Purebred breeding cattle (010221) must be registered or registrable with a recognized breed association and imported specifically for breeding purposes. Animals intended for feeding or slaughter, even if of purebred lineage, are classified under 010229. Documentation from the breed registry is typically required to support the purebred breeding claim at entry.

Yes, both cattle and buffalo fall under heading 0102. Buffalo are separated into their own subheadings (010231 for purebred breeding and 010239 for others), but they share the same APHIS import-health framework as cattle, with country-specific disease conditions applying at the time of entry.