Crude protein requirements for broiler breeder hens during the breeding period

被引：0
|
作者：
De Brum, PAR [1 ]
Junior, AMP [1 ]
Guidoni, AL [1 ]
Albino, LFT [1 ]
Fialho, FB [1 ]
机构：
[1] EMBRAPA, Ctr Nacl Pesquisa Suinos & Aves, BR-89700000 Concordia, SC, Brazil
来源：
PESQUISA AGROPECUARIA BRASILEIRA | 1998年 / 33卷 / 08期
关键词：
nutritional requirements; nutrition; breeder birds;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
The objective of this work was to determine the dietary protein requirement for broiler breeders during their breeding period. Two broiler breeder lines were submitted to isocaloric diets, with levels of crude protein (CP) of 12.0; 13.5; 15.0; 16.5 and 18.0% from 24th to 56th week of age. A linear effect of crude protein level on egg weight was observed only at the 32nd week of age. CP level did not affect the total number of eggs produced, bird live weight, and bird carcass composition. The results indicate that it is possible to use diets containing as little as 12% of CP for broiler breeder hens from the 24th to 56th week of age.
引用
收藏
页码：1389 / 1397
页数：9
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