Rules on rabies, pets tickets are more expensive and the limits on animals on the airline's cabins make travel with pets more complicated. The CDC passed more restrictions on dogs especially traveling with their owners. That's because the rise in pandemic pet adoption has led to people falsifying their pet's immunization records. Be sure your pet vaccination certificates are up-to-date. The CDC requires that your pet be at least six months old. You'll have to check the rules for Hawaii and other countries you might have to quarantine your pets.
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Article on Canine Diy Enrichment
​https://www.aspca.org/pet-care/dog-care/canine-diy-enrichment