Kittens Born with Feline Leukemia: What You Need to Know

icon March 6, 2025
by:puaintapets

Feline leukemia virus (FeLV) is a serious and potentially life-threatening disease that affects cats worldwide. When kittens are born with feline leukemia, it raises many questions for cat owners and adopters alike. In this article, we’ll explore essential information about FeLV in kittens, including life expectancy, testing, transmission, and adoption considerations. If you're wondering whether you should adopt a kitten with FeLV or what the chances are of a kitten being infected, keep reading for a comprehensive guide.

What is Feline Leukemia Virus (FeLV)?

Feline leukemia virus (FeLV) is a retrovirus that affects a cat’s immune system, making them more susceptible to infections and certain types of cancer. It spreads primarily through close contact with infected cats, especially via saliva, blood, and bodily fluids. Kittens can also be born with FeLV if their mother is infected during pregnancy or while nursing.

kittens born with feline leukemia​

How Are Kittens Born with Feline Leukemia?

Kittens can contract FeLV from their infected mother in several ways:

  • In Utero Transmission: If the mother cat has FeLV, the virus can pass through the placenta to the developing kittens.
  • During Birth: Exposure to the mother’s bodily fluids at birth can also lead to infection.
  • Through Nursing: FeLV can spread through the mother’s milk, infecting nursing kittens.

Unfortunately, kittens born with FeLV are at higher risk of health complications, including immune system suppression and anemia.

Symptoms of Kittens Born with Feline Leukemia (FeLV)

Kittens born with FeLV may show a variety of symptoms due to their weakened immune system. Some common signs include:

  • Failure to Thrive: Poor growth, weight loss, and delayed development.
  • Lethargy: Low energy levels and increased sleeping.
  • Loss of Appetite: Reduced interest in food, leading to malnutrition.
  • Pale Gums: Indication of anemia, a common FeLV complication.
  • Frequent Infections: Recurrent respiratory infections, diarrhea, or skin issues.
  • Fever: Persistent or intermittent fevers due to infections.
  • Swollen Lymph Nodes: Enlarged lymph nodes as the body fights infections.
  • Poor Coat Condition: Dull, unkempt fur due to malnutrition and illness.
  • Neurological Issues: Rare but can include seizures or mobility problems

    Kittens Born with Feline Leukemia

Some FeLV-positive kittens may appear healthy initially but develop symptoms over time. Regular vet checkups and early detection can help manage their condition effectively.

How Long Do FeLV-Positive Kittens Live?

The life expectancy of a kitten born with FeLV varies. Some kittens succumb to the virus within their first year, while others can live for several years with proper care.

  • Short-Term Survival: Many kittens with FeLV develop severe infections and pass away before their first birthday.
  • Long-Term Survival: With regular veterinary care, some FeLV-positive kittens can live up to 2-4 years or, in rare cases, longer.
  • Quality of Life: A stress-free environment, a nutritious diet, and regular vet checkups can help extend an FeLV-positive kitten’s lifespan.

What Are the Odds of My Kitten Having FeLV?

The risk of a kitten contracting FeLV depends on several factors:

  • Mother’s Status: If the mother is FeLV-positive, there is a high chance that her kittens will also be infected.
  • Exposure to Other Cats: Kittens in multi-cat households or shelters have a higher risk of exposure if other FeLV-positive cats are present.
  • Vaccination Status: FeLV vaccines help prevent transmission but do not eliminate the risk for kittens born to infected mothers.
  • Testing Accuracy: Some kittens may test positive initially and later test negative due to transient infections.

Should I Adopt a Kitten with FeLV?

Adopting a kitten with FeLV requires special considerations:

  • Single-Cat Household: If you don’t have other cats, adopting an FeLV-positive kitten can be a great way to give them a loving home.
  • Separate Space: If you have FeLV-negative cats, it’s best to keep them separate to prevent transmission.
  • Veterinary Care: Regular vet visits are essential to monitor the kitten’s health and manage symptoms.
  • Quality of Life: With proper care, FeLV-positive kittens can live happy lives, even if shorter than average.

At What Age Should a Kitten Be Tested for FIV and FeLV?

Kittens should be tested for FeLV and feline immunodeficiency virus (FIV) at 8 weeks of age or older. However, if a kitten tests positive at a young age, retesting after a few weeks is recommended to confirm the diagnosis. Some kittens may clear the infection naturally, while others may remain persistently infected.

Kittens Born with Feline Leukemia

Can Kittens Recover from Feline Leukemia?

While some kittens may test positive early and later clear the infection, persistent FeLV infections are incurable. However, supportive care, proper nutrition, and medical attention can improve their quality of life.

What is the Difference Between Feline Leukemia and FIV?

Though FeLV and FIV are both retroviruses affecting cats, they have key differences:

  • FeLV (Feline Leukemia Virus): Primarily affects the immune system and blood cells, leading to anemia and cancer.
  • FIV (Feline Immunodeficiency Virus): Weakened immune system but slower progression compared to FeLV.
  • Transmission: FeLV spreads through close contact, while FIV is usually transmitted through deep bite wounds.
  • Life Expectancy: FIV-positive cats can often live normal lifespans, whereas FeLV significantly shortens life expectancy.

How to Care for a Kitten with FeLV

If you have a kitten with FeLV, here are some tips to ensure they live a comfortable life:

  1. Regular Vet Checkups: Monitor their health and treat infections promptly.
  2. Nutritional Diet: High-quality food to support their immune system.
  3. Indoor-Only Lifestyle: Prevents exposure to illnesses and protects other cats.
  4. Minimize Stress: Provide a calm, stable environment.
  5. Vaccinate Other Cats: If you have FeLV-negative cats, ensure they are vaccinated.

FAQ

1. Can FeLV-positive kittens live with other cats?

No, FeLV-positive kittens should not live with FeLV-negative cats to prevent transmission.

2. How is FeLV diagnosed in kittens?

FeLV is diagnosed through blood tests such as the ELISA and IFA tests.

3. Can an FeLV-positive kitten become FeLV-negative?

Some kittens test positive initially but later test negative if they clear the infection naturally.

4. Should FeLV-positive kittens be vaccinated?

Yes, they should receive core vaccines but may not require FeLV vaccines if already infected.

5. How can I prevent FeLV in kittens?

Adopt from FeLV-negative mothers, test early, and vaccinate at-risk cats.

Conclusion

Kittens born with feline leukemia face challenges, but with proper care, they can still have fulfilling lives. If you're considering adopting an FeLV-positive kitten, ensure you understand their needs and the risks involved. By providing a loving home and medical attention, you can give these kittens the best possible quality of life.

Leave A Comment
All comments are moderated before being published.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Join The Puainta

Become one of pet parents and get professional tips, immediate product info, updated promotions and discounts, and more surprises from us!

puainta