CHW Ag

目录编号：

VD003Q

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About Dirofilaria immitis

Dirofilaria immitis, commonly known as the heartworm, is a parasitic nematode (roundworm) that causes heartworm disease in dogs, cats, and other mammals. Transmitted through mosquito bites, this parasite primarily infects the cardiovascular system, leading to severe and potentially fatal complications if left untreated. Below is a detailed introduction to Dirofilaria immitis, covering its biology, transmission, clinical impact, diagnosis, treatment, and prevention.

Clinical Signs

In Dogs (Most Susceptible):

Early Stage: Often asymptomatic, but microfilariae may be detected in blood.
Moderate Stage: Coughing, fatigue during exercise, mild weight loss, and decreased appetite.
Severe Stage:
- Labored breathing (due to blocked pulmonary arteries or heart failure);
- Fluid accumulation in the abdomen or chest;
- Coughing up blood;
- Liver or kidney damage;
- Sudden collapse or death in advanced cases.

In Cats (Less Common but More Severe):

Cats are less likely to develop adult worms, but even a few worms can cause severe reactions:

Acute respiratory distress (e.g., coughing, wheezing);
Vomiting, lethargy, or loss of appetite;
"Heartworm-associated respiratory disease (HARD)": Inflammation in the lungs due to larval migration, which can be fatal.

Canivet Heartworm Antigen Test

The Canivet Heartworm Ag Test is a lateral flow immunochromatographic assay designed for detection of Dirofilaria immitis antigen (CHW Ag) in canine serum, plasma, or whole blood.

Product Name	Canivet Heartworm Antigen Test
NO.	VD003Q
Target	Dirofilaria immitis antigen
Specimen	Serum, plasma or whole blood
Pack Size	10 tests / kit
Shelf Life	24 months
Storage Condition	Store at 2-30°C. Do not freeze.