Portugal Pet Import/Export Requirements

Portugal pet import/export requirements are as follows:
Dogs, cats, and ferrets without an EU Pet Passport must be individually identified by an ISO compliant (11784 and 11785) microchip.
For pets at least 15 weeks old and vaccinated for rabies more than 21 days before entry into the EU: rabies vaccination must occur the same day as or AFTER microchip implantation. The rabies vaccination may be administered the same day as microchip implantation, but any rabies vaccination before a microchip is implanted is invalid.
After a primary rabies vaccination, the pet must wait 21 days before it is eligible to enter the EU.
Pets must have a USDA Accredited Veterinarian issue (complete and sign) the EU Health Certificate.
After the pet’s USDA Accredited Veterinarian has issued (completed and signed) the EU Health Certificate, have the pet’s completed health certificate endorsed by your local USDA APHIS Veterinary Services Endorsement Office.
The EU health certificate is valid for travel within the EU for up to 4 months from the date it is issued by the USDA Accredited Veterinarian as long as the rabies vaccine documented on it does not expire.
After entering the EU, dogs subsequently traveling to the United Kingdom, Ireland, Finland, Malta, or Norway will need to be treated for tapeworms by an EU veterinarian within 1-5 days before entering those countries. The EU veterinarian will add the tapeworm treatment information to the EU health certificate issued in the United States. It is your responsibility to ensure your pet meets the import requirements of each country you visit.
Airlines may have separate and additional requirements. Check with your airline to determine what requirements they may have, if any.
More information on Portugal pet import/export requirements