Herding Associations Herding Associations in the US are: AHBA - www.ahba-herding.org AKC - www.akc.org ASCA - www.asca.org USBCHA - www.usbcha.com AHBA accepts all breeds. USBCHA accepts all breeds for open and nursery; local associations should be checked about other breeds for open ranch, ranch, and novice. AKC and ASCA specify the breeds that are eligible to participate in their sanctioned events. See this link for eligible breeds.