respectively, vs. 52% ± 18% in diet A). No significant effects of dry diets were observed on the survival and growth rate of zebrafish. Results are discussed with respect to the deferential diet composition between the groups and the species requirements. A potential nutritional control of haemal lordosis in finfish aquaculture is suggested.

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Antinero Ariel, Printzi Aliki, Kourkouta Chara, Fragkoulis Stefanos, Mazurais David, Zambonino Infante Jose-Luis, Koumoundouros George (2023). The role of starter diets in the development of skeletal abnormalities in zebrafish Danio rerio (Hamilton, 1822). Journal Of Fish Diseases, 46(6), 697-705. Publisher's official version : https://doi.org/10.1111/jfd.13779 , Open Access version : https://archimer.ifremer.fr/doc/00825/93678/