Pork producers around the world have been battling porcine circovirus (PCV), particularly PCV type 2, since the 1990s. Most recently, another type of PCV — type 3 — has been identified, but reports from the field indicate that it’s similar to PCV2 in name only. To help the pork industry gain an even better understanding of PCV, Pig Health Today and its sponsor, Zoetis, organized a two-part, roundtable discussion with experts on this disease.