More info:

https://todaysveterinarypractice.com/...
https://vcahospitals.com/knowyourpe...
https://veterinarypractice.com/artic...
https://www.msdvetmanual.com/eardiso...
https://www.msdvetmanual.com/dogowne...
https://www.cliniciansbrief.com/artic... (requires free registration)

Special thanks to Márton Balogh DVM, Elanco and Deirdre Ashdown!
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Music:

Thief in the Night; Breakdown; Loopster by Kevin MacLeod (purchased license)
Symphony No. 5 (Movement I) by Ludwig van Beethoven (public domain)

Sound effects:
freesound.org (license: Creative Commons: Zero)
plus my own voice and body parts