Journal of Applied Poultry Research, ( ISI ), Volume (20), No (4), Year (2011-12) , Pages (429-446)

Title : ( Quality of meat from two 1970s and Ross 308 broiler strains fed drug-free lowand recommended-protein diets )

Authors: T. A. Woyengo , Abolghasem Golian , C. Bennett , H. Muc , G. Crow , W. Guenter ,

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Abstract

A study was conducted to compare the quality of meat from a modern broiler strain (Ross 308; RS) with that of two 1970s strains fed drug-free low-protein (LP) and recommendedprotein (RP) diets from 1 to 30 d of age. The RP and LP starter and grower diets were fed from 1 to 16 d and from 16 to 30 d of age, respectively. The LP grower diet was fed to all birds from d 31 to 63. Breast and thigh meats were less (P < 0.05) fibrous for the RS strain than for the 1970s strains. The breast meat of the RS strain was also juicier (P < 0.05) than that of the 1970s strains when the LP diet was fed. Thigh meat from 7-wk-old birds was less fibrous (P < 0.05) than that from 9-wk-old birds. The LP diet improved (P < 0.05) the tenderness of breast and thigh meats, but the improvement in breast meat tenderness was significant (P < 0.05) only for 7-wk-old birds. Breast and thigh meats from RS birds had higher (P < 0.05) pH and water-holding capacity than those from the 1970s strains. Breast meat from the RS birds had a higher (P < 0.05) percentage of fat (1.23 vs. 0.55 and 0.73%) and a lower (P < 0.05) percentage of protein (24.17 vs. 24.90 and 24.78%) than the 1970s strains. Meat from the RS strain had better sensory attributes and quality characteristics than meat from the two 1970s strains. Meat from the 1970s strains had a higher protein content and lower fat content than meat from the RS birds. The LP diet can improve meat sensory attributes if the birds are slaughtered at 7 wk of age, but not at 9 wk of age.

Keywords

, broiler , dietary protein , modern strain , 1970s strain , nutritional composition , quality characteristic , sensory attribute
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@article{paperid:1024587,
author = {T. A. Woyengo and Golian, Abolghasem and C. Bennett and H. Muc and G. Crow and W. Guenter},
title = {Quality of meat from two 1970s and Ross 308 broiler strains fed drug-free lowand recommended-protein diets},
journal = {Journal of Applied Poultry Research},
year = {2011},
volume = {20},
number = {4},
month = {December},
issn = {1056-6171},
pages = {429--446},
numpages = {17},
keywords = {broiler ; dietary protein ; modern strain ; 1970s strain ; nutritional composition ; quality characteristic ; sensory attribute},
}

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%0 Journal Article
%T Quality of meat from two 1970s and Ross 308 broiler strains fed drug-free lowand recommended-protein diets
%A T. A. Woyengo
%A Golian, Abolghasem
%A C. Bennett
%A H. Muc
%A G. Crow
%A W. Guenter
%J Journal of Applied Poultry Research
%@ 1056-6171
%D 2011

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