The effect of air velocity on broiler performance and feed and water consumption

被引：27
|
作者：
May, JD [1 ]
Lott, BD [1 ]
Simmons, JD [1 ]
机构：
[1] ARS, USDA, S Cent Poultry Res Lab, Mississippi State, MS 39762 USA
来源：
POULTRY SCIENCE | 2000年 / 79卷 / 10期
关键词：
air velocity; temperature; feed : gain; broilers;
D O I：
10.1093/ps/79.10.1396
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
Two trials were conducted to determine the effect of air velocity on feed and water consumption ata constant temperature of 27 C and a daily cyclic temperature of 22-32-22 C. Air velocity over the broilers was <15 or 120 m/min. These temperature and air velocity treatments were arranged in a 2 x 2 factorial design in eight environmental chambers, with two replications of each treatment. The air velocity treatments were applied, and total feed and water consumption and daily patterns of consumption were determined for broilers from 21 to 49 d of age. Broilers exposed to the high air velocity consumed less water and more feed, gained more weight, and had an improved feed:gain ratio. The high air velocity had little effect on daily patterns of feed and water consumption. Both feed and water consumption were depressed during the peak of the daily cyclic temperature.
引用
收藏
页码：1396 / 1400
页数：5
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