Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Ernst K. F. Fröhlich"'
Publikováno v:
Animals, Vol 5, Iss 4, Pp 1192-1206 (2015)
Numerous studies have demonstrated influences of hybrid, feed, and housing on prevalence of keel bone fractures, but influences of behavior and production on an individual level are less known. In this longitudinal study, 80 white and brown laying he
Externí odkaz:
https://doaj.org/article/7cddc2001dc74ecaac818446a804f2ec
Autor:
Sabine G. Gebhardt-Henrich, Andreas Pfulg, Ernst K. F. Fröhlich, Susanna Käppeli, Dominik Guggisberg, Annette Liesegang, Michael H. Stoffel
Publikováno v:
Frontiers in Veterinary Science, Vol 4 (2017)
Keel bone damage is a wide-spread welfare problem in laying hens. It is unclear so far whether bone quality relates to keel bone damage. The goal of the present study was to detect possible associations between keel bone damage and bone properties of
Externí odkaz:
https://doaj.org/article/6bd75dc6bd27422db82d6683d6ca3b0d
Autor:
Sabine G. Gebhardt-Henrich, Ernst K. F. Fröhlich, Frank Burose, Jonathan Fleurent, Michael Gantner, Michael Zähner
Publikováno v:
Landtechnik, Vol 69, Iss 6 (2014)
In a laboratory test of a low-frequency RFID system the probability of registration was assessed and this system was used to study ranging behavior of laying hens. To test the equipment, tags with various orientations on a platform were moved with va
Externí odkaz:
https://doaj.org/article/f83ca2211daa42fe9f4f5004ecb0dcda
Autor:
Ariane Stratmann, Ernst K F Fröhlich, Alexandra Harlander-Matauschek, Lars Schrader, Michael J Toscano, Hanno Würbel, Sabine G Gebhardt-Henrich
Publikováno v:
PLoS ONE, Vol 10, Iss 3, p e0122568 (2015)
Keel bone fractures and deviations are one of the major welfare and health issues in commercial laying hens. In non-cage housing systems like aviaries, falls and collisions with perches and other parts of the housing system are assumed to be one of t
Externí odkaz:
https://doaj.org/article/cd110c2b083f4e12bebbac9e7dc1e292