Infertility in Male Dogs 

What is infertility?

Infertility is the inability to get a female dog pregnant. In male dogs, infertility can be caused by a variety of factors

How to diagnose 

If you think your dog may be infertile, the veterinarian will perform a physical exam and may recommend some diagnostic tests.

How to treat

The treatment for infertility in male dogs depends on the underlying cause. 


The age of the male dog is a major factor in fertility. Older dogs are less likely to get females pregnant than younger dogs.

Structural abnormalities

Structural abnormalities, such as a blocked or damaged vas deferens, can also prevent a male dog from getting a female dog pregnant.


Some infections, such as brucellosis, can also cause infertility in male dogs.


Some medications, such as steroids, can also affect a male dog's fertility.

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