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Regulation of feed intake, growth, nutrient and energy utilisation in European sea bass (Dicentrarchus labrax) fed high fat diets ArchiMer
Boujard, Thierry; Gelineau, Anne; Coves, Denis; Corraze, Genevieve; Dutto, Gilbert; Gasset, Eric; Kaushik, Sadasivam.
Three practical isoproteic (54% protein) diets were formulated to contain graded levels of crude fat (diet L: 10%, diet M: 20% and diet H: 30%). Each diet was assigned unrestrictedly to three and restrictedly to two replicate groups of fish (IBW 243 g). In unrestricted groups, increasing the dietary lipid level led to a significant decrease in voluntary feed intake without affecting growth rate. In the feed-restricted groups, daily growth rates increased with increasing dietary fat levels. There was a significant and inverse effect of the dietary fat content on whole body moisture and fat levels, with highest lipid (ca. 20%) and lowest moisture (ca. 58%) contents in sea bass fed diet containing the highest lipid level; muscle lipid concentration was...
Tipo: Text Palavras-chave: Phosphorus excretion; Feed intake; Lipid; Digestible energy; European sea bass; Dicentrarchus labrax.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/publication-392.pdf
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Bioavailability and poultry fecal excretion of phosphorus from soybean-based diets supplemented with phytase R. Bras. Zootec.
Martins,Bianca Almeida Brandão; Borgatti,Laura Maria de Oliveira; Souza,Luiz Waldemar de Oliveira; Robassini,Simi Luiza Durante Aflalo; Albuquerque,Ricardo de.
Five hundred and four 1-day-old Cobb broiler chickens were randomly allotted to 18 treatments and fed a semi-purified basal diet (4 g/kg total phosphorus) supplemented with 2 levels of supplemental P (0.5 or 1 g/kg) during 21 days to evaluate performance and bone mineralization; to assess the relative bioavailability of P (RBP) in wheat meal (WM) and roasted (RS) or extruded soybean meal (ES), with or without phytase (0 or 750 ftu/kg diet), using dicalcium phosphate (DC) as standard; and to estimate phosphorus excretion. Weight gain (WG), feed intake (FI), feed to gain ratio (FG), and tibia ash weigh (AW) were assessed. For each source, the RBP was calculated by the slope ratio method, when tibia ash weight was regressed on P ingested. Ingested and fecal P...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Available phosphorus; Bone ash; Broiler; Phosphorus excretion; Phytate; Wheat meal.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000300005
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