Parental LC-PUFA biosynthesis capacity and nutritional intervention with alpha-linolenic acid affect performance of <i>Sparus aurata</i> progeny.

Turkmen S., Zamorano M. J., Xu H., Fernández-Palacios H., Robaina L., Kaushik S., ...More

The Journal of experimental biology, vol.223, 2020 (SCI-Expanded) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 223
  • Publication Date: 2020
  • Doi Number: 10.1242/jeb.214999
  • Journal Name: The Journal of experimental biology
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Agricultural & Environmental Science Database, Animal Behavior Abstracts, Aquatic Science & Fisheries Abstracts (ASFA), Artic & Antarctic Regions, BIOSIS, CAB Abstracts, EMBASE, MEDLINE, Veterinary Science Database
  • Keywords: Nutritional adaptation, Offspring nutrition, Parental nutrition, Long-chain polyunsaturated fatty acids, Fatty acid desaturase, fads2, Epigenetics, Aquaculture, Nutritional programming, FISH-OIL REPLACEMENT, SEA-BASS, BROODSTOCK NUTRITION, GENE-EXPRESSION, TISSUE COMPOSITION, FATTY-ACIDS, GROWTH, SEABREAM, METABOLISM, EPIGENETICS
  • Çukurova University Affiliated: Yes


Environmental factors such as nutritional interventions during early developmental stages affect and establish long-term metabolic changes in all animals. Diet during the spawning period has a nutritional programming effect in offspring of gilthead seabream and affects long-term metabolism. Studies showed modulation of genes such as fads2, which is considered to be a rate-limiting step in the synthesis of n-3 long-chain polyunsaturated fatty acids (n-3 LC-PUFA). However, it is still unknown whether this adaptation is related to the presence of precursors or to limitations in the pre-formed products, n-3 LC-PUFA, contained in the diets used during nutritional programming. This study investigated the combined effects of nutritional programming on Sparus aurata through broodstock diets during the spawning period and in broodfish showing higher or lower fads2 expression levels in the blood after 1 month of feeding with a diet containing high levels of plant protein sources and vegetable oils (VM/VO). Broodfish showing high fads2 expression had a noticeable improvement in spawning quality parameters as well as in the growth of 6 month old offspring when challenged with a high VM/VO diet. Further, nutritional conditioning with 18:3n-3-rich diets had an adverse effect in comparison to progeny obtained from fish fed high fish meal and fish oil (FM/FO) diets, with a reduction in growth of juveniles. Improved growth of progeny from the high fads2 broodstock combined with similar muscle fatty acid profiles is also an excellent option for tailoring and increasing the flesh n-3 LC-PUFA levels to meet the recommended dietary allowances for human consumption.