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Effect of different dietary levels of protein on fat deposition in broilers divergently selected for high or low abdominal adipose tissue1
Year:
1992
Source of publication :
British Poultry Science
Authors :
Nitsan, Zafrira
;
.
Zoref, Zipora
;
.
Volume :
33
Co-Authors:
Keren-zvi, S., The Hebrew University of Jerusalem, Faculty of Agriculture, P.O. Box 12, Rehovot, Israel
Nir, I., The Hebrew University of Jerusalem, Faculty of Agriculture, P.O. Box 12, Rehovot, Israel
Cahaner, A., The Hebrew University of Jerusalem, Faculty of Agriculture, P.O. Box 12, Rehovot, Israel
Zoref, Z., The Hebrew University of Jerusalem, Faculty of Agriculture, P.O. Box 12, Rehovot, Israel
Nitsan, Z., Agricultural Research Organization, The Volcani Center, P.O. Box 6, Bet Dagan, Israel
Facilitators :
From page:
517
To page:
524
(
Total pages:
8
)
Abstract:
1. Male broilers selected for high (HF) or low (LF) abdominal fat were fed from 8 to 53 d of age on diets containing different concentrations of protein: according to N.R.C. (1984) recommendations (IP), 14% lower (LP) or 14% higher (HP). 2. The growth of LF birds fed on the LP diet was depressed until 35 d of age, but did not differ from the other groups later on. 3. The HF birds had heavier adipose tissues (AT) (g/kg body weight) than the LF birds. Significant line by diet interactions indicated a difference in magnitude of the response of the lines to dietary protein content. 4. Fat concentration of the AT and skin was higher, and in the tibia lower in the HF than in the LF birds. The fat concentration in liver and in breast muscle was not affected by line or by diet. 5. The ratio of saturated plus monoenoic fatty acids to polyenoic fatty acids, considered as an index of fat synthesis, was higher in the abdominal adipose tissue (AAT) of HF compared with LF birds. In AAT, liver and in breast muscle, this ratio was inversely related to dietary protein content. © 1992, Taylor & Francis Group, LLC. All rights reserved.
Note:
Related Files :
adipose tissue
Animal
breeding
chemistry
Chickens
fatty acids
Growth, Development and Aging
Histology
Male
Show More
Related Content
More details
DOI :
10.1080/00071669208417490
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
21155
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:41
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Scientific Publication
Effect of different dietary levels of protein on fat deposition in broilers divergently selected for high or low abdominal adipose tissue1
33
Keren-zvi, S., The Hebrew University of Jerusalem, Faculty of Agriculture, P.O. Box 12, Rehovot, Israel
Nir, I., The Hebrew University of Jerusalem, Faculty of Agriculture, P.O. Box 12, Rehovot, Israel
Cahaner, A., The Hebrew University of Jerusalem, Faculty of Agriculture, P.O. Box 12, Rehovot, Israel
Zoref, Z., The Hebrew University of Jerusalem, Faculty of Agriculture, P.O. Box 12, Rehovot, Israel
Nitsan, Z., Agricultural Research Organization, The Volcani Center, P.O. Box 6, Bet Dagan, Israel
Effect of different dietary levels of protein on fat deposition in broilers divergently selected for high or low abdominal adipose tissue1
1. Male broilers selected for high (HF) or low (LF) abdominal fat were fed from 8 to 53 d of age on diets containing different concentrations of protein: according to N.R.C. (1984) recommendations (IP), 14% lower (LP) or 14% higher (HP). 2. The growth of LF birds fed on the LP diet was depressed until 35 d of age, but did not differ from the other groups later on. 3. The HF birds had heavier adipose tissues (AT) (g/kg body weight) than the LF birds. Significant line by diet interactions indicated a difference in magnitude of the response of the lines to dietary protein content. 4. Fat concentration of the AT and skin was higher, and in the tibia lower in the HF than in the LF birds. The fat concentration in liver and in breast muscle was not affected by line or by diet. 5. The ratio of saturated plus monoenoic fatty acids to polyenoic fatty acids, considered as an index of fat synthesis, was higher in the abdominal adipose tissue (AAT) of HF compared with LF birds. In AAT, liver and in breast muscle, this ratio was inversely related to dietary protein content. © 1992, Taylor & Francis Group, LLC. All rights reserved.
Scientific Publication
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