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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Feed intake regulation for the female broiler breeder: In theory and in practice  [2010]

Richards, M.P.; Rosebrough, R.W.; Coon, C.N.; McMurtry, J.P.;

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The modern commercial broiler is the product of intensive genetic selection for rapid and efficient growth. An unintended consequence of this selective breeding has been the loss of the ability for self-regulation of feed intake to closely match the requirements for maintenance, growth, and reproduction. Thus, the broiler tends to overconsume feed, resulting in a range of metabolic and health problems related to the development of obesity. These problems progress with age and become a significant impediment to the production of parent stock. To manage this situation, broiler breeder birds must be subjected to severe feed restriction, beginning early in life, to ensure that appropriate BW and composition are achieved at critical phases of the production cycle. This review focuses on the female broiler breeder because this bird requires the most intensive management with respect to feed allocation throughout production to attain BW targets that ensure good livability and efficient egg and chick production. Background information is provided on the cellular and molecular mechanisms that regulate feed intake and energy expenditure in poultry. In addition, several examples are discussed with regard to the endocrine and metabolic consequences of different feeding regimens commonly used in the management of the female breeder during the rearing and egg-laying phases of production.
From the journal
Journal of applied poultry research
ISSN : 1056-6171

Bibliographic information

Language:
English
Type:
Other
In AGRIS since:
2013
Volume:
19
Issue:
2
Start Page:
182
End Page:
193
All titles:
"Feed intake regulation for the female broiler breeder: In theory and in practice"@eng
Other:
"Includes references"
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Bibliographic information

Language:
English
Type:
Other
In AGRIS since:
2013
Volume:
19
Issue:
2
Start Page:
182
End Page:
193
All titles:
"Feed intake regulation for the female broiler breeder: In theory and in practice"@eng
Other:
"Includes references"