Effect of Perches at Different Positions in Conventional Cages for Laying Hens of Two Different Strains

 

作者: Per Abrahamsson,   Ragnar Tauson,  

 

期刊: Acta Agriculturae Scandinavica, Section A — Animal Science  （Taylor Available online 1993）
卷期: Volume 43, issue 4  

页码: 228-235

 

ISSN:0906-4702

 

年代: 1993

 

DOI:10.1080/09064709309410171

 

出版商: Taylor & Francis Group

 

关键词: egg;plumage;behaviour;health;bone strength

 

数据来源: Taylor

 

 

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