how often should you clean pet food bowls

In a recently published study , researchers at North Carolina State University found that bowl-washing regimens reduced the presence of microorganisms—like bacteria that potentially cause illnesses—in feeding bowls.  OK, that has a little "well, duh" to it. But one group of study participants was free to clean their pets' bowls whenever and however they wanted. When those bowls were swabbed at the end of the study, there was no significant difference in […]