Abstract
The present experiment aimed at investigating the sensitivity of “eye-white percentage” as a dynamic indicator of fear in 16 dairy cows and describing the startle response provoked by sudden exposure to an unfamiliar suddenly opened umbrella. Sudden opening of the umbrella 0–2 m in front of cows caused initial startle and avoidance responses in all animals. Opening of the umbrella also caused a significant increase in avoidance and percentage of white in the eye during a 30 s (avoidance) or 60 s (eye-white) observation period compared to observations during the 30 s before the umbrella was opened. These results are interpreted as supporting the view that that percentage of white in the eye may be a valid indicator of fear in dairy cows.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
