growth of nile tilapia oreochromis niloticus fed diets with different levels of proteins of yeast

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ID: 206175
2009
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Abstract
This experiment was based on observations of 72 juveniles of Nile tilapia (Oreochromis niloticus), sexually reverted with an initial mean weight of 37.27 ± 4.92g, distributed in 12 cages of 100 l to evaluate the effects of the yeast inclusion as proteins source in the diet. The fishes were distributed in a completely randomized design with four treatments (0; 20; 40; and 60%) of yeast protein in substitution to the protein of traditional sources with three repetitions. Effects of the treatments were not observed (p > 0.05) on the survival and to food conversion. It was observed a quadratic effect on weight gain (Y = 73.39 + 0.173X - 0.0034X²; R²= 0.9986). It was concluded the best level of yeast inclusion as source proteins in the diet for reversed Nile tilapia juvenile was 25.44%.
Foram utilizados 72 juvenis de tilápia do Nilo (Oreochromis niloticus) sexualmente revertidos com peso médio inicial de 37.27 ± 4.92g. distribuídos em 12 gaiolas de 100L para avaliar os efeitos da inclusão de levedura como fonte protéica na dieta. Os peixes foram distribuídos em um delineamento inteiramente casualizados com quatro tratamentos (0; 20; 40; e 60%) de proteína de levedura em substituição à proteína de fontes tradicionais com três repetições. Não foram observados efeitos dos tratamentos (p > 0.05) sobre a sobrevivência e conversão alimentar. Foi observado efeito quadrático sobre o ganho de peso (Y = 73.39 + 0.173X - 0.0034X²; R² = 0.9986). Concluiu-se que o melhor nível de inclusão de levedura como fonte protéica na dieta para juvenis revertidos de tilápias do Nilo é de 25.44%.
Reference Key
medri2009braziliangrowth Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Vandir Medri;Waldir Medri;Mauro Caetano Filho
Journal current drug delivery
Year 2009
DOI
10.1590/S1516-89132009000300024
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000300024
Keywords
yeast cages

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