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Kai Liu
Iowa State University
17Publications
4H-index
62Citations
Publications 17
Newest
#1Kai Liu (Iowa State University)H-Index: 4
#2Hongwei Xin (Iowa State University)H-Index: 32
Last.Yang Zhao (MSU: Mississippi State University)H-Index: 1
view all 4 authors...
Abstract Provision of perches in enriched colony or cage-free hen housing facilitates birds’ ability to express natural behaviors, thus enhancing animal welfare. Although considerable research has been conducted on poultry perches, further investigation is needed of perching behavior and preference of laying hens to perch exposure and perch types. This study aimed to assess preference of young laying hens for round vs. hexagon perches and to characterize temporal perching behaviors of the young ...
1 CitationsSource
#1Kai Liu (Iowa State University)H-Index: 4
#2Hongwei Xin (Iowa State University)H-Index: 32
Last.Tong Wang (Iowa State University)H-Index: 27
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3 CitationsSource
#1Kai LiuH-Index: 4
#2H. XinH-Index: 1
Last.P. SettarH-Index: 1
view all 3 authors...
1 CitationsSource
#1Kai Liu (Iowa State University)H-Index: 4
#2Hongwei Xin (Iowa State University)H-Index: 32
Abstract Perching is a highly-motivated natural behavior of laying hens that has been considered as one of the essential welfare requirements. The objective of the study was to evaluate perching behaviors of laying hens as affected by horizontal distance (HD) between parallel perches. A total of 48 Lohmann white hens in three groups (16 hens/group) were used, 68 weeks of age at the experiment onset. For each group, hens were housed in an enriched wire-mesh floor pen (120 cm L × 120 cm W × 120 cm...
1 CitationsSource
#1Lihua LiH-Index: 2
#2Yang ZhaoH-Index: 14
Last.Hongwei XinH-Index: 32
view all 6 authors...
5 CitationsSource
#1Kai LiuH-Index: 4
#2Hongwei XinH-Index: 32
Last.Lilong ChaiH-Index: 8
view all 3 authors...
Source
#1Kai LiuH-Index: 4
#2Hongwei XinH-Index: 32
Last.Lilong ChaiH-Index: 8
view all 3 authors...
2 CitationsSource
#1Lilong ChaiH-Index: 8
#2Yang ZhaoH-Index: 14
Last.Kai LiuH-Index: 4
view all 7 authors...
Abstract. Particulate matter (PM) concentrations are high in cage-free aviary hen houses due to accumulation of litter on the floor and hen activities. The use of a spraying agent such as acidic electrolyzed water (AEW) to mitigate PM levels and disinfect houses has been reported, and high spray dosages will reduce PM to a low level. However, spraying a high dose of AEW may generate high levels of ammonia (NH3) due to an increase in litter moisture content (LMC). Lab-scale experiments were condu...
3 CitationsSource
#1Lilong ChaiH-Index: 8
#2Hongwei XinH-Index: 32
Last.Kai LiuH-Index: 4
view all 6 authors...
Source
#1Hongwei Xin (Iowa State University)H-Index: 32
#2Kai Liu (Iowa State University)H-Index: 4
2 CitationsSource
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