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\hypersetup{pdftitle={The Effects of Substitution of Decorticated Sunflower Cake for Sesame Cake in Broiler Diets},pdfauthor={Mohamed Ahmed, Nivien Elfaki},pdfsubject={Tropentag 2016: Abstract},pdfkeywords={Broiler, carcass, Decorticated sunflower cake, performance},pdfpagemode=None,colorlinks=true}
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\parbox[b]{13.4cm}{\centering \large{\textbf{Tropentag, September 18-21, 2016, Vienna, Austria}}\\[1ex] \Large{``Solidarity in a competing world ---\\fair use of resources''\\[2ex]}}
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\begin{center}
\Large{\textbf{The Effects of Substitution of Decorticated Sunflower Cake for Sesame Cake in Broiler Diets\footnote{\textbf{Contact Address:} Mohamed Ahmed, University of Alneelain, Animal Production, P.O. Box 12702, 11121~Khartoum, Sudan, \mbox{e-mail}: \email{moha_555@hotmail.com}}\\[0.8ex]}}
\normalsize{\textsc{Mohamed Ahmed$^{1}$, Nivien Elfaki$^{2}$}}
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\begin{itemize*}
\item[]{\small{\textit{$^{1}$University of Alneelain, Animal Production, Sudan}}}
\item[]{\small{\textit{$^{2}$University of Alneelain, Animal Production, Sudan}}}
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\index[author]{Ahmed, Mohamed}
\index[author]{Elfaki, Nivien}
\begin{center}
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\textbf{Abstract}
\begin{abstract}
\normalsize{
One hundred and sixty, one day old Hubbard broiler chicks were used to investigate the possibility of replacing sesame cake (SC) with decorticated sunflower seed cake (DSFC). SC in broiler starter (\mbox{29.6\,\%}) and finisher (\mbox{18\,\%}) diets was replaced with DSFC at 0 (control), 25, 50, \mbox{75\,\%} and \mbox{100\,\%}. All experimental diets were formulated to be isonitrogenous and isocaloric. The chicks were fed prestarter, starter and finisher diets from 0 to 7, 8 to 21 and 22 to 42 day old, respectively. Chicks were housed in an open sided house and fed ad libitum. The experiment was conducted in a completely randomised design; each treatment replicated four times. The live body weight (LW), body weight gain (BWG), feed intake (FI), feed conversion ratio (FCR) and protein efficiency ratio (PER) were measured weekly.  Carcass components were recorded at the end of the trial. 



Results showed that replacement had no significant (p$\geq$0.05) effect on all growth performance parameters. However, replacement at 25, 50, 75 and \mbox{100\,\%} increased body weight gain by 1.16, 3.78 and \mbox{8.62\,\%}, respectively. On the other hand, feed intake increased by 1.53, 1.92 and \mbox{3.21\,\%} at 25, 50 and \mbox{75\,\%}, respectively. FCR was improved by 2.19, 4.37 and \mbox{4.37\,\%} at 50, 75 and \mbox{100\,\%} replacement. In the same context, PER was increased by 1.85, 5.90 and \mbox{4.43\,\%}. No significant (p$\geq$0.05) differences were found for carcass characteristics, except for abdominal fat weight which revealed inconsistent response to dietary treatments. These results suggest that SC can be successfully replaced with DSFC without any negative effects.







}

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\noindent \textbf{Keywords:} Broiler, carcass, Decorticated sunflower cake, performance
\index[key]{Broiler}
\index[key]{Carcass}
\index[key]{Decorticated sunflower cake}
\index[key]{Performance}
\end{document}
