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\hypersetup{pdftitle={Evaluation of Protein Quality of Seed Materials of \textit{Mucuna Pruriens} as an Feed Ingredient for Broiler Birds},pdfauthor={Vellingiri Vadivel, Hans Konrad Biesalski},pdfsubject={Tropentag 2010: Abstract},pdfkeywords={, antinutritional compounds, broiler diet, growth performance., nutritional value, processing method, protein ingredient, velvet bean},pdfpagemode=None,colorlinks=true}
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\parbox[b]{13.4cm}{\centering \large{\textbf{Tropentag, September 14-16, 2010, Zurich}}\\[1ex] \Large{``World Food System  ---\\A Contribution from Europe''\\[2ex]}}
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\Large{\textbf{Evaluation of Protein Quality of Seed Materials of \textit{Mucuna Pruriens} as an Feed Ingredient for Broiler Birds\footnote{\textbf{Contact Address:} Vellingiri Vadivel, University of Hohenheim, Institute for Biological Chemistry and Nutrition, 14 Emil-Wolf Strasse, D-70593~Stuttgart, Germany, \mbox{e-mail}: \email{vadivelvellingiri@gmail.com}}\\[0.8ex]}}
\normalsize{\textsc{Vellingiri Vadivel$^{1}$, Hans Konrad Biesalski$^{2}$}}
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\begin{itemize*}
\item[]{\small{\textit{$^{1}$University of Hohenheim, Institute for Biological Chemistry and Nutrition, Germany}}}
\item[]{\small{\textit{$^{2}$University of Hohenheim, Institute for Biological Chemistry and Nutrition, Germany}}}
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\index[author]{Vadivel, Vellingiri}
\index[author]{Biesalski, Hans Konrad}
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\textbf{Abstract}
\begin{abstract}
\normalsize{
The effect of replacement of soybean meal by the velvet bean meal (VBM) as an alternative protein ingredient on the growth performance of broiler birds was investigated. The seed materials of velvet bean (VB) [\textit{Mucuna pruriens} (L.) DC. var. utilis (Wall. ex Wight) Baker ex Burck], an under"=utilised food legume collected from South India, was found to contain appreciable levels of proteins (\unitfrac[265]{g}{kg} DM); lipid (\unitfrac[65.1]{g}{kg} DM); neutral detergent fiber (\unitfrac[84.3]{g}{kg} DM) and ash content (\unitfrac[49.2]{g}{kg} DM). Soaking in sodium"=bi-carbonate solution + autoclaving treatment was found to cause substantial reduction on the levels of antinutritional compounds such as tannins (\mbox{75\,\%}), L-Dopa (\mbox{81\,\%}), phytic acid (\mbox{70\,\%}), raffinose (\mbox{92\,\%}), stachyose (\mbox{89\,\%}), verbascose (\mbox{71\,\%}), haemagglutinating activity (\mbox{75\,\%}), trypsin inhibitor activity (\mbox{78\,\%}) and $\alpha$-amylase inhibitor activity (\mbox{77\,\%}) without affecting the nutritional quality of VB seeds. Such processed VBM was incorporated as an alternative protein source by replacing the soybean meal protein at 0, 20, 40, 60, 80 and \mbox{100\,\%} levels in the commercial type broiler diets. Replacement of soybean meal up to \mbox{40\,\%} level with VBM as an alternative protein ingredient in the poultry diet, which corresponds to the inclusion of VBM up to \mbox{15.7\,\%} in the starter feed and \mbox{11\,\%} in the finisher phase poultry feed, exhibited better growth performance of the broiler birds without any adverse effects. Hence, after conducting a large"=scale trial and extensive toxicological evaluation, VBM could be recommended as an alternative and economic source of protein ingredient in the poultry feed, which will reduce the over"=dependence on the conventional legume proteins and also reduce the feed production cost to some extend and ultimately improves the growth of poultry industrial sector in many developing countries}

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\noindent \textbf{Keywords:} , antinutritional compounds, broiler diet, growth performance., nutritional value, processing method, protein ingredient, velvet bean
\index[key]{}
\index[key]{Antinutritional compounds}
\index[key]{Broiler diet}
\index[key]{Growth!performance.}
\index[key]{Nutritional value}
\index[key]{Processing method}
\index[key]{Protein ingredient}
\index[key]{Velvet bean}
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