Mongrel (Tong Gau) health guide
Also known as: Tong Gau, Mixed Breed, Macau Village Dog, Rescue Dog
About this breed
The Tong Gau, southern China's native village dog, and Macau's many rescue mixes are tough, intelligent and generally healthier than most purebreds thanks to genetic diversity. Their needs centre on parasite protection, weight after neutering and a good baseline from an unknown history.
Living in Macau's climate
Many Tong Gau spent time outdoors, so year-round heartworm, tick and flea prevention is the single most important protection in Macau's mosquito-heavy climate. Their short dense coat handles local weather well; shade and water cover most summer needs.
Common health conditions
Heartworm disease
Signs: Soft cough, tiring on walks and weight loss, often silent for years.
Prevention: Monthly prevention for life plus a yearly blood test; mosquito-borne and common in unprotected local dogs.
Tick fever (tick-borne disease)
Signs: Fever, lethargy, pale gums, unexplained bruising or nosebleeds.
Prevention: Year-round tick prevention and prompt blood testing whenever a fever or pallor appears.
Post-neutering weight gain
Signs: Gradual thickening of the waist in the year after surgery.
Prevention: Cut food portions by about 20 percent after neutering and weigh twice yearly.
Arthritis in the senior years
Signs: Slower rising, stiffness after rest and reluctance on stairs.
Prevention: Lifelong lean weight and early joint support once stiffness appears.
Daily care tips
- Never skip a month of heartworm, flea and tick prevention in Macau.
- Book a full baseline exam with blood work when adopting; history is often unknown.
- Adjust food after neutering before the weight arrives.
- Socialise rescues gradually; many are streetwise but people-shy at first.
Screening schedule
On adoption
Full exam, blood work, heartworm and tick-fever testing, vaccination catch-up.
1 to 6 years
Annual exam with heartworm test and weight review.
7 years and up
Twice-yearly senior checks with blood work and arthritis screening.
Book a breed-savvy check-up
Our vets see Mongrel (Tong Gau) patients every week and know exactly what to screen for. Call +853 6677 6611 or book online.
Book a check-upRelated breeds
This guide is general information for the breed as a whole and does not replace an examination of your individual pet. When in doubt, always call the clinic.
Reviewed by the Royal Veterinary Center veterinary team.