LINCOLN – As the bird flu continues to spread in the U.S., Massachusetts farmers must protect their flocks. But due to the recent rise in the disease, growing and raising their own food on property is a tradition that may have to be put on hold. “Whole point of how we grow animals here is to give them a good quality of life. They are free to roam as much as possible. We don’t really want to restrict our animals,” said farmer Peter Lowy. Cases are spiking this year He may have no choice. The virus first appeared in…..