Help me with this challenge : Hard one(college)

[Wolfz]

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Hello.
Can somebody help me to answer this challenge :

Why dogs still wagging tail when with Botulism ?

Please,the correct answer will give me 5 points in the college.

I don't know the answer,and can't find over the internet.

Thank you and sorry for bad english.

 

[Wolfz]

Nobody?

 

[jmo1012]

maybe its a reflex arc of sorts? the (severe) case of botulism i saw was definitely not wagging its tail