Dogs may show clinical signs at any stage of development of the disease, although many dogs with hip dysplasia do not
show overt clinical signs.
Thus, it can be used to predict a developing or latent food reaction, as early as 5 - 7 months before the appearance of
overt clinical signs of itching and scratching and / or gastrointestinal (GI) tract issues (such as excessive gas, bloating, diarrhea, soft stools, and gastric upset).
Osteoarthritis, chronic dermatitis, interstitial cystitis / urologic syndromes, oral disease, and ocular disorders tend to be accompanied by
few overt clinical signs but can cause chronic pain.
Unfortunately, this does not necessarily result in the development of overt, clinically observable symptoms - Thornburg and his colleagues (1985) reported that
overt clinical signs of liver disease do not generally occur until the dog is several years old.
Horses may carry the bacteria in their upper respiratory tract without
showing overt clinical signs and these horses are referred to as «Carriers».
Overall, Cardiff was acting energetically normal and showed
no overt clinical signs of illness, but for a mild decreased appetite for certain varieties of his normal foods (Lucky Dog Cuisine and The Honest Kitchen, which contain only human - grade, whole - food ingredients).
Not all dogs with CM / SM will have
overt clinical signs, so it is not safe to assume that a pet is appropriate for breeding on the basis of lack of symptoms.
The development of heartworm disease is insidious until
the overt clinical signs occur, and by then the disease has already affected your dog's heart and lungs.
By initiating therapy early,
overt clinical signs can be avoided.
Most affected dogs do not show
any overt clinical signs other than the jaws or teeth being out of alignment.