Good luck! Check with your vet about the type of culture being done. There are two types, one just basically checks to see if the bacteria is there, and the other is a sensitivity test. The sensitivity test costs more typically, but will actually tell you which antibiotic will take care of the problem!
We are as gods to the beasts of the fields. We order the time o' their birth and the time o' their death. Between times, we ha' a duty. - Terry Pratchett.
"Men have forgotten this truth", said the fox, "But you must not forget it. You become responsible, forever, for what you have tamed. - Antoine de Saint-Exupéry