Exigências de metionina + cistina total e digestível para alevinos revertidos de tilápia do Nilo, Oreochromis niloticus (L.), baseadas no conceito de proteína ideal

Content Provider	Semantic Scholar
Author	Furuya, Wilson Massamitu Hayashi, Carmino Furuya, Valeria Rossetto Barriveira Botaro, Danielle Silva, Lilian Carolina Rosa Neves, Patrícia Ribeiro
Copyright Year	2008
Abstract	Nutritional requirements of total and digestible methionine + cystine for reversed fingerlings of the Nile tilapia Oreochromins niloticus (L.) based on the ideal protein concept. The nutritional requirements of total and digestible methionine for reversed fingerlings of the Nile tilapia (Perciformes, Cichlidae) were determined. During a 40-day period fingerlings, weighing 1.31 ± 0.06g each, were fed on diets with 0.89; 0.94; 0.99; 1,09; 1.19 and 1.29% of total methionine + cystine, corresponding to 0.83; 0.88; 0.93; 1.03; 1.13 and 1.23% of digestible methionine + cystine. Since diets were supplemented with increasing levels of DL-methionine, diets reached 50.61; 0.54; 56.7; 62.80; 68.90 e 75% of methionine + cystine/lysine ratio (ideal protein concept), based on digestible amino acids values. Increasing methionine + cystine levels linearly diminished survival rate. Diets with 1.10% and 1.00% levels of total and digestible sulfur amino acid respectively had the best performance results for Nile tilapia fingerlings. This corresponds to 60.11 and 60.98% of total and digestible methionine + cystine/total and digestible lysine respectively.
Starting Page	885
Ending Page	889
Page Count	5
File Format	PDF HTM / HTML
DOI	10.4025/actascianimsci.v23i0.2641
Volume Number	23
Alternate Webpage(s)	http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/download/2641/2161
Alternate Webpage(s)	https://doi.org/10.4025/actascianimsci.v23i0.2641
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article