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Tsukuba Business-Academia Cooperation Support Center, Agriculture, Forestry and Fisheries Research Council Secretariat of the Ministry of Agriculture, Forestry and Fisheries, Japan (MAFF) was established in 1978 as Tsukuba Office and has been planning and operating various research facilities for supporting experimental research activities of research agencies, prefectural organizations and universities. The Tsukuba Business-Academia Cooperation Support Center is currently managing two centers, Agriculture, Forestry and Fisheries Research Infor [...]

Journal Article

Journal Article

Comparison of heat production and plasma lipid metabolites between meat- and egg-type of Nagoya breed chicken during embryonic development  [2007]

Sato, M.(Kyushu Univ., Fukuoka (Japan)); Noda, K.; Kino, K.; Nakamura, A.; et al.

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We compared heat production (HP) and plasma lipid metabolites between meat- and egg-types of Nagoya breed chickens during embryonic development. To investigate HP and respiratory quotient, oxygen consumption and carbon dioxide production were measured using an open-circuit calorimeter system. HP was significantly lower in meat- than in egg-type chickens during embryonic development, and HP gradually decreased with developmental stage in both types. The respiratory quotient was constant at approximately 0.68 at every embryonic stage investigated, and the value was similar in both types. Plasma concentrations of triacylglycerol, nonesterified fatty acid, glycerol and D-3-hydroxybutyrate, which are associated with lipid metabolism, were similar in both types during embryonic development. These results demonstrate that chicken embryos selected for rapid growth of Nagoya breed have characteristic lower HP, and that when selecting chickens for rapid growth, HP is an important parameter during embryonic stages.

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Bibliographic information

Language:
English
Type:
Summary
In AGRIS since:
2008
Volume:
78
Issue:
6
Start Page:
613
End Page:
618
All titles:
" Comparison of heat production and plasma lipid metabolites between meat- and egg-type of Nagoya breed chicken during embryonic development "
Other:
" Summary (En) "
" 1 tab. 3 fig. 16 ref. "

From the journal

Animal Science Journal (Japan)

ISSN : 1344-3941