Larry Wheelon charged with aggravated animal cruelty related to soring.
Veterinarian, investigators seize 19 horses found to be sore in Larry Wheelon's barn.
Racing board lifts ban on feed made after March 27.
Federal legislation would prohibit domestic slaughter and export of live horses.
Purina says it is fully cooperating with investigation; racing board hopes to prevent horses from ingesting the banned substance.
Consider these facts about foal development, nutrition.
Dean of Cornell veterinary school on search committee.
Veterinary professionals, students take advantage of CE opportunities.
Certain areas have seen cluster outbreaks of this disease and helped shed light on risk factors and preventive measures.