The Department for Phyto- and Zoosanitary Inspection of the National Service for Agricultural Health, Safety and Quality of Mexico informs about the prohibition against importing pork meat products from Latvia and Lithuania into Mexico, including boar meat from Lithuania. The above as sanitary measures to prevent the propagation of African Swine Fever.
Moreover, travelers arriving to Mexico from Latvia and Lithuania are required to declare whether they have been in contact with farm animals or visited a zoo in these countries in a period of up to 15 days prior to their trip.
The above mentioned Mexican authority has provided the following link with a list of products and processed foods that are allowed for import by tourists and those that are prohibited from entering the country:
https://www.gob.mx/cms/uploads/attachment/file/298912/Permitidas_y_prohibidas.pdf
