Efects of dietary vitamins C and E on growth performance, hematological and biochemical parameters, skeletal abnormalities, and disease resistance against V. harveyi of hybrid groupers (Epinephelus fuscoguttatus♀×Epinephelus lanceolatus♂)

Isabella Ebi and Rossita Shapawi and Lim, Leong Seng and Annita Seok Kian Yong and Nurzafrah Mazlan and Muhammad Dawood Shah and Najamuddin Abdul Basri and Abdul Aziz Jaziri (2025) Efects of dietary vitamins C and E on growth performance, hematological and biochemical parameters, skeletal abnormalities, and disease resistance against V. harveyi of hybrid groupers (Epinephelus fuscoguttatus♀×Epinephelus lanceolatus♂). Aquaculture International, 33. pp. 1-16. ISSN 1573-143X

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Abstract

Ensuring a well-balanced diet is paramount for the growth and productivity of farmed fsh. The interplay of nutrients, particularly essential vitamins like C and E, is crucial for supporting growth and maintaining health. This study seeks to explore the impact of varying levels of dietary vitamins C and E on the growth performance, survival rates, hematological and biochemical parameters, skeletal abnormalities, and disease resistance of hybrid grouper juveniles against Vibrio harveyi. Six experimental diets were formulated, varying in vitamin C (0, 20, and 250 mg/kg) and vitamin E (0, 50, and 800 mg/kg) contents. After a 14-week feeding trial, results revealed that vitamin C–defcient diets signifcantly reduced growth performance compared to other treatments. Interestingly, a high level of vitamin C without vitamin E supplementation produced growth efects similar to the control diet. Vitamin C and vitamin E supplementations infuenced both hepatic vitamin C and vitamin E concentrations. Surplus supplementation of vitamin C improves immune response and disease resistance of a hybrid grouper. Skeletal abnormalities were infuenced by dietary vitamin C levels. Overall, supplementation with both vitamins C and E improved growth and disease resistance in hybrid grouper juveniles. Optimal results were achieved with two specifc combinations: 18.3 mg/kg of vitamin C paired with 814.8 mg/kg of vitamin E or 271.8 mg/kg of vitamin C paired with 13.4 mg/kg of vitamin E.

Item Type:	Article
Keyword:	Grouper, Vitamin C, Vitamin E, Skeletal development, Disease resistance
Subjects:	Q Science > QL Zoology > QL1-991 Zoology > QL605-739.8 Chordates. Vertebrates > QL614-639.8 Fishes
Department:	INSTITUTE > Borneo Marine Research Institute
Depositing User:	SITI AZIZAH BINTI IDRIS -
Date Deposited:	10 Jun 2025 11:28
Last Modified:	10 Jun 2025 11:28
URI:	https://eprints.ums.edu.my/id/eprint/43974

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