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| Bomfim,Marcos Antonio Delmondes; Marchão,Rafael Silva; Ribeiro,Felipe Barbosa; Siqueira,Jefferson Costa de; Silva,Louis Ramos; Takishita,Sylvia Sanae. |
| ABSTRACT The objective of this study was to determine the digestible tryptophan requirement of tambaqui (Colossoma macropomum) fingerlings and its relationship with digestible lysine. A total of 300 tambaqui fingerlings with three initial weights (2.12 ± 1.19, 8.13 ± 0.75, and 15.18 ± 1.91 g) were distributed in a randomized complete block design, consisting of six treatments (0.225, 0.256, 0.288, 0.319, 0.350, and 0.381% of digestible tryptophan) and five replicates of 10 fish per plot. The tryptophan to lysine ratio was estimated using a 1.78% level of digestible lysine. Variables regarding performance, food efficiency, and body deposition of protein, fat, and ashes, and nitrogen retention efficiency were evaluated. Feed intake and nitrogen retention... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Essential amino acids; Corporal composition; Zootechnical performance; Amazon fish. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902020000200405 |
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| Ping-mei,Yan; Yu-kui,Rui; Xiao-yan,Yan; Zheng,Chai; Qing,Wang; Jian-zhong,Du; Yi,Sun. |
| In order to compare the nutrition components of transgenic maize seeds (chitinase gene), achieved by the pollen-mediated approach, with its non-transgenic counterpart, Vitamin B1, vitamin B2, fatty acids and essential amino acids of transgenic maize seeds and their counterparts were analyzed by the Chinese national standard methods or AOAC methods. The results showed that the contents of all the six kinds of fatty acids detected in transgenic maize seeds were significantly higher than those in their non-transgenic counterpart, the content of vitamin B2 in transgenic maize was significantly lower than that in non-transgenic maize seeds, the content of total amino acids in transgenic maize seed was higher than that in non-transgenic maize seeds, while... |
| Tipo: Journal article |
Palavras-chave: Transgenic maize; Nutrition; Fatty acids; Essential amino acids; Vitamin; Chitinase gene. |
| Ano: 2011 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202011000100014 |
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