2008
DOI: 10.1111/j.1749-7345.2008.00214.x
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Nutrient Digestibility of Cereal Grain Products and By‐products in Extruded Diets for Nile Tilapia

Abstract: Apparent digestibility coefficients (ADCs) provide estimates of nutrient availability in feedstuffs and can be used as a tool for selecting ingredients to compound cost‐effective diets for fish. Extrusion process is one factor that could influence ADC values. Thus, a digestibility trial was undertaken to evaluate ADC of protein, energy, and dry matter, and apparent amino acid availability (AAAA) in five cereal grain products/by‐products (corn, wheat middlings, broken rice, rice bran, and sorghum) in compounded… Show more

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Cited by 71 publications
(59 citation statements)
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“…However, a great variation of amino acids contents can be observed when individual amino acids value is considered (Figure 1). Poultry viscera meal has been shown to be a good alternative for fish meal in digestibility studies using Nile tilapia (Guimarães et al, 2008a). Digestibility of meat and bone meal may vary significantly and the freshness of the raw material and processing conditions used may seriously affect the protein digestibility when used as feed ingredient for fish diets.…”
Section: Amino Acid Source and Digestibilitymentioning
confidence: 99%
“…However, a great variation of amino acids contents can be observed when individual amino acids value is considered (Figure 1). Poultry viscera meal has been shown to be a good alternative for fish meal in digestibility studies using Nile tilapia (Guimarães et al, 2008a). Digestibility of meat and bone meal may vary significantly and the freshness of the raw material and processing conditions used may seriously affect the protein digestibility when used as feed ingredient for fish diets.…”
Section: Amino Acid Source and Digestibilitymentioning
confidence: 99%
“…Thus, four digestible protein levels (28.0, 35.0, 42.0, and 49.0% DP) at two digestible energy levels (3,200 and 3,600 kcal/kg) were tested comprising eight diets. Digestible protein and energy content of feedstuffs were calculated based on apparent digestibility coefficients reported for tilapia (PEZZATO et al, 2002;GUIMARÃES et al, 2008GUIMARÃES et al, , 2012.…”
Section: Experimental Diet and Diet Preparationmentioning
confidence: 99%
“…En esta investigación los CDA de la proteína de los ingredientes evaluados en los tratamientos sin adición de fitasa arrojaron valores similares a los reportados en la literatura para tilapias (Furuya et al, 2001;Sklan et al, 2004;Köprücü y Özdemir, 2005;Guimaraes et al, 2008;Vásquez-Torres et al, 2010). Los resultados de digestibilidad de fósforo y proteína observados sugieren que un promedio de 50% del fósforo y 10% de nitrógeno contenido en las materias primas evaluadas no pudieron ser absorbidos en el intestino de la tilapia, es decir, que fueron eliminados con las heces; normalmente los productos de desecho y de excreción causan un impacto negativo en el agua que consiste en propiciar y favorecer procesos de eutrofización, agotamiento de oxígeno en las noches y estrés en los animales cultivados.…”
Section: Materiaunclassified