Laffy Taffy jokes

Maybe it's because I've had a lot of candy tonight, but I laughed hard at these stupid Laffy Taffy jokes..

What do you call a cow with a twitch?
Beef Jerky.

Do doctors make housecalls?
Yes, but your house has to be really sick.

What is the best way to brush your hare?
Hold him by firmly by his long ears and brush gently.
(This one is much more funny being read to someone.)