Defatted corn germ meal in diets for laying hens from 28 to 44 weeks of age

被引：5
|
作者：
Brunelli, Sandra Regina [1 ]
Pinheiro, Joao Waine [1 ]
Nicolao Fonseca, Nilva Aparecida [1 ]
Oba, Alexandre [1 ]
da Silva, Caio Abercio [1 ]
机构：
[1] Univ Estadual Londrina, Dept Zootecnia, Londrina, Brazil
来源：
REVISTA BRASILEIRA DE ZOOTECNIA-BRAZILIAN JOURNAL OF ANIMAL SCIENCE | 2010年 / 39卷 / 05期
关键词：
alternative feed; egg production; egg quality; nutrition; performance; FOOD PASSAGE; AMINO-ACIDS; FAT; PERFORMANCE; QUALITY; DIGESTIBILITY; TRYPTOPHAN; LEVEL; OIL;
D O I：
10.1590/S1516-35982010000500017
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
This experiment was conducted to evaluate the effect of including defatted corn germ meal in diets for laying hens. It was assigned two hundred and forty laying hens to a randomized design, with six diets and five replicates of eight hens per diet. Experimental diets were formulated by inclusion of defatted corn germ meal at 0, 6, 12, 18, 24 and 30% level. The period experiment was carried out for four 28-day cycles and performance (feed intake, egg production, egg weight, egg mass and feed conversion) and the egg quality (egg specific gravity, yolk color, yolk and albumen percentages, shell percentages, shell thickness and Haugh unity) were the evaluated parameters. Negative linear effect was observed for feed intake and yolk pigmentation by increasingly including defatted corn germ meal in diets for laying hens. Quadratic effect of defatted corn germ meal for feed conversion was also observed. No statistical differences were observed for any other parameters. Defatted corn germ meal can be included at 21.2% in laying hens diets.
引用
收藏
页码：1068 / 1073
页数：6
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