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Can a tiny male Chihuahua impregnate a female Cocker Spaniel in heat?

Updated On September 23rd, 2025

Pet's info: Dog | Cocker Spaniel | Female | unspayed | 10 months and 4 days old

Can a tiny male chihuahua get a cocker spaniel pregnant my cocker spaniel is in heat should I separate them or are they ok to leave together he can’t reach to breed with her he’s been humping her leg all day

1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on February 28th, 2019

Thanks for using Petco Pet Education Center, formerly Petcoach! It sounds like it would technically not be possible due to their difference in size. However, it would be the safest to not leave them alone unsupervised just in case and mostly so that he is not bothering your female dog. Best of luck!

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