Physiological and behavioural changes in Holstein calves during and after dehorning or castration

Physiological and behavioural responses of 17 bull and 12 heifer dairy calves (80.9 +/- 1.4 kg) to either hot-iron dehorning or dehorning followed by scalpel castration were compared to both control and sham procedures and to each other. Blood samples were collected via jugular catheters at 15 and 3...

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Veröffentlicht in:	Canadian journal of animal science 2005-06, Vol.85 (2), p.131-138
Hauptverfasser:	Schwartzkopf-Genswein, K.S, Booth-McLean, M.E, McAllister, T.A, Mears, G.J
Format:	Artikel
Sprache:	eng
Schlagworte:	animal behavior animal physiology animal stress calves castration cortisol dairy bulls dehorning gender differences heart rate heifers Holstein
Online-Zugang:	Volltext
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