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Glucose kinetics and respiratory metabolism in fed and fasted chickens
Year:
1981
Authors :
Herman, Amiel
;
.
Hurvitz, Shmuel (Animal science)
;
.
Riesenfeld, Gad
;
.
Volume :
70
Co-Authors:
Riesenfeld, G., Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Herman, A., Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Hurwitz, S., Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Facilitators :
From page:
223
To page:
227
(
Total pages:
5
)
Abstract:
1. 1. Glucose replacement rate, recycling and oxidation rates, as well as respiratory metabolism, were studied in unanaesthetized chickens which were fed or fasted, 0, 24 and 72 hr. (U[14C], 6[3H]) glucose was used for glucose kinetics study while oxygen consumption (VO2) and CO2 production (VCO2) were determined simultaneously in an open circuit system. 2. 2. Glucose apparent replacement rate decreased during fasting from 17 to 9 mg/min/kg while glucose recycling did not change significantly. 3. 3. The net conversion of glucose carbon to expired CO2 decreased from 2.1 to 0.89 mg/min/kg during the first 24 hr of fasting. Glucose oxidation contributed 31 and 12% of the total heat production (M) in fed and fasted chickens respectively. 4. 4. The relations between glucose homeostasis and heat production in the chicken are discussed. © 1981.
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DOI :
10.1016/0300-9629(81)91449-3
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
24574
Last updated date:
21/08/2022 07:45
Creation date:
17/04/2018 00:08
Scientific Publication
Glucose kinetics and respiratory metabolism in fed and fasted chickens
70
Riesenfeld, G., Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Herman, A., Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Hurwitz, S., Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Glucose kinetics and respiratory metabolism in fed and fasted chickens
1. 1. Glucose replacement rate, recycling and oxidation rates, as well as respiratory metabolism, were studied in unanaesthetized chickens which were fed or fasted, 0, 24 and 72 hr. (U[14C], 6[3H]) glucose was used for glucose kinetics study while oxygen consumption (VO2) and CO2 production (VCO2) were determined simultaneously in an open circuit system. 2. 2. Glucose apparent replacement rate decreased during fasting from 17 to 9 mg/min/kg while glucose recycling did not change significantly. 3. 3. The net conversion of glucose carbon to expired CO2 decreased from 2.1 to 0.89 mg/min/kg during the first 24 hr of fasting. Glucose oxidation contributed 31 and 12% of the total heat production (M) in fed and fasted chickens respectively. 4. 4. The relations between glucose homeostasis and heat production in the chicken are discussed. © 1981.
Scientific Publication
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