%0 Journal Article
%T Digestibilidad aparente de materia seca, prote¨ªna y energ¨ªa de harina de v¨ªsceras de pollo, quinua y harina de pescado en tilapia nil¨®tica, Oreochromis niloticus
%A Guti¨¦rrez-Espinosa
%A Mariana C.
%A Yossa-Perdomo
%A Martha I.
%A V¨¢squez-Torres
%A Walter
%J ORINOQUIA
%D 2011
%I Universidad de los LLanos
%X the purpose of this study was to determine protein (adcp) and energy (adce) apparent digestibility coefficients (adc) for fish meal (fm), poultry by-product meal (pbm) and quinoa flour (chenopodium quinoa) (qf) used in feeding nile tilapia (oreochromis niloticus). the indirect method with a chromium oxide marker was used to estimate the aforementioned adc; faeces were collected by the modified guelph system. tilapias having an average 130 g weight were fed on an experimental diet consisting of reference diet (rd) (89.5 %, 79.5 % or 69.5 %), 0.5 % inert marker (chromium dioxide) and the ingredient to be evaluated to assess 10 %, 20 % or 30 % inclusion level. the fish were fed every hour for 12 hours per day and their faeces were collected 10 hours after the fish had been fed; the samples were dried at 60oc and stored at -17¡ãc until analysed. chromium oxide level was determined by the acid digestion method. the adcp for the three inclusion levels (10 % 20 % and 30 %) were respectively: 88.1 %, 89.4 % and 90.9 % for fm, 96.8 %, 94.9 % and 94.1 % for pbm and 67.7 %, 73.5 % and 77.5 % for qf. there were no significant differences (p<0.05) concerning adcp inclusion levels regarding the three materials being investigated. as for adce, the results ranged from 53.0 % to 88.5 % for fm, 52.6 % to 59.7 % for pbm and 29.0 % to 66.1 % for qf. including 30 % fm had the highest adce (p> 0.05); there were no significant differences between pbm inclusion levels and qf was significantly lower (10 % inclusion level).
%K apparent digestibility coefficient
%K nutrition
%K alternative matter
%K proximate analysis.
%U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0121-37092011000200005&lng=en&nrm=iso&tlng=en