Effect of starvation and re-feeding on growth performance and content of plasma lipids, glucose and insulin in cultured juvenile Persian sturgeon (Acipenser persicusBorodin, 1897)

Abstract

Summary The effect of starvation and subsequent re‐feeding to satiation on compensatory growth performance, insulin and blood serum values were investigated in juvenile Persian sturgeon (Acipencer persicus) with an average weight 108.04 ± 0.28 g (mean ± SEM) and in the same rearing condition over an 8‐week period. Sturgeons were allocated to one of five feeding treatments: controls (C, continuous feeding), W1 (1 week starvation), W2 (2 weeks starvation), W3 (3 weeks starvation) and W4 (4 weeks starvation), followed by a single 4 weeks of re‐feeding to satiation. Changes in growth performance and blood serum indices were examined at the end of weeks 4 and 8. Body weight, specific growth rate (SGR), condition factor (CF) and weight gain were determined to have significantly decreased during starvation. Fish starved for 1 week reached the same weight as the control fish after re‐feeding for 4 weeks, indicating that complete compensatory growth occurred. Although the specific growth rate in W2, W3 and W4 fish was greater than that in the control fish after re‐feeding, W2, W3 and W4 fish did not reach the same body weight as control fish at the end of re‐feeding period, and showed partial compensation only. Blood plasma, glucose and insulin concentrations did not change significantly during starvation and re‐feeding (P > 0.05). This suggests that sturgeon are able to maintain glycaemia during starvation, probably due to their non‐carbohydrate dietary source. Plasma total lipid and triglyceride levels increased in starvation treatments, whereas the increases were significant only in W3 treatment (P < 0.05). After a 4‐week re‐feeding period, their levels decreased in comparison to the starvation periods. Increases in plasma total lipid and triglyceride levels appear to be due to their roles as preferred nutrients for mobilization in Persian sturgeon and the magnitude and duration of compensatory growth depended on the length of food deprivation.

Effect of Nutritional Status on the Osmoregulation of Green Sturgeon (Acipenser medirostris)

“…Body weight decreased systematically over the 4-wk period, with the 100% OFR group exhibiting an approximate 64% increase in body weight, while the 12.5% OFR group lost 11% in accordance with previous studies in feed-deprived, larger (mean 5 SE, 377516 g) white sturgeon and smaller (mean 5 SE, 108 5 0.3 g) Persian sturgeon (Acipenser persicus) juveniles Yarmohammadi et al 2012). Following the 4-wk feed restriction trial, the 100% OFR group exhibited whole-body lipid values similar to those of juvenile green sturgeon (mean 5 SE, 30 5 2 g; Lee et al 2011) fed using the same optimum feeding rate model (Cui and Hung 1995).…”

Insight into The Role of Alternative Starvation-Refeeding Regime in Oreochromis niloticus Fingerlings Performance

“…The results are in accordance with Yarmohammadi et al, (2015). However, Cho (2009) andCho et al, (2006), Cho & Cho (2009) reported no significant differences in ALT and AST levels of olive flounder subjected to 8 weeks fasting between fed and starved groups; but, was increasingly significant in olive flounder after 4 weeks starvation.…”

“…Additionally, full compensation (Kim and Lovell, 1995;Gaylord and Gatlin, 2001;Zhu et al, 2001Zhu et al, , 2005Qin, 2003, 2004;Nikki et al, 2004;Oh et al, 2007) and over compensation levels have also been obtained (Hayward et al, 1997;Turano et al, 2007). Yarmohammadi et al, (2015) Findings showed that the juvenile Persian sturgeon starved for 1,2, and 4 weeks showed complete compensatory growth while fish starved for 3 weeks showed partial compensatory growth. This means that the compensatory response depends on the length of feed deprivation.…”

The metabolic effects of feeding and fasting in beluga Huso huso

“…Only short-term (4e5 weeks) effects of starvation on white epaxial muscle have been studied in white sturgeon Acipenser transmontanus (Kiessling et al, 1993). In addition, some other studies on lake sturgeon A. fulvescens (Gillis and Ballantyne, 1996), white sturgeon (Hung et al, 1997), Chinese sturgeon Acipenser sinensis (Liu et al, 2011), beluga Huso huso (Falahatkar et al, in press), Adriatic sturgeon Acipenser naccarii (Furné et al, 2012) and Persian sturgeon Acipenser persicus (Yarmohammadi et al, 2012) showed the effect of starvation on some morphoephysiological parameters.…”