Hygene

A farmer noticed that his prized cow was very flat. He called a vet. When the vet came he said that the cow needed more air in its stomach. He took a plain drinking straw and stuck it in the cows mouth. The vet started to blow. "nothing happened" the vet said. He took the straw out and inserted it the same way in the cow's asshole. He started to blow. This time the cows stomach started to inflate. After a few minutes, the vet told the farmer for him to blow because the vet was tired. The farmer looked at the vet and said "ok, but I'm turnimg the straw so my mouth doesn't touch your mouth... You know for hygene