Conferences & Events We offer major annual conferences on a variety of topics such as shelter medicine and veterinary forensics. See what's coming up. Facebook Twitter Pinterest Email More Sharing Options In this section 2020 ASPCA Cornell Maddie’s Shelter Medicine Conference This event has been canceled for 2020. Please check back for online learning opportunities. ASPCA’s Trap Neuter Return and Monitor (TNRM) Certification Workshop Upcoming dates for 2020 are currently canceled. Check back for more learning opportunities.