CCV, CAV, and Other Canine Pathogen Testing¶
Beyond CPV and CDV, several other canine pathogens are tested in small-animal practice. This page covers the secondary menu: CCV, CAV, Leishmania, and Toxoplasma.
Test Menu Overview¶
| Pathogen | Disease | Test | Sample | Severity |
|---|---|---|---|---|
| CCV (coronavirus) | Enteritis | Antigen | Fecal | Mild–moderate |
| CAV-1 (adenovirus) | Infectious hepatitis | Antibody / PCR | Serum / blood | Severe |
| Leishmania | Leishmaniasis | Antibody | Serum | Chronic, multisystemic |
| Toxoplasma | Toxoplasmosis | Antibody | Serum | Usually subclinical |
Canine Coronavirus (CCV)¶
CCV causes enteritis, often co-infecting with CPV. The two are frequently tested together in a puppy with acute gastroenteritis.
| Note | Detail |
|---|---|
| Clinical severity | Generally milder than CPV |
| Co-infection | Common with CPV — test both |
| Vaccination | Not always core; check protocol |
| Sample | Fecal (antigen) |
Clinical pearl: a puppy with severe hemorrhagic gastroenteritis that is CPV-negative may still be CCV-positive — co-infection or CCV alone should be considered.
Canine Adenovirus (CAV)¶
Two adenoviruses matter clinically:
| Virus | Disease | Notes |
|---|---|---|
| CAV-1 | Infectious canine hepatitis | Severe; targets liver, endothelium, eyes |
| CAV-2 | Respiratory disease / kennel cough | Milder; also used in vaccines |
Detection is typically by antibody (serum) or PCR; antigen POCT for adenovirus is less common than for CPV/CCV.
Leishmania¶
Leishmaniasis is a vector-borne protozoal disease with strong regional epidemiology.
| Aspect | Detail |
|---|---|
| Distribution | Mediterranean basin, Latin America, parts of Asia |
| Transmission | Sandfly vector |
| Clinical signs | Chronic weight loss, lymphadenopathy, skin lesions, renal failure |
| Testing | Antibody (serum) screening; quantitative titers inform staging |
Indication: test imported or traveled dogs, or dogs in endemic regions with compatible chronic signs.
Toxoplasma¶
Toxoplasmosis is caused by Toxoplasma gondii.
| Aspect | Detail |
|---|---|
| Zoonotic potential | Yes — but clinical disease is rare in adult dogs |
| Transmission | Ingestion of oocysts (cat feces) or tissue cysts |
| Clinical signs | Usually subclinical; severe disease in immunosuppressed dogs |
| Testing | Antibody (serum) |
Co-Infection Considerations¶
In a puppy with acute gastroenteritis, consider testing a panel rather than a single pathogen:
| Scenario | Panel |
|---|---|
| Hemorrhagic diarrhea, puppy | CPV + CCV |
| Kennel cough / respiratory | CAV-2 + CDV |
| Chronic wasting, endemic region | Leishmania + baseline chemistry |
FAQ¶
Should I test for CCV alongside CPV? In a puppy with acute gastroenteritis, yes — co-infection is common and CPV alone may not explain all signs.
When is Leishmania testing indicated? In endemic regions, or in imported dogs with compatible chronic signs (weight loss, lymphadenopathy, skin lesions).
Does CAV have a rapid antigen test? Antigen POCT for adenovirus is less established than for CPV/CCV; antibody or PCR is typically used.
Case Study: The Imported Dog¶
A 3-year-old dog recently imported from the Mediterranean region presents with progressive weight loss, lymphadenopathy, and a crusting skin lesion over the nose.
- Leishmania antibody: positive (high titer).
- Biochemistry: mild hyperglobulinemia and proteinuria.
Management: The dog was staged for leishmaniasis (renal function, proteinuria, antibody titer) and started on anti-Leishmania therapy with regular monitoring.
Lesson: Regional history is the key trigger for Leishmania testing — an imported dog with chronic, multisystemic signs warrants screening even when the classic signs are subtle.
For the full canine menu, see Canine Infectious Disease. For accuracy data, see the Research Center.
Authored by: Migibio Clinical & Scientific Affairs, Guangzhou Magic Biotech Co., Ltd.
Reviewed by: Migibio R&D Quality Committee
Last updated: 2026-08-14
Disclosure: Migibio (Guangzhou Magic Biotech Co., Ltd.) is the manufacturer of the FIA680/FIA880 analyzers and FICT reagents referenced in this content. See our Editorial & Review Policy.