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\hypersetup{pdftitle={A Futuristic Approach for Induced Moulting of Laying Hens by Non Feed Withdrawal Techniques},pdfauthor={Muhammad Yousaf, Abdul Shakoor Chaudhry},pdfsubject={Tropentag 2010: Abstract},pdfkeywords={Alternatives, induced moulting, non feed withdrawal moulting technique. },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{A Futuristic Approach for Induced Moulting of Laying Hens by Non Feed Withdrawal Techniques\footnote{\textbf{Contact Address:} Muhammad Yousaf, University of Agriculture, Poultry Science, 343 Gulistan Colony B-Block, 38040~Faisalabad, Pakistan, \mbox{e-mail}: \email{muhammad.yousaff@yahoo.com}}\\[0.8ex]}}
\normalsize{\textsc{Muhammad Yousaf$^{1}$, Abdul Shakoor Chaudhry$^{2}$}}
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\begin{itemize*}
\item[]{\small{\textit{$^{1}$University of Agriculture, Poultry Science, Pakistan}}}
\item[]{\small{\textit{$^{2}$Newcastle University, Newcastle Upon Tyne, Ne1 7ru, United Kingdom, Afrd, }}}
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\index[author]{Yousaf, Muhammad}
\index[author]{Chaudhry, Abdul Shakoor}
\begin{center}
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\textbf{Abstract}
\begin{abstract}
\normalsize{
This study was conducted at the Cockle Park Experiment Station, Newcastle University United Kingdom to evaluate the performance of hens subjected to induced moult by non feed withdrawal methods. A total of 72 Bovan-Hyline hens (70 weeks of age) were subjected to 1-wk acclimation (16L:8D photoperiod, ad libitum feed / water); 5-wk induced moulting and 10---wk postmoult production periods. Hens were divided into three treatment groups (24 hens per treatment in 8 cages havng \unitfrac[3]{hens}{cage}): ad libitum feeding with 8h (A) photoperiods or 8h photoperiod with restricted food (B) or B plus Aluminium (C). All hens received 16L:8D photoperiod and ad libitum layer mash containing 170 g CP/kg for 10 during postmoult weeks. Feed intake, live weight, moult scoring, egg production were monitored accordingly and weekly data were statistically analysed to compare the treatments at $p < 0.05$. Treatment B and Treatment C hens showed a significant decrease in live weight (feed intake reduced to \unitfrac[30]{g}{bird}/day) as compared to Treatment A during moulting period which increased rapidly as feed allocation was increased in post moult period. Treatment A hens showed negligible moult scoring during the experimental period while Treatment B and Treatment C (higher than B) hens showed significantly high moult scoring values. Egg production remained high for Treatment A during moulting period; however, from 4\textsuperscript{th} post moult week onwards egg production of Treatment C was higher than all the treatments. It was, therefore,  concluded that non feed removal induced moulting proved better than feed deprivation/non moulted hens and can be recommended for the future moulting of laying flocks in the poultry industry.}

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\noindent \textbf{Keywords:} Alternatives, induced moulting, non feed withdrawal moulting technique. 
\index[key]{Alternatives}
\index[key]{Induced moulting}
\index[key]{Non feed withdrawal moulting technique. }
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