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Localisation and Charagterisationof Egg Shell Porphyrins in Several Avian Species
Year:
1975
Source of publication :
British Poultry Science
Authors :
Bornstein, Simon
;
.
Lipstein, Bianka
;
.
Volume :
16
Co-Authors:
Lipstein, B., Division of Poultry Science, Agricultural Research Organization, Volcani Center, Rehovot, Israel
Bornstein, S., Division of Poultry Science, Agricultural Research Organization, Volcani Center, Rehovot, Israel
Facilitators :
From page:
189
To page:
200
(
Total pages:
12
)
Abstract:
I. Four trials were conducted to determine to what extent dietary protein concentration could be lowered while maintaining the concentrations of methionine and lysine, the first two limiting amino acids. 2. When the protein concentrations of well-balanced standard finisher diets were lowered by replacing soybean meal with sorghum grain (milo), there were progressive decreases in growth rate and increases in food consumption in spite of the substitution raising the energy content of the diets. 3. Maintaining methionine and lysine concentrations partly or completely reversed these trends. 4. Adding 0.12% methionine (above that generally considered to be the normal level in finisher diets) plus 0.20% lysine replace about 3 to 4 percentage units of soybean protein. 5. The recommended level of lysine supplementation may be exaggerated, since preliminary data indicate satisfactory results with a special supplementation of 0.10% each of methionine and lysine. © 1975, Taylor & Francis Group, LLC. All rights reserved.
Note:
Related Files :
Animal
cereal
Chickens
energy metabolism
Female
Male
metabolism
methionine
nutritional requirement
soybean
Show More
Related Content
More details
DOI :
10.1080/00071667508416176
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
29135
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:44
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Scientific Publication
Localisation and Charagterisationof Egg Shell Porphyrins in Several Avian Species
16
Lipstein, B., Division of Poultry Science, Agricultural Research Organization, Volcani Center, Rehovot, Israel
Bornstein, S., Division of Poultry Science, Agricultural Research Organization, Volcani Center, Rehovot, Israel
Localisation and Charagterisationof Egg Shell Porphyrins in Several Avian Species
I. Four trials were conducted to determine to what extent dietary protein concentration could be lowered while maintaining the concentrations of methionine and lysine, the first two limiting amino acids. 2. When the protein concentrations of well-balanced standard finisher diets were lowered by replacing soybean meal with sorghum grain (milo), there were progressive decreases in growth rate and increases in food consumption in spite of the substitution raising the energy content of the diets. 3. Maintaining methionine and lysine concentrations partly or completely reversed these trends. 4. Adding 0.12% methionine (above that generally considered to be the normal level in finisher diets) plus 0.20% lysine replace about 3 to 4 percentage units of soybean protein. 5. The recommended level of lysine supplementation may be exaggerated, since preliminary data indicate satisfactory results with a special supplementation of 0.10% each of methionine and lysine. © 1975, Taylor & Francis Group, LLC. All rights reserved.
Scientific Publication
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