Exigência de lisina digestível para a tilápia-do-Nilo de 87 a 226 g alimentada com dietas balanceadas para a relação arginina: lisina

Furuya, Wilson Massamitu; Michelato, Mariana; Graciano, Thêmis Sakaguti; Vidal, Luiz Vítor Oliveira; Xavier, Tadeu Orlandi; Furuya, Valéria Rossetto Barriviera; Moura, Lorena Batista de

doi:10.5433/1679-0359.2013v34n4p1945

Cited by 12 publications

(16 citation statements)

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“…Lysine requirements for Nile tilapia show different results than those estimated in this study to optimize weight gain (1.73%). It was higher than those determined by Furuya et al (2004), for fish in the 5.34 to 77.26 g stage, which estimated the lysine level at 1.42%; by Furuya et al (2013) for fish in the 87 to 226 g stage, fed diets balanced for arginine:lysine ratio, which estimated the requirement to be 1.31% digestible lysine; and by Furuya et al (2006) with juveniles (5.72 to 35.05 g), which determined the requirement to be 1.56% digestible lysine. On the other hand, the result of the present study was similar to that determined by Bomfim et al (2010), working with fingerlings (1.12 g), which estimated 1.70% digestible lysine as the minimum level to obtain the optimum weight gain; and was lower than that found for Nile tilapia fingerlings (0.98 g) by Takishita et al (2009), who estimated the requirement to be 2.17% digestible lysine, both using the ideal protein concept in the formulation of experimental feed.…”

Section: Resultscontrasting

confidence: 56%

Lysine requirement for tambaqui juveniles

Silva

Bomfim

Lanna

et al. 2018

SCA

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The aim of this study was to determine the requirement for lysine in the diet of juvenile tambaqui (Colossoma macropomum). In total, 750 juvenile fish (0.34 ± 0.02g) were distributed in tanks arranged in a randomized block design with six treatments, five replications in two blocks, and 25 fish per unit, for 50 d. Six levels of digestible lysine were tested (1.30, 1.48, 1.66, 1.84, 2.02, and 2.20%), in formulated diets based on the ideal protein concept. The performance, feed efficiency, daily deposition of protein and body fat, and nitrogen retention efficiency of the fish were evaluated. The consumption of rations and protein, specific growth rate, body composition, and deposition of body fat were not influenced by the lysine levels tested. The consumption of digestible lysine increased linearly and the efficiency of digestible lysine for weight gain decreased linearly with the increase in lysine levels. The levels of digestible lysine that optimized weight gain and body protein deposition were estimated at 1.73 and 1.78%, respectively. The feed conversion and nitrogen retention efficiency were most improved at 1.66% and 1.84%, respectively. The recommended level of dietary lysine for providing better weight gain and body protein deposition in juvenile tambaqui is 1.78%, equivalent to 2.00% total lysine.

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Section: Resultscontrasting

confidence: 56%

Lysine requirement for tambaqui juveniles

Silva

Bomfim

Lanna

et al. 2018

SCA

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“…Some Authors suggest that the arginina: lisina ratio imbalace may affect animal performace (Furuya et al, 2012;Dairiki et al, 2013). The same can be observed in the study of Furuya et al (2013) who utilized 1.43:1 arginina: lisina ratio in the diet for tilápia (O. niloticus) and found that ratio to have influenced the lysine requirement when compared to earlier studies undertaken with the same species, suggesting that ratio to be able to affect the animal's nutritional need. In the present study, the highest and lowest arginine: lysine ratios showed to be 1.45:1 and 0.65:1 respectively, yet, the best zootechnical parameter values for tambaqui were observed with the 0.87:1 ratio, near to values (0.98:1 and 0.91:1) observed by Furuya et al (2006) for the best weight gain with tilápia.…”

Section: Discussionmentioning

confidence: 67%

“…(2006) (2013) obtained the 5% lysine in the protein requirement for dory (S. brasilienses). Dairiki et al (2007) estimated the lysine requirement for the carnivorous "blackbass" (Micropterussalmoides) at 1,69% dietary lysine or 3.9% of the protein and Furuya et al (2013) determined the digestible lysine requirement for the Nile tilapia at 1.31% dietary lysine, maintaining the arginine: lysine ratio constant. Table 8.…”

Section: Discussionmentioning

confidence: 99%

Lysine demand and essential aminoacids estimate for tambaqui, Colossoma macropomum (Cuvier, 1818)

Costa

Medeiros

Brasil

et al. 2020

BJD

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Exigência de lisina e estimativa dos aminoácidos essenciais para tambaqui, Colossoma macropomum (CUVIER, 1818)ABSTRACT Four hundred-fifty (450) 7.7±0.06 g juvenile tambaqui were distributed in 500L boxes, fed a casein, gelatin and free amino acids-based semipurified diet containing six lysine levels (L-lysine HCL 0.9; 1.2; 1.5; 1.8; 2,1; 2.4% of the diet), in a completely randomized design, so that their lysine requirements could be determined. Findings demonstrated that diets with rising lysine levels did not influence the assessed zootechnical parameters.Tambaqui presented reduced consumption, low weight gains and high feed conversion with the use of the semipurified diet. This diet affected the hematological parameters significantly with no changes on total proteins and plasmatic glucose. The reduction on the plasmatic cortisol with the increase of lysine in the diet suggests the lower lysine levels to have had an influence on plasmatic cortisol level values. The reduced levels of triglycerides, cholesterol and body lipids with increasing lysine levels suggest a relationship of this amino acid with the accumulation of body lipids. Essencial amino acids demand estimated from tambaqui body amino acids content, showed to be similar to that found for other species and the lysine was estimated at dietary protein 6.0 and 6.2%, through the two utilized methods. The zootechnical performance exhibited by tambaqui, using semipurified diet for the lysine 0.9 to 2.4% interval in the diet did not allow its demand to be determined through dose-response method. RESUMOCom objetivo de determinar a exigência de lisina para o tambaqui, 450 juvenis (7,7±0,06 g) foram distribuídos em caixas de 500 litros, alimentados com dieta semipurificada à base de caseína, gelatina e aminoácidos livres, contendo seis níveis de lisina (L-lisina HCL 0,9; 1,2; 1,5; 1,8; 2,1; 2,4% da dieta), em delineamento inteiramente ao acaso. Os resultados demonstraram que as dietas com níveis crescentes de lisina não influenciaram os parâmetros zootécnicos avaliados. O tambaqui apresentou consumo reduzido, baixo ganho de peso e alta conversão alimentar com o uso de dieta semipurificada. Essa dieta afetou significativamente os parâmetros hematológicos e sem alterações nas proteínas totais e glicose plasmática. A diminuição no cortisol plasmático com o aumento de lisina na dieta sugere que níveis mais baixos de lisina influenciaram nos valores de cortisol plasmático. Os níveis reduzidos de triglicerídeos, colesterol e lipídios corporais com o aumento dos níveis de lisina sugerem uma relação deste aminoácido com o acúmulo de lipídios corporais. As exigências dos aminoácidos essenciais, estimados a partir do conteúdo de aminoácidos corporais do tambaqui, foram similares ao encontrados para outras espécies e a lisina foi estimada em 6,0 e 6,2% da proteína dietética pelos dois métodos utilizados. O desempenho zootécnico, apresentado pelo tambaqui, com uso de dieta semipurificada para o intervalo de 0,9 a 2,4% de lisina na dieta, não permitiu determinar a exigência ...

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“…This condition was verified in the present study and showed differences among the levels of L-lysine supplementation in the diet. Other studies reported less accumulation of fat in fish fed diets with different levels of L-lysine in Oncorhynchus mykiss (Encarnação et al, 2004); Cyprinus carpio (Zhou et al, 2008); P. mesopotamicus (Abimorad et al, 2010); Oreochromis niloticus (Furuya et al, 2013). The reduction in visceral fat may have occurred due to the fact that L-lysine acts as a precursor of carnitine, which is involved in the transport of long-chain fatty acids to the mitochondria (Zhou et al, 2010).…”

Section: Discussionmentioning

confidence: 96%

The effects of L lysine in the diet of silver catfish (Rhamdia voulezi) female broodstocks

Bittencourt¹,

Damasceno²,

Diemer³

et al. 2018

lajar

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ABSTRACT. The objective of this study was to assess the L-lysine effect in silver catfish, Rhamdia voulezi female reproduction. Four hundred fish were used distributed in a random in 16 net cages (25 fish each × 4 replicates = 100 fish per treatment). The treatments consisted in four diets, isoproteic and isoenergetic (30% crude protein and 3,500 kcal kg -1 digestible energy) with different L-lysine levels: T1: 1.30; T2: 1.40; T3: 1.60 and T4: 1.95%. After 185 days of experiment 18 females per treatment were weighed, measured, and submitted to hormonal induction (0.5 and 5.0 mg kg -1 Carp Pituitary Extract). The females were then sacrificed and had their ovaries, liver and fat removed and the respective organosomatic indices were estimated. With regard to the reproductive parameters, the released oocytes, absolute fecundity and remaining ovaries were influenced (P < 0.05) by the diet, and the highest mean values were observed in the treatment with 1.95% L-lysine. Among the organosomatic indices, only the visceral fat was influenced (P < 0.05). The estradiol levels and the composition of essential amino acid in oocytes were not affected (P > 0.05). We can conclude that L-lysine affects the reproductive parameters and accumulation of visceral fat in R. voulezi.

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Exigência de lisina digestível para a tilápia-do-Nilo de 87 a 226 g alimentada com dietas balanceadas para a relação arginina: lisina

Cited by 12 publications

References 11 publications

Lysine requirement for tambaqui juveniles

Lysine requirement for tambaqui juveniles

Lysine demand and essential aminoacids estimate for tambaqui, Colossoma macropomum (Cuvier, 1818)

The effects of L lysine in the diet of silver catfish (Rhamdia voulezi) female broodstocks

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