I just got this from the hotel kingdom website ,it said the same thing for Portofino.
"For Pet Lovers: The Universal Orlando's Hard Rock Hotel welcomes pets up to 20 pounds (max. 2 pets per room). Upon check-in, pets receive a welcome gift, list of services, do not disturb sign and room service menu. The hotel also has kennels that may be rented (please see hotel staff for fee), special pet room service and pet housekeeping services. All pets must be leashed or kenneled while staying at the hotel. Pets are not allowed in restaurants or pool areas. Universal Orlando's Hard Rock Hotel requires a certificate of health dated no more than ten days prior to check-in for each pet. The hotel charges a $100 non-refundable pet deposit for each pet."
Hope this helps!!