Taurine requirement for juvenile white seabass (Atractoscion nobilis) fed soy-based diets

Jirsa, Dave; Davis, D. Allen; Salze, Guillaume; Rhodes, Melanie; Drawbridge, Mark

doi:10.1016/j.aquaculture.2013.11.029

Cited by 44 publications

(29 citation statements)

References 33 publications

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“…The results of this study suggest that commercial soybean meal could constitute up to 40% of dietary protein in diets supplemented with taurine (13.4 g kg -1 diet) in L. colorado juveniles. These results are in agreement with other reports of feeds containing between 25% and 45% SBM and supplemented with taurine that are tolerated by different fish species such as sea bass fry (Brotons-Martinez, Chatzifotis, Divanach, & Takeuchi, 2004), Japanese flounder (Kim et al, 2008), rainbow trout Oncorhynchus mykiss juvenile cobia (Kim et al, 2008), common dentex Dentex dentex (Chatzifotis, Polemitou, Divanach, & Antonopoulou, 2008), and white bass Atractoscion nobilis (Jirsa, Davis, Salze, Rhodes, & Drawbridge, 2014).…”

Section: Discussionsupporting

confidence: 93%

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Hernández¹,

Sánchez-Gutiérrez²,

Ibarra‐Castro³

et al. 2018

Turk. J. Fish. Aquat. Sci.

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This study evaluated the effect of soybean meal (SBM) diets supplemented with taurine (T) on growth performance and body composition of red snapper (Lutjanus colorado). Six isonitrogenous (50%) and isoenergetic (20 MJ/kg) diets were formulated with 20%, 40% and 60% proportions of SBM substitution of total fish meal. Three diets of fish meal protein were replaced by soybean protein which were supplemented with 0.6, 1.2 and 1.8% of taurine (SBM20+T, SBM40+T and SBM60+T), respectively, or without taurine supplementation (SBM20, SBM40 and SBM60). Each diet was fed to triplicate groups of 20 juvenile snapper (average initial weight 3.1± 0.41g) to apparent satiation three times a day for an 8-week period.The fish fed the SBM40+T diet with a total taurine concentration of 16.3 g kg -1 diet had a significantly greater final weight, specific growth rate, and a lower feed conversion ratio than fish fed the other diets. There were significant differences in feed intake and whole-body composition between fish fed different dietary treatments. Survival was not affected by the experimental diets. Considering growth, feed intake and body composition of red snapper, soybean meal could partially replace fish meal by up to 40% and supplemented with taurine in practical feeds.

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Section: Discussionsupporting

confidence: 93%

Untitled

Hernández¹,

Sánchez-Gutiérrez²,

Ibarra‐Castro³

et al. 2018

Turk. J. Fish. Aquat. Sci.

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“…A complete dose-response study later revealed that taurine requirement in pompano was 0.54-0.65% (Salze et al, 2014a). Recent research on white seabass (Atractoscion nobilis) has determined the dietary requirement for taurine at 0.99% using combined datasets from two trials (Jirsa et al, 2014). In similar studies with California yellowtail (Seriola lalandi), practical diets low in fishmeal were utilized to determine limiting amino acids: lysine, methionine and taurine supplements were all evaluated, and a significant response was observed with the removal of the 0.20% taurine supplement.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Taurine: a critical nutrient for future fish feeds

2015

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Taurine is a sulfonic acid found in high concentrations in animal tissues. In recent years, a number of studies have demonstrated the essentiality of dietary taurine for many commercially relevant species, especially marine teleosts. Consequently, the removal of taurine-rich dietary ingredients such as fishmeal may create a deficiency, of which symptoms include reduced growth and survival, increased susceptibility to diseases, and impaired larval development. These symptoms emphasize the systemic role of taurine in the animal's physiology and provide few clues as to the underlying mechanisms of taurine function. In fact, a myriad of roles have been attributed to taurine in mammals, ranging from bile salt conjugation to membrane stabilization, osmoregulation, anti-oxidation, immunomodulation, calcium-signaling, and neuroprotection. This review describes the current knowledge of taurine physiology and metabolism in fish and requirement levels in relevant species, and highlights possible parallels with mammalian taurine metabolism. In addition, the effects of ingredient processing and feed manufacturing on taurine bioavailability are discussed. Finally, regulatory aspects are brought to the forefront: although the supplementation of taurine will be necessary to further reduce the use of ingredients such as fishmeal, taurine is not currently approved by the FDA in the USA for fish feeds.Obtaining approval in the United States to utilize taurine in fish feeds can improve the environmental and economic sustainability of fish feeds nation-wide.

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“…Six experimental diets were obtained by supplementing the basal diet (7.4 g leucine kg − 1 diet) with 0 (unsupplemented control), 2, 4, 6, 8 and 10 g leucine kg −1 diet, while adjusting glycine to maintain the diets isonitrogenous, according to method described by Cheng et al (2011). All ingredients were mixed and pelleted as previously described by Zhao et al (2012), and pellets were stored at −20°C until used according to Jirsa et al (2014). Final leucine contents in the six experimental diets were determined using high-performance liquid chromatography (Agilent Technologies, Palo Alto, CA, USA) to be 7.…”

Section: Experimental Diet and Diet Preparationmentioning

confidence: 99%