Could be dusty forage, warbles migrating, some other variable, or just what I refer to as the seasonal snots. Don't start giving antibiotics just for the hell of it. If she has a temp that's one thing, but to just start blasting anitobitcs as a general course of action is a waste of money, time, and can contribute to eventual antibotic immunity.
> One of my cows has a slight cough.
> Nothing bad it is like she is
> clearing her throat once in a
> while. The others have no cough at
> all. Should I give her something,
> call a vet or just keep an eye on
> her? They have only been
> vaccinated for pink eye. They are
> four and three years old.