Total sulfur amino acid requirement and cysteine replacement value for juvenile hybrid striped bass (Morone saxatilis × M. chrysops)

Griffin, Mark E.; White, Marshall; Brown, Paul B.

doi:10.1016/0300-9629(94)90114-7

Cited by 65 publications

(49 citation statements)

References 9 publications

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“…All diets were formulated using Mixit 3 software (Agriculture Software, Kingsville, Texas) to ensure that all dietary requirements were met. The 0% FM feed was supplemented with methionine chloride to ensure that the dietary levels exceeded the estimated methionine requirement of sunshine bass (Griffin et al 1994); methionine supplementation was not necessary for the other formulations. Ingredients were mixed using a commercial-grade mixer (HCM-450; Hobart Corporation, Troy, Ohio) and pelleted with a food grinder (1.5-hp electric grinder; Cabela's, Sidney, Nebraska) using a 7-mm die.…”

Section: Methodsmentioning

confidence: 99%

Replacement of Fish Meal with Ethanol Yeast in the Diets of Sunshine Bass

Gause

Trushenski

2011

N American J Aquac

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Increasing demand and rising costs of fish meal (FM) coupled with static landings of reduction fisheries have made continued use of FM‐rich aquaculture feeds environmentally and economically unsustainable. Animal‐ and plant‐derived proteins have been investigated as alternatives to FM, with variable success. Observed limitations of commonly used alternative proteins have led nutritionists to investigate new alternatives to FM. Ethanol yeast, a co‐product of bioethanol production and potential new alternative protein source, was evaluated as a FM replacement in the diets of sunshine bass (female white bass Morone chrysops × male striped bass M. saxatilis). Five diets were evaluated, including a control diet containing 30% FM and four experimental diets (22.5, 15, 7.5, and 0% FM) in which 25, 50, 75, or 100% of the FM content was replaced with ethanol yeast. Juvenile sunshine bass (∼16 g) were fed twice daily to apparent satiation for 45 d. Production performance of sunshine bass was not impaired by partial FM replacement and in some cases was marginally improved by dietary inclusion of ethanol yeast. Feed conversion ratio, specific growth rate, and feed intake were equivalent among fish fed the control, 22.5% FM, 15% FM, and 7.5% FM feeds; weight gain was significantly increased in the 15% FM group compared with the control. However, complete replacement (0% FM) resulted in significantly impaired growth performance and conversion efficiency. Whole‐body composition did not differ with respect to moisture, ash, or protein content; however, crude lipid content was significantly elevated in the 7.5% FM treatment, suggesting a protein–energy imbalance in this formulation. Although our study was a short‐term screening trial, based on our results we suggest that an optimal level of FM in ethanol‐yeast‐based feeds for sunshine bass would be between 7.5% and 15%.Received March 15, 2010; accepted June 5, 2010

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Section: Methodsmentioning

confidence: 99%

Replacement of Fish Meal with Ethanol Yeast in the Diets of Sunshine Bass

Gause

Trushenski

2011

N American J Aquac

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“…Based on SGR and PPV versus dietary methionine level, the optimal dietary methionine requirement of juvenile blunt snout bream was determined to be 8.5 and 8.4 g kg À1 in diet (25.0 and 24.7 g kg À1 of dietary protein), respectively. Earlier studies indicated that cystine could spare of portion dietary methionine level about 42% in rainbow trout, Oncorhyncus mykiss (Kim et al 1992), 40% in hybrid striped bass, Morone saxatilis 9 M. chrysops (Griffin et al 1994), 51% in juvenile Yellow Perch, Perca flavescens (Twibell et al 2000) and 50% in red drum, Sciaenops ocellatus (Goff & Gatlin 2004). Hence, if cystine is provided in a diet, it could appropriately cause lower amount of methionine requirement for maximum growth.…”

Section: Aquaculture Nutritionmentioning

confidence: 95%

“…In this case, cystine can only be synthesized from methionine so if cystine is present in the diet, methionine may be spared from cystine synthesis (Kim et al 1992;Griffin et al 1994;Goff & Gatlin 2004). Therefore, it is important to consider the dietary cystine content to quantify the methionine requirement of the cultured species for maximum growth and efficient feed utilization.…”

Section: Aquaculture Nutritionmentioning

confidence: 98%

Dietary methionine requirement of juvenile blunt snout bream (Megalobrama amblycephala) at a constant dietary cystine level

et al. 2014

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A 9-week feeding trial was conducted to investigate the dietary methionine requirement of juvenile Megalobrama amblycephala at a constant dietary cystine level. Six semipurified diets were formulated to contain graded dietary methionine levels from 3.9 to 15.4 g kg À1 in about 2.5 g kg À1 increments in the presence of 2.2 g kg À1 cystine. Results showed that specific growth rate (SGR) and protein efficiency ratio (PER) significantly increased with increasing dietary methionine levels from 3.9 to 12.4 g kg À1 and thereafter kept stable. Maximum protein productive value (PPV), nitrogen retention efficiency (NRE) and liver weight were observed in 8.5 g methionine kg À1 diet. Protein contents in whole fish body were positively correlated with dietary methionine level, while lipid contents were negatively correlated with it. Morphological index and hepatic glutamate-pyruvate transaminase (GPT) activities were independent of dietary methionine levels. However, dietary methionine supplementation significantly improved haematological parameters, plasma methionine and total essential amino acid contents and hepatic glutamate-oxaloacetate transaminase (GOT) activities. Analysis of dose response using broken-line regression on the basis of SGR and PPV versus dietary methionine level estimated the optimum dietary methionine requirements of juvenile M. amblycephala to be between 8.5 and 8.4 g kg À1 of diet (25.0 and 24.7 g kg À1 of protein) in the presence of 2.2 g kg À1 cystine, respectively. Hence, the corresponding total sulphur amino acids requirements of this species were calculated to be 10.7 and 10.6 g kg À1 of diet (31.5 and 31.2 g kg À1 of dietary protein).

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“…One of the more important nutritional studies with new aquacultural species is establishment of the L-methionine requirement and the ability of cyst(e)ine to spare part of the dietary requirement for methionine (33)(34)(35)(36)(37). The sulfur amino acids are often first limiting, along with lysine, in diets fed to many species of fish.…”

Section: Lecithin In Aquaculturementioning

confidence: 99%

Use of soy protein concentrates and lecithin products in diets fed to coho and atlantic salmon

Brown

Wilson

Hodgin

et al. 1997

J Americ Oil Chem Soc

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Aquacultural production is increasing in most parts of the world, establishing new and rapidly growing markets for various oil products. One of the more interesting nutritional requirements for aquatic animals is lecithin or phosphatidylcholine. In this paper, lecithin in aquaculture is reviewed with emphasis on freshwater fish and crayfish. Further, new data on use of lecithin and two soy protein concentrates in diets fed to coho and Atlantic salmon are presented. Juvenile coho and Atlantic salmon were fed either solvent‐extracted soybean meal (SBM) or Promocalf® at 30% of the diet, Promoveal® at 10, 20 or 30% of the diet, or one of three new lecithin products at a constant level of 3% of the diet. Juvenile coho salmon fed SBM, Promocalf®, or Promoveal® at 30% of the diet exhibited depressed weight gain and an elevated feed conversion ratio (FCR) compared to fish fed a positive control diet. Fish fed 10 or 20% Promoveal® had similar weight gain and FCR compared to fish fed the control diet. Coho salmon fed either of the three lecithin products (Aqualipid®, Blendmax®, or Centrol®) had similar weight gains and FCR values compared to fish fed the control diet. Whole‐body proximate components were not as responsive to dietary treatments as weight gain and FCR data. Juvenile Atlantic salmon exhibited depressed weight gain only when fed 30% Promocalf® and all three lecithin products. Further, whole‐body crude protein concentrations in fish fed the three lecithin products were depressed.

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Total sulfur amino acid requirement and cysteine replacement value for juvenile hybrid striped bass (Morone saxatilis × M. chrysops)

Cited by 65 publications

References 9 publications

Replacement of Fish Meal with Ethanol Yeast in the Diets of Sunshine Bass

Replacement of Fish Meal with Ethanol Yeast in the Diets of Sunshine Bass

Dietary methionine requirement of juvenile blunt snout bream (Megalobrama amblycephala) at a constant dietary cystine level

Use of soy protein concentrates and lecithin products in diets fed to coho and atlantic salmon

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