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Nitrogen absorption and endogenous nitrogen along the intestinal tract of chicks
Year:
1985
Source of publication :
Journal of Nutrition
Authors :
Bielorai, Rachel
;
.
Iosif, Bernard
;
.
Neumark, Chanan
;
.
Volume :
115
Co-Authors:
Bielorai, R., Department of Animal Nutrition, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan 50250, Israel
Iosif, B., Department of Animal Nutrition, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan 50250, Israel
Neumark, H., Department of Animal Nutrition, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan 50250, Israel
Facilitators :
From page:
568
To page:
572
(
Total pages:
5
)
Abstract:
Six groups of 15 chicks each were fed ad libitum experimental diets that contained between 0.4 and 35 g nitrogen/kg, from 10 to 16 day of age. Soybean meal was the only source of protein, and the marker was magnesium ferrite. The calculated absorption values obtained by regression analysis were higher than the determined apparent values, mainly in the duodenum and upper jejunum, due to elimination of endogenous nitrogen secretion. At the lower ileum, the calculated and the measured (apparent) absorption values were almost identical; thus, with soybean as the protein source in a diet containing a normal level of protein (18-35 N/kg diet), there is no need for endogenous nitrogen correction. Absorption of the endogenous nitrogen in chicks fed ad libitum a nitrogen-free diet was almost completed at the lower ileum (95%).
Note:
Related Files :
Animal
animal cell
Chickens
Duodenum
intestine absorption
large intestine
Male
nitrogen
regression analysis
soybean
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More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
21697
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:46
Scientific Publication
Nitrogen absorption and endogenous nitrogen along the intestinal tract of chicks
115
Bielorai, R., Department of Animal Nutrition, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan 50250, Israel
Iosif, B., Department of Animal Nutrition, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan 50250, Israel
Neumark, H., Department of Animal Nutrition, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan 50250, Israel
Nitrogen absorption and endogenous nitrogen along the intestinal tract of chicks
Six groups of 15 chicks each were fed ad libitum experimental diets that contained between 0.4 and 35 g nitrogen/kg, from 10 to 16 day of age. Soybean meal was the only source of protein, and the marker was magnesium ferrite. The calculated absorption values obtained by regression analysis were higher than the determined apparent values, mainly in the duodenum and upper jejunum, due to elimination of endogenous nitrogen secretion. At the lower ileum, the calculated and the measured (apparent) absorption values were almost identical; thus, with soybean as the protein source in a diet containing a normal level of protein (18-35 N/kg diet), there is no need for endogenous nitrogen correction. Absorption of the endogenous nitrogen in chicks fed ad libitum a nitrogen-free diet was almost completed at the lower ileum (95%).
Scientific Publication
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