I have hunted several farms where there are cattle, in fact almost every private farm i've had permission to hunt had cattle on them. It has been my experience that deer do not usually come around when the cattle are there and I agree with Firehawk that cattle will come to you if they see you. Deer and cattle do use the same areas and I do not think that deer take much notice to cows as far as whether they have been in an area or not, but when they are there they do not come and mingle with them. Last year when I was hunting with my brother and his father in law on their farm there were cattle around me in the woods just off a field. No deer to be seen, until I got down out of the stand and literally shoed them away. 30-40 minutes later a spike passed by and went down where the cattle were at previously.