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Title: Gross response and meat yield of broiler chickens fed different levels of digestible methionine
Contributor(s): Amin, Jahanur Rahman (author); Mercier, Yves (author); Iji, Paul (author)
Publication Date: 2013
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Abstract: The current focus of genetic selection of broiler lines is on cut part yield. There is therefore a need to ascertain the methionine requirements to increase such yield. Three hundred and twenty male broiler chicks were randomly assigned to four dietary groups (digestible methionine levels) - 4.0, 5.8, 6.7 and 7.6 g/kg; 3.5, 5.1, 6.0 and 6.8g/kg , and 3.2, 4.6, 5.4 and 6.1 g/kg in the starter, grower and finisher diets, respectively. There was no significant effect of digestible methionine levels on growth response. However, breast meat yield was improved (P < 0.014) by increasing digestible methionine levels up to 6.7, 6.0 and 5.4 g/kg in the starter, grower and finisher stages. There were also improvements in weight of thighs (P < 0.012), drumsticks (P < 0.001) and wings (P < 0.013) with increased levels of digestible methionine. The results suggest that increasing digestible methionine levels could improve meat yield without altering the growth response of broiler chickens.
Publication Type: Conference Publication
Conference Name: ESPN 2013: 19th European Symposium on Poultry Nutrition, Potsdam, Germany, 26th - 29th August, 2013
Source of Publication: Proceedings of the 19th European Symposium on Poultry Nutrition, p. 151-151
Publisher: German Branch of WPSA: World's Poultry Science Association
Place of Publication: Potsdam, Germany
Field of Research (FOR): 070204 Animal Nutrition
HERDC Category Description: E3 Extract of Scholarly Conference Publication
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Appears in Collections:Conference Publication
School of Environmental and Rural Science

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