Beef Cross Reference AI Sire Database Search Form Search by NAAB Code Instructions: Select the marketing code and breed of sire you are looking for from the pulldown lists and type in your bull ID. You may leave the ID or marketing code blank if you do not know those. The system will then search for anything fitting your partial NAAB code. Marketing Code Invalid code Breed Code Invalid code 5 digit bull ID Invalid search terms Search by Registration Number Instructions: Enter the registration number of the bull you are searching for in the text field. * Registration Number Required Search by Full Registration Name Instructions: Enter the registration name of the sire in the text field, and click on 'Search'. Don't worry if you don't know the exact name; we'll give you a list of anything close, and let you pick from there. * Reg. Name Required Search by Short Name Instructions: Enter the registration name of the animal in the text field, and click on 'Search'. Don't worry if you don't know the exact name; we'll give you a list of anything close, and let you pick from there. * Short Name Required