Growth improvement of Eurasian perch (Perca fluviatilis) using domesticated strains under intensive rearing conditions

Rougeot, Carole; Bervillers, C.; Prignon, Christian; Gustin, Denis; Giudice, Marco Del; Vandecan, Michaël; Mélard, Charles

doi:10.1016/j.aquaculture.2007.07.175

Cited by 3 publications

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“…The process of domestication changed the morphology, physiology, and reproduction of the domesticated Eurasian perch. Domesticated Eurasian perch demonstrate significant differences in growth performance [ 13 , 14 ], immune capacity and resistance to chronic stress [ 8 , 12 , 15 ] as well as differences in the values of n-3 polyunsaturated fatty acid in the liver [ 16 ], the gonadosomatic (GSI), hepatosomatic (HSI), and viscerosomatic (VSI) indices [ 17 ], which facilitate being reared in limited spaces at high densities under commercially prepared diets [ 7 , 18 ]. Following spawning however, domesticated Eurasian perch demonstrate a higher broodstock mortality [ 17 ].…”

Section: Introductionmentioning

confidence: 99%

Domestication drive the changes of immune and digestive system of Eurasian perch (Perca fluviatilis)

et al. 2017

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Domestication has altered a variety of traits within the Eurasian perch (Perca fluviatilis), including phenotypic, physiological and behavioral traits of Eurasian perch (Perca fluviatilis). Little is known, however, about the genetic changes between domesticated and wild Eurasian perch. In this study, we assembled a high-quality de novo reference transcriptome and identified differentially expressed genes between wild and domesticated Eurasian perch. A total of 113,709 transcripts were assembled, and 58,380 transcripts were annotated. Transcriptomic comparison revealed 630 differentially expressed genes between domesticated and wild Eurasian perch. Within domesticated Eurasian perch there were 412 genes that were up-regulated including MHCI, MHCII, chia, ighm within immune system development. There were 218 genes including try1, ctrl, ctrb, cela3b, cpa1 and cpb1, which were down-regulated that were associated with digestive processes. Our results indicated domestication drives the changes of immune and digestive system of Eurasian perch. Our study not only provide valuable genetic resources for further studies in Eurasian perch, but also provide novel insights into the genetic basis of physiological changes in Eurasian perch during domestication process.

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Section: Introductionmentioning

confidence: 99%

Domestication drive the changes of immune and digestive system of Eurasian perch (Perca fluviatilis)

et al. 2017

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“…1 as traits of highest economic importance. Here, the main objective is to reach higher yields by producing strains that grow faster under intensive rearing conditions and show better resistance to pathogens (Rougeot et al 2007;Silverstein et al 2009), as exemplified in the case of Atlantic salmon culture (Gjedrem 2000).…”

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Fast Transcriptional Responses to Domestication in the Brook CharrSalvelinus fontinalis

et al. 2010

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Domestication has been practiced for centuries yet directed toward relatively few terrestrial crops and animals. While phenotypic and quantitative genetic changes associated with domestication have been amply documented, little is known about the molecular changes underlying the phenotypic evolution during the process. Here, we have investigated the brook charr (Salvelinus fontinalis) responses to artificial selection by means of transcriptional analysis of $32,000 cDNA features performed in both selected and control populations reared under identical environmental conditions during four generations. Our results indicate that selective breeding led to significant changes in the transcription of genes at the juvenile stage, where we observed 4.16% (156/3750) of differentially expressed genes between the two lines. No significant genes were revealed at the earlier life stage. Moreover, when comparing our results to those of previous studies on Atlantic salmon that compared lines that were selected for five to seven generations for similar traits (e.g., growth), genes with similar biological functions were found to be under selection in both studies. These observations indicate that (1) four generations of selection caused substantial changes in regulation of gene transcription between selected and control populations and (2) selective breeding for improving the same phenotypic traits (e.g., rapid growth) in brook charr and Atlantic salmon tended to select for the same changes in transcription profiles as the expression of a small and similar set of genes was affected by selection.

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“…Feeding time and frequency have been reported to affect feed intake and growth performance in different sh species including the Australian snapper Pagrus auratus [3], pikeperch Sander lucioperca [4], African cat sh Clariasgariepinus, Burchell 1822 [5], ounder Platichthys esusluscus [6] and rock bream Oplegnathusfasciatus [7]. Water quality, management procedures, stocking density, feeding frequency, and nutritional conditions are all directly associated with sh stress [8,9,10].…”

Section: Introductionmentioning

confidence: 99%

Effects of Stocking Density and FeedingfFrequency on the Growth Performance, Digestive Enzyme Activity, and Tissues Histology of Hybrid Grouper (Epinephelus Fuscoguttatus♀×E. Lanceolatus♂)

Chen¹,

Huang²,

Ma³

et al. 2020

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A 6-week 5×2 factorial study was conducted to examine the effects of stocking density and feeding frequency on growth performance, body composition, digestive enzyme activity, and tissue histology of juvenile hybrid groupers raised in an indoor circulating water system. Triplicate groups of fish were reared in tanks following a factorial design consisting of ten treatments including 5 stocking densities (SD) [1.1 kg m−3(0.55 kg fish per tank, SD1.1), 2.2 kg m-3(1.1 kg fish per tank, SD2.2), 3.3 kg m−3(1.65 kg fish per tank, SD3.3), 4.4 kg m−3(2.2 kg fish per tank, SD4.4) and 5.5 kg m−3(2.75 kg fish per tank, SD 5.5)] and 2 feeding frequencies (FF) [3 meals a day (FF3) and 2 meals a day (FF2)]. The resulting 10 treatments were G1(SD1.1,FF3), G2(SD2.2,FF3), G3(SD3.3,FF3), G4(SD4.4,FF3), G5(SD5.5,FF3), G6(SD1.1,FF2), G7(SD2.2, FF2), G8(SD3.3, FF2), G9(SD4.4, FF2) andG10 (SD5.5, FF2). Feed consumption and temperature were recorded throughout the experiment. After 6 weeks, the results indicated that the weight gain rate (WGR) and specific growth rate (SGR) of fish in the G7 group were significantly higher than those of other groups (P< 0.05), followed by G1, with G3 being the lowest. Weight gain and specific growth rates were generally higher in fish fed twice a day than those fed three times a day. The variations in protein content between groups were consistent with the muscle protein content trends. Feeding frequency and stocking density had significant effects on serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), triglycerides (TGs), and cholesterol (CHO) (P < 0.05). Regarding immune function, grouper albumin (ALB), serum lysozyme (LZY), superoxide dismutase (SOD), and alkaline phosphatase (AKP) were significantly affected by stocking density and feeding frequency (P< 0.05). Pepsin and lipase activities in the stomach, intestine, and liver were also affected. The histological structure of the stomach, liver, and intestine in G1, G2, G7, and G8 fish was relatively normal, whereas those of the remaining groups exhibited varying degrees of damage. Overall, the optimum stocking densities were 1.343 kg/m3 (approximately 10 fish) and 2.004 kg/m3 (approximately 20-30 fish) when the fish were fed 3 and 2 times per day, respectively.

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Growth improvement of Eurasian perch (Perca fluviatilis) using domesticated strains under intensive rearing conditions

Cited by 3 publications

References 0 publications

Domestication drive the changes of immune and digestive system of Eurasian perch (Perca fluviatilis)

Domestication drive the changes of immune and digestive system of Eurasian perch (Perca fluviatilis)

Fast Transcriptional Responses to Domestication in the Brook CharrSalvelinus fontinalis

Effects of Stocking Density and FeedingfFrequency on the Growth Performance, Digestive Enzyme Activity, and Tissues Histology of Hybrid Grouper (Epinephelus Fuscoguttatus♀×E. Lanceolatus♂)

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Growth improvement of Eurasian perch (Perca fluviatilis) using domesticated strains under intensive rearing conditions

Cited by 3 publications

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Domestication drive the changes of immune and digestive system of Eurasian perch (Perca fluviatilis)

Domestication drive the changes of immune and digestive system of Eurasian perch (Perca fluviatilis)

Fast Transcriptional Responses to Domestication in the Brook CharrSalvelinus fontinalis

Effects of&nbsp;Stocking&nbsp;Density and FeedingfFrequency on the Growth Performance,&nbsp;Digestive Enzyme Activity, and Tissues Histology of&nbsp;Hybrid Grouper (Epinephelus Fuscoguttatus♀×E. Lanceolatus♂)

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Effects of Stocking Density and FeedingfFrequency on the Growth Performance, Digestive Enzyme Activity, and Tissues Histology of Hybrid Grouper (Epinephelus Fuscoguttatus♀×E. Lanceolatus♂)