Exercise-induced collapse appears on the Labradoodle's condition list because it comes from the Labrador side, and it is worth understanding precisely because this cross is built to run.
Affected dogs are entirely normal at rest and in ordinary activity. After roughly five to twenty minutes of intense, excited exercise, the hind legs weaken and the dog collapses, sometimes with disorientation. Most recover fully within half an hour. A minority of episodes are fatal.
It is not a fitness problem and it cannot be trained through. There is a DNA test, and it is a fair and specific question for any breeder using Labrador lines.
If a dog is affected, the management is to avoid the specific trigger — sustained high-excitement exercise such as repeated retrieves in hot weather — rather than to avoid exercise generally.
The rest of the list is hip and elbow dysplasia, joint issues, progressive retinal atrophy, allergies, epilepsy, heart problems and bloat. Ask for hip and elbow scores, eye certification and cardiac examination on both parents.
The Akita's burden is autoimmune and endocrine, with hip dysplasia and bloat alongside.