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אסיף מאגר המחקר החקלאי
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The Effect of Dietary Protein Level on the Lysine and Arginine Requirements of Growing Chickens
Year:
1998
Source of publication :
Poultry Science
Authors :
Hurvitz, Shmuel
;
.
Plavnik, Isaak
;
.
Talpaz, Hovav
;
.
Volume :
77
Co-Authors:

Hurwitz, S., Institute of Animal Science, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Sklan, D., Faculty of Agriculture, Hebrew University, Rehovot, Israel
Talpaz, H., Institute of Animal Science, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Plavnik, I., Institute of Animal Science, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel

Facilitators :
From page:
689
To page:
696
(
Total pages:
8
)
Abstract:
Comparisons were made of the growth and carcass fat responses to dietary lysine and of the lysine requirements of 1-wk-old broiler chickens receiving diets containing either 18, 20, 23 or 25% protein. Similar comparisons were made of the responses elicited by dietary arginine in diets containing 18 or 23% dietary protein. The responses to lysine supplementation and the lysine requirements of chicks receiving 23 or 25% protein diets were similar. In comparing the 18 or 20% to the 23% protein diet, the initial responses of growth and feed efficiency to dietary lysine were augmented, but the maximal weight gain diminished as dietary protein decreased, leading to a decrease in the lysine requirements. The amounts of extractable carcass fat or abdominal fat pad increased as dietary protein was lowered and, in general, were reduced either by lysine or arginine supplementation. Percentage of pectoral muscle increased slightly with dietary arginine and protein supplementation. The results suggest that when total dietary amino acid level is reduced, the requirements for the individual amino acid decrease due to growth retardation resulting from single or multiple amino acid deficiencies. Single amino acid supplementation of low protein diet is more effective in improving the amino acid balance than supplementation of high protein diets, resulting in a further decrease in the requirements.
Note:
Related Files :
Animal
Animals
Carcass fat
Chickens
Growth
Growth, Development and Aging
Male
Show More
Related Content
More details
DOI :
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
28124
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:36
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Scientific Publication
The Effect of Dietary Protein Level on the Lysine and Arginine Requirements of Growing Chickens
77

Hurwitz, S., Institute of Animal Science, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Sklan, D., Faculty of Agriculture, Hebrew University, Rehovot, Israel
Talpaz, H., Institute of Animal Science, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Plavnik, I., Institute of Animal Science, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel

The Effect of Dietary Protein Level on the Lysine and Arginine Requirements of Growing Chickens
Comparisons were made of the growth and carcass fat responses to dietary lysine and of the lysine requirements of 1-wk-old broiler chickens receiving diets containing either 18, 20, 23 or 25% protein. Similar comparisons were made of the responses elicited by dietary arginine in diets containing 18 or 23% dietary protein. The responses to lysine supplementation and the lysine requirements of chicks receiving 23 or 25% protein diets were similar. In comparing the 18 or 20% to the 23% protein diet, the initial responses of growth and feed efficiency to dietary lysine were augmented, but the maximal weight gain diminished as dietary protein decreased, leading to a decrease in the lysine requirements. The amounts of extractable carcass fat or abdominal fat pad increased as dietary protein was lowered and, in general, were reduced either by lysine or arginine supplementation. Percentage of pectoral muscle increased slightly with dietary arginine and protein supplementation. The results suggest that when total dietary amino acid level is reduced, the requirements for the individual amino acid decrease due to growth retardation resulting from single or multiple amino acid deficiencies. Single amino acid supplementation of low protein diet is more effective in improving the amino acid balance than supplementation of high protein diets, resulting in a further decrease in the requirements.
Scientific Publication
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