Say what
Subtitle: vocalisation as an indicator of welfare in the domestic laying hen
By: Patrick H. Zimmerman
Contributors: Wageningen Universiteit
Publisher: [s.n.]
Published: 1999
Place of publication: Wageningen
Language: eng
Number of pages: 111
Notes: "Stellingen" inserted.

Thesis (doctoral)--Wageningen Universiteit, 1999.

Includes bibliographical references.

Summary in Dutch.