https://www.vetsurgeon.org/f/clinical-questions/8041/hydrocephalus-in-pugs Have a breeder who acquired a pug a few weeks ago. She was told today two of its littermates have been PTS due to hydrocephalus. Her concern now is that the one she has may get it, and that if she breeds it, its offspring will get it. I know in theen-USTelligent Community 10https://www.vetsurgeon.org/thread/36451?ContentTypeID=1Wed, 13 Apr 2011 22:32:08 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:c5525f6e-8035-4fe4-8208-6c155c2fa8ecAlex Gough<p>I&#39;m not sure about the inheritance of hydrocephalus, or whether it is actually known, but although most dogs will show clinical signs of hydrocephalus in the first year of life, many will cope remarkably well,&nbsp; but can decompensate later on due to eg minor trauma, so I have seen dogs with hydrocephalus present with signs for the first time between 3 and 5 years. </p><div style="clear:both;"></div>