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Selection for growth performance in broiler chickens associates with less diet flexibility

Jana Pauwels (UGent) , Frank Coopman (UGent) , An Cools (UGent) , Joris Michiels (UGent) , Dirk Fremaut (UGent) , Stefaan De Smet (UGent) and Geert Janssens (UGent)
(2015) PLOS ONE. 10(6).
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Abstract
Global competition for high standard feed-food resources between man and livestock, such as industrial broilers, is a concerning problem. In addition, the low productivity of scavenger chickens in developing countries leaves much to be desired. Changing the ingredients, and therefore, the nutrient composition of feed intake by commercial fed as well as scavenger chickens seems like an obvious solution. In this study, the ability of four broiler chicken breeds to perform on a commercial versus a scavenger diet was tested. The four broiler breeds differed genetically in growth potential. A significant (P < 0.01) negative effect of the scavenger diet on the bodyweight of the fast growing breeds was found and this effect decreased with decreasing growth rate in the other breeds. These differences in bodyweight gain could not be explained by differences in nutrient digestibility but were caused by the lack of ability of the fast growing breeds to increase their feed intake sufficiently.
Keywords
NUTRIENT DIGESTIBILITY, ACID-INSOLUBLE ASH, GASTROINTESTINAL-TRACT, METABOLIZABLE ENERGY, POULTRY PRODUCTION, LARGE-INTESTINE, FEED, FIBER, QUALITY, POLYSACCHARIDES

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Chicago
Pauwels, Jana, Frank Coopman, An Cools, Joris Michiels, Dirk Fremaut, Stefaan De Smet, and Geert Janssens. 2015. “Selection for Growth Performance in Broiler Chickens Associates with Less Diet Flexibility.” Plos One 10 (6).
APA
Pauwels, Jana, Coopman, F., Cools, A., Michiels, J., Fremaut, D., De Smet, S., & Janssens, G. (2015). Selection for growth performance in broiler chickens associates with less diet flexibility. PLOS ONE, 10(6).
Vancouver
1.
Pauwels J, Coopman F, Cools A, Michiels J, Fremaut D, De Smet S, et al. Selection for growth performance in broiler chickens associates with less diet flexibility. PLOS ONE. 2015;10(6).
MLA
Pauwels, Jana, Frank Coopman, An Cools, et al. “Selection for Growth Performance in Broiler Chickens Associates with Less Diet Flexibility.” PLOS ONE 10.6 (2015): n. pag. Print.
@article{6959818,
  abstract     = {Global competition for high standard feed-food resources between man and livestock, such as industrial broilers, is a concerning problem. In addition, the low productivity of scavenger chickens in developing countries leaves much to be desired. Changing the ingredients, and therefore, the nutrient composition of feed intake by commercial fed as well as scavenger chickens seems like an obvious solution. In this study, the ability of four broiler chicken breeds to perform on a commercial versus a scavenger diet was tested. The four broiler breeds differed genetically in growth potential. A significant (P {\textlangle} 0.01) negative effect of the scavenger diet on the bodyweight of the fast growing breeds was found and this effect decreased with decreasing growth rate in the other breeds. These differences in bodyweight gain could not be explained by differences in nutrient digestibility but were caused by the lack of ability of the fast growing breeds to increase their feed intake sufficiently.},
  articleno    = {e0127819},
  author       = {Pauwels, Jana and Coopman, Frank and Cools, An and Michiels, Joris and Fremaut, Dirk and De Smet, Stefaan and Janssens, Geert},
  issn         = {1932-6203},
  journal      = {PLOS ONE},
  keyword      = {NUTRIENT DIGESTIBILITY,ACID-INSOLUBLE ASH,GASTROINTESTINAL-TRACT,METABOLIZABLE ENERGY,POULTRY PRODUCTION,LARGE-INTESTINE,FEED,FIBER,QUALITY,POLYSACCHARIDES},
  language     = {eng},
  number       = {6},
  pages        = {13},
  title        = {Selection for growth performance in broiler chickens associates with less diet flexibility},
  url          = {http://dx.doi.org/10.1371/journal.pone.0127819},
  volume       = {10},
  year         = {2015},
}

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