CABADBARAN CITY, Agusan del Norte – The School-on-the-Air (SOA) program on Swine Production is now on its 3rd official airing over Kuya Mark Broadcasting Corporation - Mark FM 101.5. The SOA is conducted by the Agricultural Training Institute – Regional Training Center 13 in coordination with the Provincial Veterinary Office headed by Provincial Veterinarian Belen M. Aruelo.