Aquaculture Nutrition, Journal Year: 2024, Volume and Issue: 2024(1)

Published: Jan. 1, 2024

The dietary lipid level is closely associated with ovarian maturation of broodstock. However, optimal requirements during broodstock gonad development for aquatic animals remain limited. In order to assess the impact levels (6%, 8%, 10%, 12%, and 14% lipid, denoted as L6%, L8%, L10%, L12%, L14%) on maturation, antioxidant status, messenger RNA (mRNA) expression genes involved in metabolism Macrobrachium rosenbergii (initial weight 10.53 ± 1.97 g), this study carried out an 8‐week feeding experiment. findings showed that while there was no significant difference survival rate across groups ( p > 0.05), gain observed prawns fed 8% lipid‐level diet significantly higher than those other diets < 0.05). hepatosomatic index gonadosomatic a increase rise More ovaries from M. reached stages Ⅲ Ⅳ after being supplemented between 14%. Serum glucose content did not show any among all but serum triglyceride total cholesterol increased followed by decreasing trend increasing lipids, both peaking 10% diet. Furthermore, progesterone (PROG) 17 β ‐estradiol (E 2 ) 12% were compared Based E PROG content, needed maximal determined be 11.79% 10.88%, respectively. Moreover, more endogenous vitellogenic oocytes diets, compact arrangement less tightly arranged structure tissue diets. With levels, activity superoxide dismutase. activities capacity glutathione peroxidase initially then decreased significantly, at respectively malondialdehyde its lowest point containing lipid. addition, mRNA expressions hepatopancreatic diacylglycerol acyltransferase acetyl‐CoA carboxylase highest values Conversely, decrease carnitine palmitoyltransferase‐1a increased. fatty acid‐binding proteins conclusion, ranging are beneficial health

Language: Английский