National Animal Safety and Protection Month. 

National Pet Wellness Month.

October 4: World Animal Day.

1st Full Week of October. Animal Welfare Week. (AVMA)

Oct. 12: National Pet Obesity Awareness Day.

Oct. : National Veterinary Technician Week. Sponsored by the National Association of Veterinary Technicians of America. (TBA)

Oct. 29: National Cat Day.

Oct. 30: National Black Cat Day in the UK.