The influence of dietary protein sources on tissue free amino acid levels of fingerling rainbow trout

Yamamoto, Takeshi; Unuma, Tatsuya; Akiyama, Toshio

doi:10.1046/j.1444-2906.2000.00049.x

Cited by 16 publications

(9 citation statements)

References 24 publications

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“…It has been reported that taurine is rich in FM and poor in plant protein sources including soybean [27], and taurine supplementation markedly improved growth performance of yellowtail fed with soy protein concentrate-based diets [11,28]. In the present study, however, tissue taurine contents did not differ among fish fed with SBM, SPI, DSPI, and DPSPI, and were lower than those of fish fed with FM (Fig.…”

Section: Discussioncontrasting

confidence: 81%

Effects of different soybean proteins on lipid digestion and growth of yellowtail Seriola quinqueradiata

et al. 2011

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Two experiments were conducted to determine whether the undigested high molecular fraction (HMF) of soybean protein reduces growth of yellowtail through impairment of lipid digestion and absorption. Soybean meal (SBM), soy protein isolate (SPI), digested SPI (DSPI), and digested and purified SPI (DPSPI) were used as experimental diets. In experiment 1 (exp. 1), yellowtail were fed 4 diets with aforementioned soybean products for 3 weeks. In experiment 2 (exp. 2), the fish were fed soybean protein or fish meal (FM) diets for 8 weeks. Growth performance of DPSPI-fed fish was better than that of fish fed other soybean proteins, and comparable to that of fish fed with FM. Plasma and tissue lipid levels of DPSPI-fed fish tended to be higher than those of fish fed other soybean proteins. Significantly lower intestinal lipid levels and higher bile acid levels were found in DPSPI-fed fish than in fish fed with SBM, SPI, and DSPI. These findings indicate that one of the factors contributing to growth depression in yellowtail fed with SBMbased diets is the negative effect of undigested HMF of soybean protein on bile acid levels and lipid digestion.

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Section: Discussioncontrasting

confidence: 81%

Effects of different soybean proteins on lipid digestion and growth of yellowtail Seriola quinqueradiata

et al. 2011

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“…15 This indicated that taurine is the sole amino acid that is conjugated with bile acid to produce the taurocholic acid or taurochenodeoxycholic acid in the liver of fish. 16 Yamamoto et al 17 reported that tissue taurine levels of the high fat diet group were generally lower than the low fat diet group in rainbow trout. Bile acids are conjugated with taurine that serve to solubilize SK Kim et al or emulsify fats to make them more accessible for digestion.…”

Section: Resultsmentioning

confidence: 99%

Effect of taurine supplemented practical diet on growth performance and taurine contents in whole body and tissues of juvenile Japanese flounder Paralichthys olivaceus

Kim

Takeuchi

Akimoto³

et al. 2005

Fisheries Sci

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The effect of dietary taurine on juvenile Japanese flounder was determined by feeding three taurine-supplemented experimental diets (TAU) and a commercial diet (CD) to evaluate a practical diet for juvenile Japanese flounder. Juvenile Japanese flounder were reared on the three experimental diets supplemented with taurine at 0, 0.5, 1.0% and CD. These diets were fed to juvenile Japanese flounder of an initial mean body weight of 0.2 g for 6 weeks at 20∞C and the taurine contents of the whole body and tissues were analyzed. The final average body weight of juvenile Japanese flounder fed the 1.0% TAU was significantly higher than that of the other groups. Taurine contents in the whole body and tissues increased with the increase in dietary taurine level. These results indicate that juvenile Japanese flounder require at least 15 mg/g taurine in the diet, even though a combined mix of fish, krill and squid meal was the main protein source in the experimental diets.

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“…In fish, levels of FAA in tissues are known to be affected by dietary protein quality (Dabrowska ; Cowey, Walton & Halver ; Yamamoto, Unuma & Akiyama ). In the present study, the total free amino acids levels of hepatopancreas were significantly increased with dietary taurine level.…”

Section: Discussionmentioning

confidence: 99%

The effect of dietary taurine supplementation on growth performance, feed utilization and taurine contents in tissues of juvenile white shrimp (Litopenaeus vannamei,Boone, 1931) fed with low-fishmeal diets

Yue

Liu

et al. 2012

Aquac Res

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An 8‐week feeding trial was conducted to investigate the effects of different taurine levels on the growth performance of juvenile white shrimp fed with low‐fishmeal diets. Six level diets of dietary taurine were prepared by the supplementation of taurine (0, 0.4 g kg−1, 0.8 g kg−1, 1.2 g kg−1, 2.0 g kg−1 and 4.0 g kg−1) to a control diet (100 g kg−1 fish meal). Each diet was randomly assigned to triplicate groups of 30 shrimps (0.48 ± 0.0 g), each three times daily. Shrimp fed the 0.4 g kg−1 and 0.8 g kg−1 taurine‐supplemented diets, showed significantly higher weight gain, protein efficiency ratio and protein retention efficiency than those of shrimp fed the other diets. The quadratic regression analysis (y = −55.59x2 + 187.1x + 750.2 R² = 0.587) indicated that a maximum weight gain occurring at 1.68 g kg−1 of taurine level. The whole body and hepatopancreas taurine contents of the taurine‐supplemented diets were on the same level and higher than those of the control group. Total free amino acid content in the hepatopancreas was significantly affected by taurine supplementation. The results of the present study demonstrate that the white shrimps require taurine as an essential nutrient for growth performance.

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The influence of dietary protein sources on tissue free amino acid levels of fingerling rainbow trout

Cited by 16 publications

References 24 publications

Effects of different soybean proteins on lipid digestion and growth of yellowtail Seriola quinqueradiata

Effects of different soybean proteins on lipid digestion and growth of yellowtail Seriola quinqueradiata

Effect of taurine supplemented practical diet on growth performance and taurine contents in whole body and tissues of juvenile Japanese flounder Paralichthys olivaceus

The effect of dietary taurine supplementation on growth performance, feed utilization and taurine contents in tissues of juvenile white shrimp (Litopenaeus vannamei,Boone, 1931) fed with low-fishmeal diets

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