Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 369318
Title Ascites susceptibility as affected by dietary lysine to energy ratios in interaction with broiler genotypes
Author(s) Malan, D.D.; Scheele, C.W.; Buyse, J.; Kwakernaak, C.; Klis, J.D. van der; Decuypere, E.
Source Archiv für Geflügelkunde 71 (2007)6. - ISSN 0003-9098 - p. 247 - 257.
Department(s) ID - Voeding
Publication type Refereed Article in a scientific journal
Publication year 2007
Keyword(s) growth-hormone-secretion - carbon-dioxide tensions - thyroid-hormone - metabolic-rate - juvenile chickens - feed restriction - growing chickens - protein content - disturbances - performance
Abstract Male chickens of two pure broiler breeder (S1 and S2) and a broiler cross line Ross 308 (BC) were reared from 0-35 days of age and were fed three dietary regimes with different lysine to apparent metabolizable energy (Lys/AME) ratios. Chickens were subjected to low ambient temperatures to stimulate the development of ascites. The objectives of the experiment was to evaluate effects of different ratios lysine to apparent metabolizable energy (Lys/AME) in diets, at different ages, on following indicators in metabolism for ascites susceptibility: arterial and venous blood gas pressures ( pa CO2, pv CO2, pa O2 and pv O2), heat production (Hp), plasma thyroid hormone concentrations (triiodothyronine, T3 and thyroxine, T4) and proportional organ weights (lung, liver and heart). Measurements were carried out at 2 and 5 wk of age. The ascites susceptible sire lines displayed, at different ages, marked higher pv CO2 and arterial pa CO2 values and lower plasma thyroid hormone concentrations compared to the less ascites susceptible BC line. The latter line showed heavier proportional lung weights (P
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